NRUC / National Rural Utilities Cooperative Finance Corporation - Corporate Bond/Note - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

National Rural Utilities Cooperative Finance Corporation - Corporate Bond/Note
US ˙ NYSE ˙ US6374321056

Mga Batayang Estadistika
LEI 4NYF266XZC35SCTGX023
CIK 70502
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to National Rural Utilities Cooperative Finance Corporation - Corporate Bond/Note
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
September 3, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

September 3, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 644 - Dated Tuesday, September 2, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Pr

September 3, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 3.

September 3, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 30 - Dated Tuesday, September 2, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Pro

August 27, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

August 27, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 3.

August 27, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 29 - Dated Monday, August 25, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produc

August 27, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 643 - Dated Monday, August 25, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 25, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

August 25, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 644 - Dated Monday, August 25, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 3.

August 20, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 19, 2025 Pricing Supplement No. 10321 Pricing Supplement Date August 19, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of

August 20, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 19, 2025 Pricing Supplement No. 10320 Pricing Supplement Date August 19, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,200,000.00 Issue Price 100%

August 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

August 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

August 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,200,000.

August 20, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 642 - Dated Monday, August 18, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 20, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 28 - Dated Monday, August 18, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produc

August 19, 2025 FWP

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date of Issue Fixed Rate Notes Issuer: National Rural Utilities Cooperative Finance Corporation Expected Ratings*: A2 / A

Filed Pursuant to Rule 433 under the Securities Act Registration Statement No. 333-275151 Issuer Free Writing Prospectus dated August 19, 2025 CUSIP #: 63743HFZ0 ISIN#: US63743HFZ01 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date of Issue Fixed Rate Notes Issuer: National Rural Utilities Cooperative Finance Corpo

August 19, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $700,000,000.

August 19, 2025 424B3

TRADE DATE: August 19, 2025 SETTLEMENT DATE: August 25, 2025 PRICING SUPPLEMENT NO. D1027 DATED August 19, 2025 TO PROSPECTUS SUPPLEMENT DATED October 27, 2023 AND BASE PROSPECTUS DATED October 24, 2023 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CO

Rule 424 (b) (3) Registration No. 333-275151 CUSIP #: 63743HFZ0 TRADE DATE: August 19, 2025 SETTLEMENT DATE: August 25, 2025 PRICING SUPPLEMENT NO. D1027 DATED August 19, 2025 TO PROSPECTUS SUPPLEMENT DATED October 27, 2023 AND BASE PROSPECTUS DATED October 24, 2023 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date

August 18, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

August 18, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 643 - Dated Monday, August 18, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 15, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $5,000,000.

August 15, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 13, 2025 Pricing Supplement No. 10319 Pricing Supplement Date August 13, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $5,000,000.00 Issue Price 100%

August 15, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 13, 2025 Pricing Supplement No. 10318 Pricing Supplement Date August 13, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $220,000.00 Issue Price 100% of

August 15, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $220,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10306 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10302 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100%

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10316 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $400,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10311 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100%

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10307 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $500,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $500,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $797,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10303 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $5,000,000.00 Issue Price 100%

August 14, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 27 - Dated Monday, August 11, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produc

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $5,000,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10314 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,750,000.00 Issue Price 100%

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10309 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10310 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10301 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $797,000.00 Issue Price 100% of

August 14, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 641 - Dated Monday, August 11, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10305 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $300,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $8,000,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10308 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10313 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100%

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,750,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 3.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $550,000.

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $400,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10315 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $8,000,000.00 Issue Price 100%

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10304 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100%

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10317 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $550,000.00 Issue Price 100% of

August 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $300,000.

August 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date August 12, 2025 Pricing Supplement No. 10312 Pricing Supplement Date August 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of

August 11, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

August 11, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 642 - Dated Monday, August 11, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produ

August 6, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

August 6, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 640 - Dated Monday, August 4, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produc

August 6, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 26 - Dated Monday, August 4, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

August 6, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

August 5, 2025 EX-3.2

Amended Bylaws as approved by CFC’s members on

Exhibit 3.2 1 BYLAWS NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION (As amended March 25, 1970; February 29, 1972; February 27, 1973; February 1, 1983; February 3, 1987; February 9, 1988; February 11, 1992; February 28, 1995; March 21, 2000; February 17, 2004; March 1, 2005; March 7, 2011; August 14, 2020 and June 30, 2025) ARTICLE I — Purposes and Powers Section l. Purposes. The purpose

August 5, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended May 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended May 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 1-7102 NATIONAL RURAL UTILITIES COOPERAT

August 4, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 641 - Dated Monday, August 4, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Produc

August 4, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

August 1, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 31, 2025 Pricing Supplement No. 10300 Pricing Supplement Date July 31, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $25,000,000.00 Issue Price 100% of

August 1, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $25,000,000.

July 31, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 30, 2025 Pricing Supplement No. 10299 Pricing Supplement Date July 30, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $200,000.00 Issue Price 100% of Pri

July 31, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $200,000.

July 30, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 25 - Dated Monday, July 28, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 30, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 29, 2025 Pricing Supplement No. 10297 Pricing Supplement Date July 29, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Pri

July 30, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

July 30, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 639 - Dated Monday, July 28, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 30, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

July 30, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

July 30, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $200,000.

July 30, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 29, 2025 Pricing Supplement No. 10298 Pricing Supplement Date July 29, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $200,000.00 Issue Price 100% of Pri

July 28, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 640 - Dated Monday, July 28, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 28, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

July 23, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

July 23, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 24 - Dated Monday, July 21, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 23, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 638 - Dated Monday, July 21, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 23, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

July 21, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

July 21, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 639 - Dated Monday, July 21, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 17, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 16, 2025 Pricing Supplement No. 10296 Pricing Supplement Date July 16, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

July 17, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

July 16, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

July 16, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 637 - Dated Monday, July 14, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 16, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

July 16, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 23 - Dated Monday, July 14, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10285 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10292 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10281 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $600,000.00 Issue Price 100% of Pri

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10286 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10287 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10282 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,750,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10280 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10294 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10289 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

July 14, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 638 - Dated Monday, July 14, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $144,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10288 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10290 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10291 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $144,000.00 Issue Price 100% of Pri

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10295 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,750,000.00 Issue Price 100% of P

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10284 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $750,000.00 Issue Price 100% of Pri

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $300,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $750,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10279 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $600,000.

July 14, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10293 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

July 14, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 10, 2025 Pricing Supplement No. 10283 Pricing Supplement Date July 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Pri

July 10, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date July 8, 2025 Pricing Supplement No. 10278 Pricing Supplement Date July 8, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $8,000,000.00 Issue Price 100% of Pri

July 10, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $8,000,000.

July 7, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 637 - Dated Monday, July 7, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

July 7, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

July 2, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2025 NATIONAL RURAL UTIL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2025 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION (Exact name of registrant as specified in its charter) District of Columbia 1-7102 52-0891669 (state or other ju

July 1, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

July 1, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 22 - Dated Monday, June 30, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 30, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

June 30, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 636 - Dated Monday, June 30, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 26, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 25, 2025 Pricing Supplement No. 10277 Pricing Supplement Date June 25, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $4,000,000.00 Issue Price 100% of P

June 26, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $4,000,000.

June 24, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 635 - Dated Monday, June 23, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 24, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 21 - Dated Monday, June 23, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 24, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

June 24, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

June 23, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

June 23, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 636 - Dated Monday, June 23, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 18, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $500,000.

June 18, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 17, 2025 Pricing Supplement No. 10276 Pricing Supplement Date June 17, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $500,000.00 Issue Price 100% of Pri

June 17, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

June 17, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 634 - Dated Monday, June 16, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 17, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

June 17, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 16, 2025 Pricing Supplement No. 10275 Pricing Supplement Date June 16, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,500,000.00 Issue Price 100% of P

June 17, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 20 - Dated Monday, June 16, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 17, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,500,000.

June 16, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

June 16, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 635 - Dated Monday, June 16, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10274 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,750,000.00 Issue Price 100% of P

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10270 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,010,000.00 Issue Price 100% of P

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10273 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $265,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $500,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10256 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $360,000.00 Issue Price 100% of Pri

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10266 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $140,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10263 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $360,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10267 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $613,000.00 Issue Price 100% of Pri

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10268 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,750,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10260 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $5,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,010,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10271 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $5,000,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

424B3 1 ps10259.htm PS10259 Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10259 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,800,

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10258 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $500,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $1,800,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10262 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10272 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10255 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of P

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $250,000.

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $200,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10261 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $500,000.00 Issue Price 100% of Pri

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10264 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $140,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $500,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10265 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $200,000.00 Issue Price 100% of Pri

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10269 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $250,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $613,000.

June 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 11, 2025 Pricing Supplement No. 10257 Pricing Supplement Date June 11, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $265,000.00 Issue Price 100% of Pri

June 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,000,000.

June 12, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $2,525,000.

June 12, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 10, 2025 Pricing Supplement No. 10254 Pricing Supplement Date June 10, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $2,525,000.00 Issue Price 100% of P

June 10, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 19 - Dated Monday, June 9, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product R

June 10, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

June 9, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

June 9, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 634 - Dated Monday, June 9, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

June 5, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b) (3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date June 3, 2025 Pricing Supplement No. 10253 Pricing Supplement Date June 3, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $712,000.00 Issue Price 100% of Princ

June 5, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $712,000.

June 2, 2025 424B3

Net Proceeds

The information in this preliminary pricing supplement is not complete and may be changed.

June 2, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 633 - Dated Monday, June 2, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

May 28, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 5.

May 28, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 18 - Dated Tuesday, May 27, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated November 1, 2024) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

May 28, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

May 28, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt Medium-Term Notes, Series D 457(r) $525,000,000 100.

May 28, 2025 424B3

TRADE DATE: May 28, 2025 SETTLEMENT DATE: June 4, 2025 PRICING SUPPLEMENT NO. D1026 DATED May 28, 2025 TO PROSPECTUS SUPPLEMENT DATED October 27, 2023 AND BASE PROSPECTUS DATED October 24, 2023 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION

Rule 424 (b) (3) Registration No. 333-275151 CUSIP #: 63743HFY3 TRADE DATE: May 28, 2025 SETTLEMENT DATE: June 4, 2025 PRICING SUPPLEMENT NO. D1026 DATED May 28, 2025 TO PROSPECTUS SUPPLEMENT DATED October 27, 2023 AND BASE PROSPECTUS DATED October 24, 2023 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date of Issue

May 28, 2025 424B3

Net Proceeds

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 632 - Dated Tuesday, May 27, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

May 28, 2025 FWP

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date of Issue Floating Rate Notes Issuer: National Rural Utilities Cooperative Finance Corporation Expected Ratings*: A2

Filed Pursuant to Rule 433 under the Securities Act Registration Statement No. 333-275151 Issuer Free Writing Prospectus dated May 28, 2025 CUSIP #: 63743HFY3 ISIN#: US63743HFY36 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D With Maturities of Nine Months or More from Date of Issue Floating Rate Notes Issuer: National Rural Utilities Cooperative Finance Corpo

May 20, 2025 424B3

CUSIP Number

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 631 - Dated Monday, May 19, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023) CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product

May 20, 2025 424B3

CUSIP Number

The information in this preliminary pricing supplement is not complete and may be changed.

May 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 4.

May 20, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 19, 2025 Pricing Supplement No. 10252 Pricing Supplement Date May 19, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $5,000,000.00 Issue Price 100% of Prin

May 20, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $5,000,000.

May 19, 2025 424B3

CUSIP Number

Filed under Rule 424(b)(3), Registration Statement No. 333-275151 Pricing Supplement No. 632 - Dated Monday, May 19, 2025 (To: Prospectus Dated October 24, 2023 and Prospectus Supplement Dated October 27, 2023 CUSIP Number Principal Amount Selling Price Gross Concession Net Proceeds Coupon Type Coupon Rate Coupon Frequency Maturity Date 1st Coupon Date 1st Coupon Amount Survivor's Option Product R

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10237 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $168,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $168,000.

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $300,000.

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $625,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10248 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $518,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $518,000.

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $1,000,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10236 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,000,000.00 Issue Price 100% of Prin

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10242 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10241 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $625,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $339,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10240 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $500,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $100,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10245 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of Princi

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10250 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $100,000.00 Issue Price 100% of Princi

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10251 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $1,750,000.00 Issue Price 100% of Prin

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $130,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10232 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $300,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $500,000.

May 13, 2025 424B3

NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue

Rule 424 (b)(3) Registration No.: 333-275151 NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION Medium-Term Notes, Series D Due Nine Months or More from Date of Issue Trade Date May 12, 2025 Pricing Supplement No. 10246 Pricing Supplement Date May 12, 2025 Prospectus Supplement Date October 27, 2023 Base Prospectus Date October 24, 2023 Principal Amount $130,000.00 Issue Price 100% of Princi

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $1,750,000.

May 13, 2025 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Car

Calculation of Filing Fee Table 424(b)(3) (Form Type) National Rural Utilities Cooperative Finance Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be Paid Debt Medium-Term Notes, Series D 457(r) $21,359,000.

Fintel data has been cited in the following publications:
Daily Mail Fox Business Business Insider Wall Street Journal The Washington Post Bloomberg Financial Times Globe and Mail
NASDAQ.com Reuters The Guardian Associated Press FactCheck.org Snopes Politifact
Federal Register The Intercept Forbes Fortune Magazine TheStreet Time Magazine Canadian Broadcasting Corporation International Business Times
Cambridge University Press Investopedia MarketWatch NY Daily News Entrepreneur Newsweek Barron's El Economista