PTEN / Patterson-UTI Energy, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Patterson-UTI Energy, Inc.
US ˙ NasdaqGS ˙ US7034811015

Mga Batayang Estadistika
LEI 254900XGFBKIXD6G0697
CIK 889900
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 Patterson-UTI Energy, Inc.
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 2, 2025 EX-99.1

Investor Presentation September 2025 2Investor Presentation Patterson-UTI This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securi

september2025ptenxinves Investor Presentation September 2025 2Investor Presentation Patterson-UTI This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

September 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): September 2, 2025 Patterson-UTI E

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): September 2, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commiss

August 7, 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): August 4, 2025 Patterson-UTI Ener

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): August 4, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

July 29, 2025 EX-10.3

Form of Executive Officer Cash-Settled Performance Unit Award Agreement.+

EXHIBIT 10.3 PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN CASH-SETTLED PERFORMANCE UNIT AWARD AGREEMENT [ ], 202[ ] 1.PERFORMANCE UNIT AWARD. Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), pursuant to the Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended from time to time (the “Plan”), hereby awards to [] (the “Grantee”), effective as of the Date

July 29, 2025 EX-10.4

Form of Executive Officer Performance Unit Award Agreement (Free Cash Flow Return).+

EXHIBIT 10.4 PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN PERFORMANCE UNIT AWARD AGREEMENT (Free Cash Flow Return) [ ], 202[ ] 1.PERFORMANCE UNIT AWARD. Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), pursuant to the Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended from time to time (the “Plan”), hereby awards to [] (the “Grantee”), effective as

July 29, 2025 EX-10.1

Form of Executive Officer Restricted Stock Unit Award Agreement.+

EXHIBIT 10.1 EXECUTIVE OFFICER RESTRICTED STOCK UNIT AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (the “Agreement”) is between Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), and [] (the “Recipient”) effective as of [ ], 202[ ] (the “Grant Date”), pursuant to the Patterson-UTI Energy, Inc. 2021 Long-Term Inc

July 29, 2025 EX-10.2

Form of Executive Officer Cash-Settled Restricted Stock Unit Award Agreement.+

EXHIBIT 10.2 EXECUTIVE OFFICER CASH-SETTLED RESTRICTED STOCK UNIT AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN THIS CASH-SETTLED RESTRICTED STOCK UNIT AWARD AGREEMENT (the “Agreement”) is between Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), and [] (the “Recipient”) effective as of [ ], 202[ ] (the “Grant Date”), pursuant to the Patterson-UTI Energ

July 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or o 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 1-39270 Patterson-UTI Energy, In

July 24, 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): July 23, 2025 Patterson-UTI Energ

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): July 23, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

July 24, 2025 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Balance Sheets (unaudited, in thousands) June 30, 2025 December 31, 2024 ASSETS Current assets: Cash, cash equivalents and restricted cash $ 185,891 $ 241,293 Accounts receivable, net 770,901 763,806

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2025 HOUSTON, Texas – July 23, 2025 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended June 30, 2025. Second Quarter 2025 Financial Results and Other Key Items •Total revenue of $1.2 bil

June 5, 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 5, 2025 Patterson-UTI Energy

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 5, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

June 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 2, 2025 Patterson-UTI Energy

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 2, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

June 2, 2025 EX-99.1

Investor Presentation June 2025 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made

pteninvestorxpresentati Investor Presentation June 2025 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

May 20, 2025 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

Exhibit 1.01 Patterson-UTI Energy, Inc. Conflict Minerals Report For the Year Ended December 31, 2024 This Conflict Minerals Report (the “Report”) for the reporting period ended December 31, 2024 is presented by Patterson-UTI Energy, Inc. and its consolidated subsidiaries (“we”, “us” or the “Company”) to comply with Rule 13p-1 and Form SD promulgated under the Securities Exchange Act of 1934, as a

May 20, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter) Delaware 1-39270 75-2504748 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 10713 W. Sam Houston Pkwy N, Suite 800, Houston, Texas

April 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or o 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 1-39270 Patterson-UTI Energy, I

April 24, 2025 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Balance Sheets (unaudited, in thousands) March 31, 2025 December 31, 2024 ASSETS Current assets: Cash, cash equivalents and restricted cash $ 225,204 $ 241,293 Accounts receivable, net 800,291 763,806

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended March 31, 2025 HOUSTON, Texas – April 23, 2025 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended March 31, 2025. First Quarter 2025 Financial Results •Total revenue of $1.3 billion •Net income a

April 24, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): April 23, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

April 10, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 10, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 3, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): April 3, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

February 11, 2025 EX-10.34

Amendment No. 1 to Reimbursement Agreement, dated as of October 16, 2024, by and between Patterson-UTI Energy, Inc. and The Bank of Nova Scotia.+

Exhibit 10.34 AMENDMENT NO. 1 TO REIMBURSEMENT AGREEMENT AMENDMENT NO. 1, dated as of October 16, 2024 (this “Amendment”), to the Reimbursement Agreement, dated as of March 16, 2015 (as amended, restated, supplemented, or otherwise modified, the “Reimbursement Agreement”), between Patterson-UTI Energy, Inc. (the “Applicant”) and The Bank of Nova Scotia (the “Bank”). Capitalized terms used and not

February 11, 2025 EX-10.8

Form of Non-Employee Director Restricted Stock Unit Award Agreement.

Exhibit 10.8 NON-EMPLOYEE DIRECTOR RESTRICTED STOCK UNIT AWARD AGREEMENT PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (the “Agreement”) is between Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), and (the “Recipient”) effective as of the day of , 20 (the “Grant Date”), pursuant to the Patterson-UTI Energy, Inc. 2021 Long-Ter

February 11, 2025 EX-21.1

Subsidiaries of the Registrant.+

Exhibit 21.1 Subsidiaries of the Registrant Entity State/Country Ambar Lone Star Fluid Services LLC Texas Black Gold Oilfield Services Ecuador BEP Ulterra Holdings, Inc. Delaware BEP Ulterra Intermediate Holdings, Inc. Delaware Current Power Solutions, Inc. Texas Drilling Technologies 1 LLC Delaware Drilling Technologies 2 LLC Delaware ESP Completion Technologies, LLC Texas ESP Completion Technolo

February 11, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or o 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 1-39270

February 11, 2025 EX-19.2

Insider Trading Compliance Memorandum.+

Exhibit 19.2 INSIDER TRADING COMPLIANCE MEMORANDUM MEMORANDUM FOR: All directors and executive officers of Patterson-UTI Energy, Inc. and other designated officers and employees of Patterson-UTI Energy, Inc. and its subsidiaries FROM: Patterson-UTI Energy, Inc. Legal Department Federal insider trading laws and regulations generally prohibit any director, officer or employee of Patterson-UTI Energy

February 11, 2025 EX-19.1

Insider Trading Compliance Policy.+

Exhibit 19.1 INSIDER TRADING COMPLIANCE POLICY 1Introduction In the course of business, you may learn confidential information concerning Patterson-UTI Energy, Inc. (together with its subsidiaries, the “Company”) or other publicly traded companies with which the Company does business. Federal and state laws prohibit buying, selling or making other transfers of securities by persons who are aware o

February 6, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): February 5, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

February 6, 2025 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Balance Sheets (unaudited, in thousands) December 31, 2024 December 31, 2023 ASSETS Current assets: Cash, cash equivalents and restricted cash $ 241,293 $ 192,680 Accounts receivable, net 763,806 971,

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended December 31, 2024 HOUSTON, Texas – February 5, 2025 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended December 31, 2024. Fourth Quarter 2024 Financial Results •Total revenue of $1.2 billion •Net

February 3, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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): January 31, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

February 3, 2025 EX-10.1

Second Amended and Restated Credit Agreement, dated January 31, 2025, by and among Patterson-UTI Energy, Inc., Wells Fargo Bank, National Association, as administrative agent, letter of credit issuer, swing line lender and a lender and each of the other letter of credit issuers and lenders party thereto with the lenders party thereto (filed February 3, 2025 as Exhibit 10.1 to our Current Report on Form 8-K and incorporated herein by reference).

Exhibit 10.1 Execution Version SECOND AMENDED AND RESTATED CREDIT AGREEMENT Dated as of January 31, 2025 Among PATTERSON-UTI ENERGY, INC., as the Borrower, WELLS FARGO BANK, NATIONAL ASSOCIATION as the Administrative Agent, an L/C Issuer, Swing Line Lender and a Lender, and The Other Lenders and L/C Issuers Party Hereto THE BANK OF NOVA SCOTIA as Syndication Agent, and WELLS FARGO SECURITIES, LLC

January 7, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): January 6, 2025 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissio

January 7, 2025 EX-99.1

Investor Presentation January 2025 2 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements

Investor Presentation January 2025 2 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

October 28, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or o 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 1-39270 Patterson-UTI Energ

October 24, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): October 23, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

October 24, 2024 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Balance Sheets (unaudited, in thousands) September 30, 2024 December 31, 2023 ASSETS Current assets: Cash, cash equivalents and restricted cash $ 115,482 $ 192,680 Accounts receivable, net 863,779 971

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended September 30, 2024 HOUSTON, Texas – October 23, 2024 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended September 30, 2024. Third Quarter 2024 Financial Results •Total revenue of $1.4 billion •Ne

September 30, 2024 8-K

Financial Statements and Exhibits, Other Events

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): September 30, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commis

September 30, 2024 EX-99.1

Patterson-UTI and ADNOC Drilling Sign Agreements to Formalize the Previously Announced Joint Venture in the UAE

Patterson-UTI and ADNOC Drilling Sign Agreements to Formalize the Previously Announced Joint Venture in the UAE HOUSTON – September 30, 2024 – PATTERSON-UTI ENERGY, INC.

September 3, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): August 27, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissio

September 3, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): September 3, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commiss

September 3, 2024 EX-99.1

Investor Presentation September 2024 2 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statemen

Investor Presentation September 2024 2 This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

September 3, 2024 EX-10.1

Letter Agreement, dated August 27, 2024, by and between Patterson-UTI Energy, Inc. and James M. Holcomb.

Exhibit 10.1 EXECUTION VERSION August 27, 2024 James “Mike” Holcomb Patterson-UTI Energy, Inc. 10713 W. Sam Houston Parkway North, Suite 800 Houston, Texas 77064 Dear Mike, This letter agreement (this “Agreement”) outlines the terms and conditions of the anticipated transition of your roles with Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), including certain compensation oppo

July 29, 2024 EX-10.3

Patterson-UTI Energy, Inc. Qualified Retiree Program

Exhibit 10.3 Patterson-UTI Energy, Inc. Qualified Retiree Program I.Objective: The Patterson-UTI Energy, Inc. Qualified Retiree Program (this “Program”) has been established by the Compensation Committee (the “Committee”) of the Board of Directors of Patterson-UTI, Energy Inc. (the “Company”) to facilitate a smooth process for retiring employees of the Company and its direct and indirect subsidiar

July 29, 2024 EX-10.2

Form of Executive Officer Share-Settled Performance Share Award Agreement (filed July 29, 2024 as Exhibit 10.2 to our Quarterly Report on Form 10-Q and incorporated herein by reference).*

Exhibit 10.2 PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN SHARE-SETTLED PERFORMANCE SHARE AWARD AGREEMENT [ ] 1.PERFORMANCE SHARE AWARD. Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), pursuant to the Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended from time to time (the “Plan”), hereby awards to [ ] (the “Grantee”), effective as of the Date of

July 29, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or o 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 1-39270 Patterson-UTI Energy, In

July 25, 2024 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Balance Sheets (unaudited, in thousands) June 30, 2024 December 31, 2023 ASSETS Current assets: Cash, cash equivalents and restricted cash $ 75,036 $ 192,680 Accounts receivable, net 866,931 971,091 I

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2024 HOUSTON, Texas – July 24, 2024 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended June 30, 2024. Second Quarter 2024 Financial Results •Total revenue of $1.3 billion •Net income att

July 25, 2024 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): July 24, 2024 Patterson-UTI Energ

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): July 24, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

June 6, 2024 EX-3.1

Certificate of Amendment to the Restated Certificate of Incorporation of Patterson-UTI Energy, Inc., dated June 6, 2024.

Exhibit 3.1 CERTIFICATE OF AMENDMENT to the RESTATED CERTIFICATE OF INCORPORATION OF PATTERSON-UTI ENERGY, INC. Patterson-UTI Energy, Inc., a Delaware corporation (the “Corporation”), does hereby certify: FIRST: The name of the Corporation is PATTERSON-UTI ENERGY, INC. SECOND: The following amendment to the Restated Certificate of Incorporation was duly adopted by a vote of the stockholders suffic

June 6, 2024 S-8

As filed with the Securities and Exchange Commission on June 6, 2024

As filed with the Securities and Exchange Commission on June 6, 2024 Registration No.

June 6, 2024 EX-99.1

Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended (filed June 6, 2024 as Exhibit 99.1 to our Registration Statement on Form S-8,

Exhibit 99.1 PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN (as amended through June 6, 2024) Patterson-UTI Energy, Inc. (the “Company”), a Delaware corporation, hereby establishes and adopts the following 2021 Long-Term Incentive Plan (as amended from time to time, the “Plan”) effective as of April 9, 2021 (the “Effective Date”), as amended effective June 8, 2023, September 1, 2023, and

June 6, 2024 EX-4.1

Restated Certificate of Incorporation of Patterson-UTI Energy, Inc., dated as of June 6, 2024 (filed June 6, 2024 as Exhibit 4.1 to our Registration Statement on Form S-8 and incorporated herein by reference).

Exhibit 4.1 RESTATED CERTIFICATE OF INCORPORATION OF PATTERSON-UTI ENERGY, INC. (Originally incorporated on October 14, 1993 under the name Patterson Energy, Inc.) FIRST: The name of the Corporation is Patterson-UTI Energy, Inc. SECOND: The address of the Corporation’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of N

June 6, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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 6, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

June 6, 2024 EX-FILING FEES

Filing Fee Table.

Exhibit 107.1 Calculation of Filing Fee Tables FORM S-8 (Form Type) PATTERSON-UTI ENERGY, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title (1) Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par

May 30, 2024 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

Exhibit 1.01 Patterson-UTI Energy, Inc. Conflict Minerals Report For the Year Ended December 31, 2023 This Conflict Minerals Report (the “Report”) for the reporting period ended December 31, 2023 is presented by Patterson-UTI Energy, Inc. and its consolidated subsidiaries (“we”, “us” or the “Company”) to comply with Rule 13p-1 and Form SD promulgated under the Securities Exchange Act of 1934, as a

May 30, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter) Delaware 1-39270 75-2504748 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 10713 W. Sam Houston Pkwy N, Suite 800, Houston, Texas

May 13, 2024 EX-99.1

Patterson-UTI Signs Term Sheet to Partner with ADNOC Drilling in the UAE

Exhibit 99.1 Patterson-UTI Signs Term Sheet to Partner with ADNOC Drilling in the UAE HOUSTON – May 13, 2024 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) (“Patterson-UTI” or “the Company”) today announced that its subsidiary, Patterson-UTI International Holdings, Inc., has signed a non-binding term sheet with ADNOC Drilling, the largest national drilling contractor in the Middle East and the sole p

May 13, 2024 8-K

Financial Statements and Exhibits, Other Events

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): May 13, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

May 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or o 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 1-39270 Patte

May 6, 2024 EX-10.1

Commitment Increase Agreement, dated April 5, 2024, by and among Patterson-UTI Energy, Inc., Citibank, N.A., HSBC Bank USA, National Association, Wells Fargo Bank, N.A., as administrative agent, letter of credit issuer and swing line lender and the other letter of credit issuers party thereto.

Execution Version COMMITMENT INCREASE AGREEMENT This COMMITMENT INCREASE AGREEMENT (“Agreement”) dated as of April 5, 2024 (“Effective Date”), is by and among Patterson-UTI Energy, Inc.

May 2, 2024 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Statements of Operations (unaudited, in thousands, except per share data)

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended March 31, 2024 HOUSTON, Texas – May 1, 2024 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended March 31, 2024. First Quarter 2024 Financial Results and Other Key Items •Total revenue of $1.5 bill

May 2, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): May 1, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission Fi

April 11, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 11, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 1, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

February 27, 2024 EX-10.23

Notice of Adjustment of NexTier Equity Awards in Connection with Merger, dated as of September 1, 2023.+*

Exhibit 10.23 September 1, 2023 Re: Notice of Adjustment of NexTier Equity Awards in Connection with Merger Dear Equity Award Holder: In connection with the closing of the merger (the “Merger”) of NexTier Oilfield Solutions Inc. (“NexTier”) with and into certain wholly-owned subsidiaries of Patterson-UTI Energy, Inc. (“Patterson-UTI”) on September 1, 2023 (the “Closing Date”), and in accordance wi

February 27, 2024 EX-97

Patterson-UTI Energy, Inc. Clawback Policy.+

Exhibit 97 Patterson-UTI Energy, Inc. CLAWBACK POLICY Recoupment of Incentive-Based Compensation It is the policy of Patterson-UTI Energy, Inc. (the “Company”) that, in the event the Company is required to prepare an accounting restatement of the Company’s financial statements due to the Company’s material non-compliance with any financial reporting requirement under the federal securities laws (i

February 27, 2024 EX-4.1

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

Exhibit 4.1 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 As of February 21, 2024, Patterson-UTI Energy, Inc., a Delaware corporation (“Patterson-UTI”), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: common stock, par value $0.01 per share (“common stock” or “shares”). The following su

February 27, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 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 1-39270 Patterson-UTI Ene

February 27, 2024 EX-21.1

Subsidiaries of the Registrant.+

Exhibit 21.1 Subsidiaries of the Registrant Entity State/Country Ambar Lone Star Fluid Services LLC Texas Black Gold Oilfield Services Ecuador BEP Ulterra Holdings, Inc. Delaware BEP Ulterra Intermediate Holdings, Inc. Delaware Current Power Solutions, Inc. Texas Drilling Technologies 1 LLC Delaware Drilling Technologies 2 LLC Delaware ESP Completion Technologies, LLC Texas ESP Completion Technolo

February 23, 2024 S-8 POS

As filed with the Securities and Exchange Commission on February 23, 2024

As filed with the Securities and Exchange Commission on February 23, 2024 Registration Nos.

February 23, 2024 S-8 POS

As filed with the Securities and Exchange Commission on February 23, 2024

As filed with the Securities and Exchange Commission on February 23, 2024 Registration Nos.

February 23, 2024 S-8 POS

As filed with the Securities and Exchange Commission on February 23, 2024

As filed with the Securities and Exchange Commission on February 23, 2024 Registration Nos.

February 15, 2024 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Statements of Operations (unaudited, in thousands, except per share data)

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (281) 885-7589 Patterson-UTI Energy Reports Financial Results for the Quarter Ended December 31, 2023 HOUSTON, Texas – February 14, 2024 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended December 31, 2023. Fourth Quarter 2023 Financial Results and Other Key Items • Total revenu

February 15, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): February 14, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commiss

February 14, 2024 EX-99.B

Page 13 of 13

EX-99.B 3 d748772dex99b.htm EX-99.B EXHIBIT B Powers of Attorney for Macquarie Group Limited incorporated by reference to 13G filings made by Macquarie Group Limited on June 7, 2023. Page 13 of 13

February 14, 2024 SC 13G/A

PTEN / Patterson-UTI Energy, Inc. / MACQUARIE GROUP LTD - SC 13G/A Passive Investment

SC 13G/A 1 d748772dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Patterson-UTI Energy Inc (Name of Issuer) Common Shares (Title of Class of Securities) 703481101 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 14, 2024 EX-99.A

Page 8 of 13

EX-99.A 2 d748772dex99a.htm EX-99.A EXHIBIT A AGREEMENT TO FILE JOINT ACQUISITION STATEMENTS AGREEMENT made this [7th] day of FEBRUARY, 2024 by and between Delaware Funds by Macquarie,® Optimum Fund Trust and Macquarie ETF Trust listed on Annex A hereto, Macquarie Investment Management Business Trust, Macquarie Management Holdings, Inc, and the Macquarie Parties listed on Annex B hereto (collectiv

February 13, 2024 SC 13G/A

PTEN / Patterson-UTI Energy, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01662-pattersonutienergyin.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Patterson-UTI Energy Inc Title of Class of Securities: Common Stock CUSIP Number: 703481101 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box

February 9, 2024 SC 13G/A

PTEN / Patterson-UTI Energy, Inc. / BEP Diamond Topco L.P. - SC 13G/A Passive Investment

SC 13G/A 1 d767089dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Patterson-UTI Energy, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 703481101 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to

January 3, 2024 EX-99.1

January 3, 2024 Investor Presentation

January 3, 2024 Investor Presentation Forward Looking Statements & Disclosures This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

January 3, 2024 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): January 3, 2024 Patterson-UTI Ene

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): January 3, 2024 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commissi

December 6, 2023 EX-99.1

December 6, 2023 Investor Presentation

December 6, 2023 Investor Presentation Forward Looking Statements & Disclosures This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934.

December 6, 2023 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): December 6, 2023 Patterson-UTI En

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): December 6, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commiss

November 9, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 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 1-39270 Patterson-UTI Energ

November 8, 2023 EX-99.1

PATTERSON-UTI ENERGY, INC. Condensed Consolidated Statements of Operations (unaudited, in thousands, except per share data)

Exhibit 99.1 Contact: Michael Sabella Vice President, Investor Relations (346) 242-0519 Patterson-UTI Energy Reports Financial Results for the Quarter Ended September 30, 2023 HOUSTON, Texas – November 7, 2023 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended September 30, 2023. Reported financial results for the quarter ended September 30, 2023 inc

November 8, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): November 7, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

November 8, 2023 EX-99.2

PATTERSON-UTI ENERGY, INC. Non-GAAP Financial Measures Recast Adjusted Gross Margin (unaudited, dollars in thousands)

Exhibit 99.2 PATTERSON-UTI ENERGY, INC. Non-GAAP Financial Measures Recast Adjusted Gross Margin (unaudited, dollars in thousands) Three Months Ended June 30, March 31, December 31, September 30, June 30, March 31, 2023 2023 2022 2022 2022 2022 Drilling Services Revenues $ 489,659 $ 477,727 $ 461,491 $ 418,025 $ 363,034 $ 302,270 Less direct operating costs (281,573 ) (281,261 ) (284,587 ) (279,23

September 13, 2023 424B5

$400,000,000 7.15% Senior Notes due 2033

Table of Contents Pursuant to Rule 424(b)(5) Registration No. 333-274345 PROSPECTUS SUPPLEMENT (To Prospectus Dated September 5, 2023) $400,000,000 7.15% Senior Notes due 2033 Patterson-UTI Energy, Inc. is offering $400,000,000 in aggregate principal amount of its 7.15% Senior Notes due 2033 (the “Notes”). The notes will bear interest at an annual rate of 7.15%. We will pay interest on the Notes s

September 13, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) PATTERSON-UTI ENERGY, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward

Exhibit 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) PATTERSON-UTI ENERGY, INC.

September 13, 2023 EX-4.1

Second Supplemental Indenture, dated September 13, 2023, between Patterson-UTI Energy, Inc. and U.S. Bank Trust Company, National Association, as trustee (filed September 13, 2023 as Exhibit 4.1 to our Current Report on Form 8-K and incorporated herein by reference).

Exhibit 4.1 Execution Version PATTERSON-UTI ENERGY, INC. as Issuer and U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION as Trustee Second Supplemental Indenture Dated as of September 13, 2023 to the Indenture Dated as of November 15, 2019 7.15% Senior Notes due 2033 TABLE OF CONTENTS Page ARTICLE I SUPPLEMENT OF THE ORIGINAL INDENTURE 1 SECTION 1.01 Supplement to Article I of the Original Indenture 1

September 13, 2023 EX-1.1

Underwriting Agreement, dated September 11, 2023, between Patterson-UTI Energy, Inc. and Wells Fargo Securities, LLC, U.S. Bancorp Investments, Inc. and Goldman Sachs & Co. LLC, as representatives of the underwriters listed therein.

Exhibit 1.1 Execution Version PATTERSON-UTI ENERGY, INC. $400,000,000 7.15% Senior Notes due 2033 Underwriting Agreement September 11, 2023 Wells Fargo Securities, LLC U.S. Bancorp Investments, Inc. Goldman Sachs & Co. LLC As representatives (the “Representatives”) of the several Underwriters named in Schedule I hereto, c/o Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, N

September 13, 2023 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

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): September 11, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commi

September 11, 2023 424B2

SUBJECT TO COMPLETION, DATED SEPTEMBER 11, 2023

Table of Contents Pursuant to Rule 424(b)(2) Registration No. 333-274345 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying base prospectus are not an offer to sell nor are we soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. SUBJECT TO COMP

September 11, 2023 FWP

Pricing Term Sheet $400,000,000 7.15% Senior Notes due 2033

Filed Pursuant to Rule 433 Dated September 11, 2023 Registration No. 333-274345 Pricing Term Sheet $400,000,000 7.15% Senior Notes due 2033 The information in this pricing term sheet supplements Patterson-UTI Energy, Inc.’s preliminary prospectus supplement, dated September 11, 2023 (the “Preliminary Prospectus Supplement”), and supersedes the information in the Preliminary Prospectus Supplement t

September 5, 2023 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): September 5, 2023 Patterson-UTI E

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): September 5, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

September 5, 2023 EX-99.4

BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.)

Exhibit 99.4 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies, L.P.) Condensed Consolidated Financial Statements As of and for the Six Months Ended June 30, 2023 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Contents Condensed Consolidated Financial Statements Condensed Consolidated Balance

September 5, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) PATTERSON-UTI ENERGY, INC.

September 5, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Form S-3 (Form Type) PATTERSON-UTI ENERGY, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) PATTERSON-UTI ENERGY, INC.

September 5, 2023 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incor

September 5, 2023 S-3ASR

As filed with the Securities and Exchange Commission on September 5, 2023

Table of Contents As filed with the Securities and Exchange Commission on September 5, 2023 Registration No.

September 5, 2023 EX-99.1

Patterson-UTI Energy, Inc. Barclays CEO Energy-Power Conference September 5-7, 2023

Patterson-UTI Energy, Inc. Barclays CEO Energy-Power Conference September 5-7, 2023 Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide the Company’s or management’s intentions, beliefs, expec

September 5, 2023 EX-25.1

Form T-1 Statement of Eligibility under Trust Indenture Act of 1939 of the trustee under the Senior Indenture.

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

September 5, 2023 424B7

34,900,000 Shares Patterson-UTI Energy, Inc. Common Stock

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-274345 PROSPECTUS SUPPLEMENT 34,900,000 Shares Patterson-UTI Energy, Inc. Common Stock This prospectus supplement relates to the offer and sale of up to an aggregate of 34,900,000 shares of our common stock, $0.01 par value (our “common stock”), by the selling stockholder named herein in one or more offerings. We are not selli

September 5, 2023 EX-99.5

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

Exhibit 99.5 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS On September 1, 2023, Patterson-UTI Energy, Inc., a Delaware corporation (“Patterson-UTI”), and NexTier Oilfield Solutions Inc., a Delaware corporation (“NexTier”), consummated the transactions contemplated by the Agreement and Plan of Merger, dated as of June 14, 2023 (as amended, the “NexTier merger agreement”), among Patte

September 5, 2023 8-K

Financial Statements and Exhibits, Other Events

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): September 5, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

September 1, 2023 EX-3.2

Certificate of Amendment to the Restated Certificate of Incorporation, as amended, of Patterson-UTI Energy, Inc., dated September 1, 2023.

EX-3.2 Exhibit 3.2 CERTIFICATE OF AMENDMENT to the RESTATED CERTIFICATE OF INCORPORATION OF PATTERSON-UTI ENERGY, INC. Patterson-UTI Energy, Inc., a Delaware corporation (the “Corporation”), does hereby certify: FIRST: The name of the Corporation is PATTERSON-UTI ENERGY, INC. SECOND: The following amendment to the Restated Certificate of Incorporation was duly adopted by a vote of the stockholders

September 1, 2023 EX-3.1

Certificate of Elimination, dated September 1, 2023, with Respect to Series A Junior Participating Preferred Stock of Patterson-UTI Energy, Inc.

Exhibit 3.1 PATTERSON-UTI ENERGY, INC. CERTIFICATE OF ELIMINATION OF THE SERIES A JUNIOR PARTICIPATING PREFERRED STOCK Pursuant to Section 151(g) of the General Corporation Law of the State of Delaware Patterson-UTI Energy, Inc., a corporation organized and existing under the General Corporation Law of the State of Delaware (the “Company”), does hereby certify as follows: 1. Pursuant to Section 15

September 1, 2023 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): August 29, 2023 Patterson-UTI Ene

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): August 29, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commissi

September 1, 2023 EX-10.7

Letter Agreement, dated August 30, 2023, by and between Patterson-UTI Energy, Inc. and James M. Holcomb (filed September 1, 2023 as Exhibit 10.7 to our Current Report on Form 8-K and incorporated herein by reference).*

Exhibit 10.7 August 30, 2023 James “Mike” Holcomb Patterson-UTI Energy, Inc. 10713 W. Sam Houston Parkway North, Suite 800 Houston, Texas 77064 Dear Mike, In connection with the anticipated closing of the acquisition of NexTier Oilfield Solutions Inc. by Patterson-UTI Energy, Inc. (the “Company”) on September 1, 2023 (the “Closing Date” and such acquisition the “Business Combination”), this letter

September 1, 2023 EX-10.5

Amendment to Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended (incorporated by reference to Exhibit 10.5 to the Registrant’s Current Report on Form 8-K, filed on September 1, 2023).

EX-10.5 Exhibit 10.5 AMENDMENT TO THE PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN (AS AMENDED EFFECTIVE AS OF JUNE 8, 2023) WHEREAS, Patterson-UTI Energy, Inc. a Delaware corporation (the “Company”) maintains the Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan (as amended from time to time, the “Plan”); WHEREAS, on September 1, 2023, the Company acquired NexTier Oilfield Solu

September 1, 2023 EX-10.4

NexTier Oilfield Solutions Inc. (Former C&J Energy) Management Incentive Plan, as amended September 1, 2023 (filed September 1, 2023 as Exhibit 10.4 to our Current Report on Form 8-K and incorporated herein by reference).*

Exhibit 10.4 NEXTIER OILFIELD SOLUTIONS INC. (FORMER C&J ENERGY) MANAGEMENT INCENTIVE PLAN (As amended and restated September 1, 2023) 1. Purpose. The purpose of the Plan is to assist the Company to attract, retain, incentivize and motivate officers and employees of, consultants to, and non-employee directors providing services to, the Company or its Subsidiaries and to promote the success of the

September 1, 2023 EX-99.1

Patterson-UTI Energy and NexTier Oilfield Solutions Complete Merger

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Patterson-UTI Energy and NexTier Oilfield Solutions Complete Merger HOUSTON – September 1, 2023 – Patterson-UTI Energy, Inc. (NASDAQ: PTEN) (“Patterson-UTI”) today announced the completion of its previously announced all-stock merger with NexTier Oilfield Solutions Inc. (“NexTier”), creating a leading provider of drilling and completions services in the U

September 1, 2023 EX-10.2

Amendment No. 4 to Amended and Restated Credit Agreement, dated August 29, 2023, by and among Patterson-UTI Energy, Inc., Wells Fargo Bank, National Association, as administrative agent, letter of credit issuer, swing line lender and a lender and each of the other letter of credit issuers and lenders party thereto.(filed September 1, 2023 as Exhibit 10.2 to our Current Report on Form 8-K and incorporated herein by reference).

Exhibit 10.2 Execution Version AMENDMENT NO. 4 TO AMENDED AND RESTATED CREDIT AGREEMENT This AMENDMENT NO. 4 TO AMENDED AND RESTATED CREDIT AGREEMENT (this “Agreement”), dated as of August 29, 2023 (“Effective Date”), is by and among Patterson-UTI Energy, Inc., a Delaware corporation (“Borrower”), the Lenders (as defined below) party hereto, the L/C Issuers (as defined below) party hereto, and Wel

September 1, 2023 EX-3.3

Restated Certificate of Incorporation (filed September 1, 2023 as Exhibit 3.3 to our Current Report on Form 8-K and incorporated herein by reference).

EX-3.3 Exhibit 3.3 RESTATED CERTIFICATE OF INCORPORATION OF PATTERSON-UTI ENERGY, INC. (Originally incorporated on October 14, 1993 under the name Patterson Energy, Inc.) FIRST: The name of the Corporation is Patterson-UTI Energy, Inc. SECOND: The address of the Corporation’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, Coun

September 1, 2023 S-8

As filed with the Securities and Exchange Commission on September 1, 2023

As filed with the Securities and Exchange Commission on September 1, 2023 Registration No.

September 1, 2023 EX-10.1

Term Loan Agreement, dated August 29, 2023, by and among Patterson-UTI Energy, Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent and lender and the other lenders party thereto (filed September 1, 2023 as Exhibit 10.1 to our Current Report on Form 8-K and incorporated herein by reference).

Exhibit 10.1 Execution Version TERM LOAN AGREEMENT Dated as of August 29, 2023 Among PATTERSON-UTI ENERGY, INC., as the Borrower, WELLS FARGO BANK, NATIONAL ASSOCIATION as the Administrative Agent and a Lender, and The Other Lenders Party Hereto WELLS FARGO SECURITIES, LLC, as Lead Arranger and Sole Bookrunner TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND ACCOUNTING TERMS 1 1.01 Defined Terms 1

September 1, 2023 EX-10.6

Separation Agreement and General Release of Claims, dated September 1, 2023, by and between NexTier Oilfield Solutions Inc. and Robert W. Drummond (filed September 1, 2023 as Exhibit 10.6 to our Current Report on Form 8-K and incorporated herein by reference).*

Exhibit 10.6 SEPARATION AGREEMENT AND GENERAL RELEASE OF CLAIMS This Separation Agreement and General Release of Claims (this “Agreement”) is entered into between NexTier Oilfield Solutions Inc. f/k/a Keane Group, Inc. (“Employer”) and Robert Drummond (“Employee,” together with Employer, the “Parties”). Capitalized terms used herein that are not otherwise defined have the meanings assigned to them

September 1, 2023 EX-10.3

NexTier Oilfield Solutions Inc. Equity and Incentive Award Plan, as amended September 1, 2023 (filed September 1, 2023 as Exhibit 10.3 to our Current Report on Form 8-K and incorporated herein by reference).*

Exhibit 10.3 NexTier Oilfield Solutions Inc. Equity and Incentive Award Plan (As amended and restated September 1, 2023) The purpose of the NexTier Oilfield Solutions Inc. Equity and Incentive Award Plan (the “Plan”) is to promote the success and enhance the value of the Company by linking the personal interests of the members of the Board, Employees, and Consultants to those of the Company’s stoc

September 1, 2023 EX-FILING FEES

Filing Fee Table.

Exhibit 107.1 Calculation of Filing Fee Tables FORM S-8 (Form Type) PATTERSON-UTI ENERGY, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par

August 30, 2023 425

Shareholders of Patterson-UTI Energy and NexTier Oilfield Solutions Approve Merger of Equals

Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following joint press release was issued by Patterson-UTI and NexTier on August 30, 2023: Shareholders of Patterson-UTI Energy and NexTier Oilfield Solutions Approve Merger of Equals HOUSTON, August 30, 2023— Patterson-UTI Energy

August 18, 2023 SC 13G

PTEN / Patterson-UTI Energy Inc / BEP Diamond Topco L.P. - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Patterson-UTI Energy, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 703481101 (CUSIP Number) August 14, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

August 18, 2023 8-K

Other Events

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): August 18, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissio

August 18, 2023 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d519181dex991.htm EX-99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereu

August 14, 2023 EX-99.1

Patterson-UTI Energy Completes Acquisition of Ulterra Drilling Technologies

Exhibit 99.1 Contact: Mike Drickamer Patterson-UTI Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Completes Acquisition of Ulterra Drilling Technologies HOUSTON – August 14, 2023 – Patterson-UTI Energy, Inc. (NASDAQ: PTEN) (“Patterson-UTI”), a leading provider of drilling and completions services in the United States, today announced it has completed the acquisition of Ulte

August 14, 2023 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): August 14, 2023 Patterson-UTI Ene

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): August 14, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commissi

August 14, 2023 EX-99.1

Patterson-UTI Energy, Inc. Piper Sandler & Co. Meetings with Investors August 14-16, 2023

Patterson-UTI Energy, Inc. Piper Sandler & Co. Meetings with Investors August 14-16, 2023 Cautionary Statement Regarding Forward-Looking Statements This presentation and any oral statements made in connection with this presentation include forward-looking statements which are protected as forward-looking statements under the Private Securities Litigation Reform Act of 1995 that are not limited to

August 14, 2023 8-K

Regulation FD Disclosure, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

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): August 14, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commissi

August 8, 2023 425

Filed by

Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following email was sent to all Patterson-UTI employees on August 8, 2023: The integration teams have had a busy week of activities working through the elements of our integration with NexTier, and we would like to share the belo

August 1, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 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 1-39270 Patterson-UTI Energy, In

July 31, 2023 424B3

JOINT PROXY STATEMENT/PROSPECTUS MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-273295 JOINT PROXY STATEMENT/PROSPECTUS MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT On behalf of the boards of directors of Patterson-UTI Energy, Inc. (“Patterson-UTI”) and NexTier Oilfield Solutions Inc. (“NexTier”), we are pleased to enclose the accompanying joint proxy statement/prospectus relating to the business com

July 28, 2023 S-4/A

As filed with the Securities and Exchange Commission on July 28, 2023

S-4/A Table of Contents As filed with the Securities and Exchange Commission on July 28, 2023 Registration No.

July 28, 2023 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): July 27, 2023 Patterson-UTI Energ

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): July 27, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

July 28, 2023 EX-99.2

Form of Proxy Card for Special Meeting of NexTier Oilfield Solutions Inc.

YOUR VOTE IS IMPORTANT! PLEASE VOTE BY: Nextier Oilfield Solutions Inc. Special Meeting of Stockholders For Stockholders of record as of July 28, 2023 DATE: Wednesday, August 30, 2023 TIME: 10:00 AM, Central Daylight Time PLACE: NexTier’s Corporate Headquarters 3990 Rogerdale Road, Houston, Texas 77042 This proxy is being solicited on behalf of the Board of Directors The undersigned hereby appoint

July 28, 2023 EX-99.9

Consent of James Stewart to be named as a director upon completion of the mergers.

Exhibit 99.9 CONSENT The undersigned hereby consents to being named in this joint proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Patterson-UTI Energy, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of June 14, 2023, and amended as of July 27, 2023, by and among Patterson-UTI Energy

July 28, 2023 EX-99.8

Consent of Leslie Beyer to be named as a director upon completion of the mergers.

Exhibit 99.8 CONSENT The undersigned hereby consents to being named in this joint proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Patterson-UTI Energy, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of June 14, 2023, and amended as of July 27, 2023, by and among Patterson-UTI Energy

July 28, 2023 EX-2.1

First Amendment to Agreement and Plan of Merger, dated July 27, 2023, by and between Patterson-UTI and NexTier.

Exhibit 2.1 Execution Version FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER THIS FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER (this “Amendment”), dated as of July 27, 2023, is made and entered into by and between Patterson-UTI Energy, Inc., a Delaware corporation (“Parent”), and NexTier Oilfield Solutions Inc., a Delaware corporation (the “Company”). Each of Parent and the Company are referre

July 28, 2023 EX-99.1

Form of Proxy Card for Special Meeting of Patterson-UTI Energy, Inc.

EX-99.1 PATTERSON-UTI ENERGY, INC. 10713 W. SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON, TX 77064 SCAN TO VIEW MATERIALS & VOTE VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Time on August 29, 2023. Follow the instructions to obtain your records and to cr

July 28, 2023 EX-99.6

Consent of Gary Halverson to be named as a director upon completion of the mergers.

Exhibit 99.6 CONSENT The undersigned hereby consents to being named in this joint proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Patterson-UTI Energy, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of June 14, 2023, and amended as of July 27, 2023, by and among Patterson-UTI Energy

July 28, 2023 EX-99.4

Consent of Moelis & Company LLC.

Exhibit 99.4 CONSENT OF MOELIS & COMPANY LLC July 28, 2023 Board of Directors NexTier Oilfield Solutions Inc. 3990 Rogerdale Rd. Houston, Texas 77042 Members of the Board: We hereby consent to the inclusion of our opinion letter, dated June 14, 2023, to the Board of Directors of NexTier Oilfield Solutions Inc. (“NexTier”) as Annex C to, and to the references thereto under the headings “Summary—Opi

July 28, 2023 EX-2.1

First Amendment to Agreement and Plan of Merger, dated July 27, 2023, by and between Patterson-UTI and NexTier Oilfield Solutions Inc. (filed July 28, 2023 as Exhibit 2.1 to our Current Report on Form 8-K and incorporated herein by reference).

EX-2.1 Exhibit 2.1 Execution Version FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER THIS FIRST AMENDMENT TO AGREEMENT AND PLAN OF MERGER (this “Amendment”), dated as of July 27, 2023, is made and entered into by and between Patterson-UTI Energy, Inc., a Delaware corporation (“Parent”), and NexTier Oilfield Solutions Inc., a Delaware corporation (the “Company”). Each of Parent and the Company are

July 28, 2023 425

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): July 27, 2023 Patterson-UTI Energ

425 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): July 27, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

July 28, 2023 EX-99.3

Consent of Goldman Sachs & Co. LLC.

EX-99.3 Exhibit 99.3 July 28, 2023 Board of Directors Patterson-UTI Energy, Inc. 10713 W. Sam Houston Pkwy N, Suite 800 Houston, TX 77064 Re: Amendment No. 1 to Registration Statement on Form S-4 of Patterson-UTI Energy, Inc. (File No. 333-273295), filed July 28, 2023 (the “Registration Statement”) Ladies and Gentlemen: Reference is made to our opinion letter, dated June 14, 2023 (“Opinion Letter”

July 28, 2023 EX-99.7

Consent of Amy Nelson to be named as a director upon completion of the mergers.

EX-99.7 Exhibit 99.7 CONSENT The undersigned hereby consents to being named in this joint proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Patterson-UTI Energy, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of June 14, 2023, and amended as of July 27, 2023, by and among Patterson-UT

July 28, 2023 EX-99.1

Patterson-UTI and NexTier Oilfield Solutions Announce Expiration of Hart-Scott Rodino Waiting Period for Pending Merger

EX-99.1 Exhibit 99.1 Patterson-UTI and NexTier Oilfield Solutions Announce Expiration of Hart-Scott Rodino Waiting Period for Pending Merger HOUSTON, July 28, 2023 / — Patterson-UTI Energy, Inc. (NASDAQ: PTEN) (“Patterson-UTI”) and NexTier Oilfield Solutions Inc. (NYSE: NEX) (“NexTier”) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1

July 28, 2023 CORRESP

PATTERSON-UTI ENERGY, INC. 10713 W. Sam Houston Pkwy N., Suite 800 Houston, TX 77064

PATTERSON-UTI ENERGY, INC. 10713 W. Sam Houston Pkwy N., Suite 800 Houston, TX 77064 July 28, 2023 VIA EDGAR Anuja A. Majmudar Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, NE Washington, D.C. 20549-3561 Re: Patterson-UTI Energy, Inc. Registration Statement on Form S-4, as amended File No. 333-273295 Dear Ms. Majmudar: Pursuant t

July 28, 2023 EX-99.1

Patterson-UTI and NexTier Oilfield Solutions Announce Expiration of Hart-Scott Rodino Waiting Period for Pending Merger

Exhibit 99.1 Patterson-UTI and NexTier Oilfield Solutions Announce Expiration of Hart-Scott Rodino Waiting Period for Pending Merger HOUSTON, July 28, 2023 / — Patterson-UTI Energy, Inc. (NASDAQ: PTEN) (“Patterson-UTI”) and NexTier Oilfield Solutions Inc. (NYSE: NEX) (“NexTier”) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the

July 27, 2023 425

Filed by

Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following email was sent to all Patterson-UTI employees on July 27, 2023: It has been a little more than a month since we announced the pending me

July 27, 2023 425

Filed by

Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following are excerpts from the transcript of Patterson-UTI’s conference call on July 27, 2023 regarding Patterson-UTI’s second quarter 2023 earni

July 26, 2023 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): July 26, 2023 Patterson-UTI Energ

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): July 26, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

July 26, 2023 EX-99.1

Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2023

Exhibit 99.1 Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2023 HOUSTON, Texas – July 26, 2023 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended June 30, 2023. The Company reported net income of $84.6 million, or $0.40 per share, for the second

July 25, 2023 425

Filed by

425 Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following is a transcript of a video which was distributed to employees of NexTier Oilfield Solutions Inc. on July 25, 2023: Robert Drummond:

July 17, 2023 EX-99.2

BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Condensed Consolidated Financial Statements Condensed Consolidated Balance Sheet as of March 31, 2023 (Unaudited) 3 Condensed Consolidated Statem

EX-99.2 Exhibit 99.2 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies, L.P.) Condensed Consolidated Financial Statements As of March 31, 2023 and for the Three Months Ended March 31, 2023 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Contents Condensed Consolidated Financial Statements Cond

July 17, 2023 EX-99.4

Consent of Moelis & Company LLC.

EX-99.4 Exhibit 99.4 CONSENT OF MOELIS & COMPANY LLC July 17, 2023 Board of Directors NexTier Oilfield Solutions Inc. 3990 Rogerdale Rd. Houston, Texas 77042 Members of the Board: We hereby consent to the inclusion of our opinion letter, dated June 14, 2023, to the Board of Directors of NexTier Oilfield Solutions Inc. (“NexTier”) as Annex C to, and to the references thereto under the headings “Sum

July 17, 2023 EX-10.2

Support Agreement and Irrevocable Proxy, dated as of July 3, 2023, by and between NexTier Oilfield Solutions Inc. and BEP Diamond Topco L.P.

EX-10.2 Exhibit 10.2 SUPPORT AGREEMENT AND IRREVOCABLE PROXY This SUPPORT AGREEMENT AND IRREVOCABLE PROXY (this “Agreement”) is dated as of July 3, 2023, by and among BEP Diamond Topco L.P., a Delaware limited partnership (the “Stockholder”), and NexTier Oilfield Solutions Inc., a Delaware corporation (the “Company”). Capitalized terms used herein but not defined shall have the meanings ascribed t

July 17, 2023 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): July 17, 2023 Patterson-UTI Energ

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): July 17, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

July 17, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Patterson-UTI Energy, Inc.

July 17, 2023 EX-99.3

Consent of Goldman Sachs & Co. LLC.

EX-99.3 Exhibit 99.3 July 17, 2023 Board of Directors Patterson-UTI Energy, Inc. 10713 W. Sam Houston Pkwy N, Suite 800 Houston, TX 77064 Re: Initially Filed Registration Statement on Form S-4 of Patterson-UTI Energy, Inc., filed July 17, 2023 (the “Registration Statement”) Ladies and Gentlemen: Reference is made to our opinion letter, dated June 14, 2023 (“Opinion Letter”), with respect to the fa

July 17, 2023 EX-99.5

Consent of Robert W. Drummond to be named as a director upon completion of the mergers.

Exhibit 99.5 CONSENT The undersigned hereby consents to being named in this joint proxy statement/prospectus included in the Registration Statement on Form S-4 filed by Patterson-UTI Energy, Inc. (including any amendments to such Registration Statement) in connection with the Agreement and Plan of Merger, dated as of June 14, 2023, by and among Patterson-UTI Energy, Inc., NexTier Oilfield Solution

July 17, 2023 425

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): July 17, 2023 Patterson-UTI Energ

425 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): July 17, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

July 17, 2023 S-4

Powers of Attorney for Patterson-UTI Energy, Inc. (included on the signature page to this Registration Statement).

S-4 Table of Contents As filed with the Securities and Exchange Commission on July 17, 2023 Registration No.

July 17, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1) (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 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 1-392

July 17, 2023 EX-99.2

BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Condensed Consolidated Financial Statements Condensed Consolidated Balance Sheet as of March 31, 2023 (Unaudited) 3 Condensed Consolidated Statem

EX-99.2 Exhibit 99.2 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies, L.P.) Condensed Consolidated Financial Statements As of March 31, 2023 and for the Three Months Ended March 31, 2023 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Contents Condensed Consolidated Financial Statements Cond

July 17, 2023 EX-99.1

BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Independent Auditor’s Report 3 Consolidated Financial Statements Consolidated Balance Sheet as of December 31, 2022 5 Consolidated Statement of O

EX-99.1 Exhibit 99.1 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies, L.P.) Consolidated Financial Statements As of and for the year ended December 31, 2022 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Contents Independent Auditor’s Report 3 Consolidated Financial Statements Consolidated

July 17, 2023 EX-99.1

BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Independent Auditor’s Report 3 Consolidated Financial Statements Consolidated Balance Sheet as of December 31, 2022 5 Consolidated Statement of O

EX-99.1 Exhibit 99.1 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies, L.P.) Consolidated Financial Statements As of and for the year ended December 31, 2022 BEP Diamond Topco L.P. (Parent Company of Ulterra Holdings, Inc. and Ulterra Drilling Technologies L.P.) Contents Independent Auditor’s Report 3 Consolidated Financial Statements Consolidated

July 6, 2023 425

Filed by

425 Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following is a transcript of a conference call which occurred on July 5, 2023: Operator Good morning. My name is Rob, and I’ll be your confere

July 5, 2023 EX-99.3

Cautionary Statement Regarding Forward Looking Statements This material and any oral statements made in connection with this material include forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act

EX-99.3 Exhibit 99.3 Patterson-UTI Energy, Inc. Acquisition of Ulterra Drilling Technologies, L.P. July 5, 2023 Cautionary Statement Regarding Forward Looking Statements This material and any oral statements made in connection with this material include forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide

July 5, 2023 EX-99.2

As you may have seen in

EX-99.2 Exhibit 99.2 As you may have seen in Patterson-UTI’s press release today, we announced that we have entered into a definitive agreement to acquire Ulterra Drilling Technologies, L.P. (“Ulterra”), a global provider of specialized drill bit solutions. The addition of Ulterra to our drilling offering and our recent announcement to merge with NexTier Oilfield Solutions advances our strategy to

July 5, 2023 EX-99.2

As you may have seen in

EX-99.2 Exhibit 99.2 As you may have seen in Patterson-UTI’s press release today, we announced that we have entered into a definitive agreement to acquire Ulterra Drilling Technologies, L.P. (“Ulterra”), a global provider of specialized drill bit solutions. The addition of Ulterra to our drilling offering and our recent announcement to merge with NexTier Oilfield Solutions advances our strategy to

July 5, 2023 EX-99.3

Cautionary Statement Regarding Forward Looking Statements This material and any oral statements made in connection with this material include forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act

EX-99.3 Exhibit 99.3 Patterson-UTI Energy, Inc. Acquisition of Ulterra Drilling Technologies, L.P. July 5, 2023 Cautionary Statement Regarding Forward Looking Statements This material and any oral statements made in connection with this material include forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide

July 5, 2023 425

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): July 3, 2023 Patterson-UTI Energy

425 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): July 3, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commiss

July 5, 2023 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): July 3, 2023 Patterson-UTI Energy

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): July 3, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

July 5, 2023 EX-2.1

Agreement and Plan of Merger, dated as of July 3, 2023, by and among Patterson-UTI Energy, Inc., PJ Merger Sub Inc., PJ Second Merger Sub LLC, BEP Diamond Holdings Corp. and BEP Diamond Topco L.P. (filed July 5, 2023 as Exhibit 2.1 to our Current Report on Form 8-K and incorporated herein by reference).

EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BY AND AMONG PATTERSON-UTI ENERGY, INC., PJ MERGER SUB INC., PJ SECOND MERGER SUB LLC, BEP DIAMOND HOLDINGS CORP. and BEP DIAMOND TOPCO L.P. as the Stockholder DATED AS OF July 3, 2023 TABLE OF CONTENTS Page ARTICLE 1 CERTAIN DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.2 Interpretive Provisions 21 ARTICLE 2 THE MERGERS 22 Section 2.1 Mergers 23

July 5, 2023 EX-2.1

AGREEMENT AND PLAN OF MERGER BY AND AMONG PATTERSON-UTI ENERGY, INC., PJ MERGER SUB INC., PJ SECOND MERGER SUB LLC, BEP DIAMOND HOLDINGS CORP. BEP DIAMOND TOPCO L.P. as the Stockholder DATED AS OF July 3, 2023

EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BY AND AMONG PATTERSON-UTI ENERGY, INC., PJ MERGER SUB INC., PJ SECOND MERGER SUB LLC, BEP DIAMOND HOLDINGS CORP. and BEP DIAMOND TOPCO L.P. as the Stockholder DATED AS OF July 3, 2023 TABLE OF CONTENTS Page ARTICLE 1 CERTAIN DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.2 Interpretive Provisions 21 ARTICLE 2 THE MERGERS 22 Section 2.1 Mergers 23

July 5, 2023 EX-99.1

Patterson-UTI Energy Announces Agreement to Acquire Global Drill Bit Company, Ulterra Ulterra is a Leading Provider of Highly Engineered Polycrystalline Diamond Compact (“PDC”) Drill Bits in North America with a Growing International Presence Conside

Exhibit 99.1 Contact: Mike Drickamer Patterson-UTI Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Announces Agreement to Acquire Global Drill Bit Company, Ulterra Ulterra is a Leading Provider of Highly Engineered Polycrystalline Diamond Compact (“PDC”) Drill Bits in North America with a Growing International Presence Consideration Comprised of $370 Million of Cash and 34.9

July 5, 2023 EX-99.1

Patterson-UTI Energy Announces Agreement to Acquire Global Drill Bit Company, Ulterra Ulterra is a Leading Provider of Highly Engineered Polycrystalline Diamond Compact (“PDC”) Drill Bits in North America with a Growing International Presence Conside

EX-99.1 Exhibit 99.1 Contact: Mike Drickamer Patterson-UTI Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Announces Agreement to Acquire Global Drill Bit Company, Ulterra Ulterra is a Leading Provider of Highly Engineered Polycrystalline Diamond Compact (“PDC”) Drill Bits in North America with a Growing International Presence Consideration Comprised of $370 Million of Cash

June 23, 2023 SC 13D

NEX / NexTier Oilfield Solutions Inc / PATTERSON UTI ENERGY INC - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. N/A)* NexTier Oilfield Solutions Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 65290C105 (CUSIP Number) Seth D. Wexler Senior Vice President, General Counsel and Secretary Patterson-UTI Energy, Inc. 10713 W. Sam Ho

June 23, 2023 425

Filed by

425 Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following is a transcript of an event which occurred on June 22, 2023: REFINITIV STREETEVENTS | www.refinitiv.com | Contact Us ©2023 Refinitiv

June 20, 2023 425

Filed by Patterson-UTI Energy, Inc. pursuant to

425 Filed by Patterson-UTI Energy, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: NexTier Oilfield Solutions Inc. Commission File No. 1-37988 The following article was published by Hart Energy on June 16, 2023: MERGERS Exclusive Q&A: Patterson-UTI, NexTier CEOs Talk Merger, Shale Dominan

June 16, 2023 EX-99.1

2

EX-99.1 Exhibit 99.1 REFINITIV STREETEVENTS | www.refinitiv.com | Contact Us ©2023 Refinitiv. All rights reserved. Republication or redistribution of Refinitiv content, including by framing or similar means, is prohibited without the prior written consent of Refinitiv. ‘Refinitiv’ and the Refinitiv logo are registered trademarks of Refinitiv and its affiliated companies. CORPORATE PARTICIPANTS C.

June 16, 2023 EX-99.5

Town Hall June 15, 2023

EX-99.5 Exhibit 99.5 Town Hall June 15, 2023 Corporate Speakers: • Andy Hendricks; Patterson-UTI Energy; President and Chief Executive Officer PRESENTATION Operator: Please stand by. Your program is about to begin. Good day everyone. And welcome to the Patterson-UTI Employee Town Hall to discuss the merger of equals with NextTier Oilfield Solutions. All lines have been placed on mute to prevent an

June 16, 2023 425

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 15, 2023 Patterson-UTI Energ

425 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 15, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

June 16, 2023 EX-99.3

Energy and NexTier Oilfield Solutions to Combine in Merger of Equals Industry Leading Drilling and Completions Services Provider Creating

EX-99.3 Exhibit 99.3 Patterson-UTI Energy and NexTier Oilfield Solutions to Combine in Merger of Equals Industry Leading Drilling and Completions Services Provider Creating best-in-class operational and Leveraging NexTier’s integrated model to drive technology portfolio with comprehensive efficiencies and improve returns suite of solutions at scale and data analytics to maximize well performance L

June 16, 2023 EX-99.4

Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222

EX-99.4 Exhibit 99.4 Patterson-UTI Energy & NexTier Oilfield Solutions Merger of Equals Town Hall June 15, 2023 Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222 Energy Services Landscape Remains Highly Fragmented Despite outperforming in 2022, a significant number of public Energy Service companies do not have the necessary breadth to attract investor attentio

June 16, 2023 EX-99.2

Today we announced that Patterson-UTI will merge with NexTier Oilfield Solutions. This creates an industry leading drilling and completions services provider that will have leadership positions in contract drilling, pressure pumping and directional d

EX-99.2 3 d506037dex992.htm EX-99.2 Exhibit 99.2 LinkedIn Today we announced that Patterson-UTI will merge with NexTier Oilfield Solutions. This creates an industry leading drilling and completions services provider that will have leadership positions in contract drilling, pressure pumping and directional drilling. We’re excited to deliver superior value to customers, employees, communities and sh

June 16, 2023 EX-99.4

Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222

EX-99.4 Exhibit 99.4 Patterson-UTI Energy & NexTier Oilfield Solutions Merger of Equals Town Hall June 15, 2023 Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222 Energy Services Landscape Remains Highly Fragmented Despite outperforming in 2022, a significant number of public Energy Service companies do not have the necessary breadth to attract investor attentio

June 16, 2023 EX-99.3

Energy and NexTier Oilfield Solutions to Combine in Merger of Equals Industry Leading Drilling and Completions Services Provider Creating

EX-99.3 Exhibit 99.3 Patterson-UTI Energy and NexTier Oilfield Solutions to Combine in Merger of Equals Industry Leading Drilling and Completions Services Provider Creating best-in-class operational and Leveraging NexTier’s integrated model to drive technology portfolio with comprehensive efficiencies and improve returns suite of solutions at scale and data analytics to maximize well performance L

June 16, 2023 EX-99.2

Today we announced that Patterson-UTI will merge with NexTier Oilfield Solutions. This creates an industry leading drilling and completions services provider that will have leadership positions in contract drilling, pressure pumping and directional d

EX-99.2 Exhibit 99.2 LinkedIn Today we announced that Patterson-UTI will merge with NexTier Oilfield Solutions. This creates an industry leading drilling and completions services provider that will have leadership positions in contract drilling, pressure pumping and directional drilling. We’re excited to deliver superior value to customers, employees, communities and shareholders. We invite you to

June 16, 2023 EX-99.5

Town Hall June 15, 2023

EX-99.5 Exhibit 99.5 Town Hall June 15, 2023 Corporate Speakers: • Andy Hendricks; Patterson-UTI Energy; President and Chief Executive Officer PRESENTATION Operator: Please stand by. Your program is about to begin. Good day everyone. And welcome to the Patterson-UTI Employee Town Hall to discuss the merger of equals with NextTier Oilfield Solutions. All lines have been placed on mute to prevent an

June 16, 2023 EX-99.1

2

EX-99.1 Exhibit 99.1 REFINITIV STREETEVENTS | www.refinitiv.com | Contact Us ©2023 Refinitiv. All rights reserved. Republication or redistribution of Refinitiv content, including by framing or similar means, is prohibited without the prior written consent of Refinitiv. ‘Refinitiv’ and the Refinitiv logo are registered trademarks of Refinitiv and its affiliated companies. CORPORATE PARTICIPANTS C.

June 16, 2023 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 15, 2023 Patterson-UTI Energ

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 15, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

June 15, 2023 EX-99.3

Subject Line: Important Announcement from Andy Hendricks

EX-99.3 Exhibit 99.3 Subject Line: Important Announcement from Andy Hendricks Patterson Team, I am pleased to share that, moments ago, we announced that Patterson-UTI and NexTier Oilfield Solutions will combine in a merger of equals. The merger will create an industry leading drilling and completions services provider with a foothold in the most active major U.S. basins, along with operations in L

June 15, 2023 EX-99.5

Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222

EX-99.5 Exhibit 99.5 Patterson-UTI Energy & NexTier Oilfield Solutions Merger of Equals Town Hall June 15, 2023 Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222 Who We Are Today Leading Provider of Critical Path Services — ~50% of E&P Total Well Spend Includes Services Provided by Patterson-UTI Headquarters Employees (Jan. 2023) Houston 6,500 Drilling Services

June 15, 2023 EX-99.1

Patterson-UTI Energy and NexTier Oilfield Solutions to Combine in Merger of Equals, Creating Industry Leading Drilling and Completions Services Provider Comprehensive U.S. Oilfield Services Franchise to Enhance Drilling and Completions Value Creation

EX-99.1 5 d494894dex991.htm EX-99.1 Exhibit 99.1 Contact: Mike Drickamer Michael Sabella Patterson-UTI Vice President, Investor Relations NexTier Vice President, Investor Relations and Business Development (281) 765-7170 (346) 242-0519 Media for transaction: Joele Frank, Wilkinson Brimmer Katcher [email protected] 212-355-4449 Patterson-UTI Energy and NexTier Oilfield Solutions to Combi

June 15, 2023 EX-3.1

Amended and Restated Bylaws of Patterson-UTI Energy, Inc., effective June 14, 2023 (filed June 15, 2023 as Exhibit 3.1 to our Current Report on Form 8-K and incorporated herein by reference).

EX-3.1 3 d494894dex31.htm EX-3.1 Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF PATTERSON-UTI ENERGY, INC. A DELAWARE CORPORATION JUNE 14, 2023 Table of Contents Page No. ARTICLE I Meetings of Stockholders 1 Section 1. Annual Meetings 1 Section 2. Special Meetings 1 Section 3. Notices of Meetings 1 Section 4. Place of Meetings 1 Section 5. Quorum and Voting 2 Section 6. Record Date 2 Section 7. Proxie

June 15, 2023 EX-2.1

Agreement and Plan of Merger, dated as of June 14, 2023, by and among Patterson-UTI Energy, Inc., Pecos Merger Sub Inc., Pecos Second Merger Sub LLC and NexTier Oilfield Solutions Inc.

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER among PATTERSON-UTI ENERGY, INC., PECOS MERGER SUB INC., PECOS SECOND MERGER SUB LLC and NEXTIER OILFIELD SOLUTIONS INC. Dated as of June 14, 2023 TABLE OF CONTENTS Page ARTICLE I THE MERGERS 2 1.1 The Mergers 2 1.2 Closing 3 1.3 Effects of the Mergers 3 ARTICLE II MERGER CONSIDERATION; EFFECT OF THE MERGER ON CAPITAL STOCK 3 2.1 Me

June 15, 2023 EX-99.2

PTEN TEAM REPLACE IMAGE A Compelling Combination Establishes a premier drilling and completions provider in U.S. land positioned among the leaders in contract drilling, pressure pumping, and directional drilling Attractive investment opportunity with

EX-99.2 6 d494894dex992.htm EX-99.2 Exhibit 99.2 Patterson-UTI Energy & NexTier Oilfield Solutions Creating a New Industry Leading Drilling and Completions Services Provider June 2023 Cautionary Statement Regarding Forward-Looking Statements This presentation contains forward-looking statements which are protected as forward-looking statements under the Private Securities Litigation Reform Act of

June 15, 2023 EX-99.3

Subject Line: Important Announcement from Andy Hendricks

EX-99.3 Exhibit 99.3 Subject Line: Important Announcement from Andy Hendricks Patterson Team, I am pleased to share that, moments ago, we announced that Patterson-UTI and NexTier Oilfield Solutions will combine in a merger of equals. The merger will create an industry leading drilling and completions services provider with a foothold in the most active major U.S. basins, along with operations in L

June 15, 2023 EX-99.5

Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222

EX-99.5 Exhibit 99.5 Patterson-UTI Energy & NexTier Oilfield Solutions Merger of Equals Town Hall June 15, 2023 Agenda Welcome 1 Why NexTier? 2 Patterson-UTI & NexTier Combination 3 Next Steps 4 222 Who We Are Today Leading Provider of Critical Path Services — ~50% of E&P Total Well Spend Includes Services Provided by Patterson-UTI Headquarters Employees (Jan. 2023) Houston 6,500 Drilling Services

June 15, 2023 EX-99.2

PTEN TEAM REPLACE IMAGE A Compelling Combination Establishes a premier drilling and completions provider in U.S. land positioned among the leaders in contract drilling, pressure pumping, and directional drilling Attractive investment opportunity with

EX-99.2 Exhibit 99.2 Patterson-UTI Energy & NexTier Oilfield Solutions Creating a New Industry Leading Drilling and Completions Services Provider June 2023 Cautionary Statement Regarding Forward-Looking Statements This presentation contains forward-looking statements which are protected as forward-looking statements under the Private Securities Litigation Reform Act of 1995 that are not limited to

June 15, 2023 EX-3.1

Amended and Restated Bylaws of Patterson-UTI Energy, Inc., effective June 14, 2023.

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED BYLAWS OF PATTERSON-UTI ENERGY, INC. A DELAWARE CORPORATION JUNE 14, 2023 Table of Contents Page No. ARTICLE I Meetings of Stockholders 1 Section 1. Annual Meetings 1 Section 2. Special Meetings 1 Section 3. Notices of Meetings 1 Section 4. Place of Meetings 1 Section 5. Quorum and Voting 2 Section 6. Record Date 2 Section 7. Proxies 2 Section 8. Notice of S

June 15, 2023 EX-99.4

What was announced?

EX-99.4 Exhibit 99.4 1. What was announced? • Patterson-UTI and NexTier Oilfield Solutions are combining in a merger of equals transaction to create an industry leading drilling and completions services provider with a foothold in the most active major U.S. basins, along with operations in Latin America. • The combined company will have an enterprise value of approximately $5.4 billion. Under the

June 15, 2023 EX-10.1

Support Agreement and Irrevocable Proxy, dated as of June 14, 2023, by and among Patterson-UTI Energy, Inc., Keane Investor Holdings LLC and Cerberus Capital Management, L.P.

EX-10.1 Exhibit 10.1 Execution Version SUPPORT AGREEMENT AND IRREVOCABLE PROXY This SUPPORT AGREEMENT AND IRREVOCABLE PROXY (this “Agreement”) is dated as of June 14, 2023, by and among Keane Investor Holdings LLC, a Delaware limited liability company (the “Stockholder”), Patterson-UTI Energy, Inc., a Delaware corporation (“Parent”), and Cerberus Capital Management, L.P., a Delaware limited partne

June 15, 2023 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

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 14, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commission

June 15, 2023 425

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 14, 2023 Patterson-UTI Energ

425 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 14, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation ) (Commis

June 15, 2023 EX-99.4

What was announced?

EX-99.4 Exhibit 99.4 1. What was announced? • Patterson-UTI and NexTier Oilfield Solutions are combining in a merger of equals transaction to create an industry leading drilling and completions services provider with a foothold in the most active major U.S. basins, along with operations in Latin America. • The combined company will have an enterprise value of approximately $5.4 billion. Under the

June 15, 2023 EX-99.1

Patterson-UTI Energy and NexTier Oilfield Solutions to Combine in Merger of Equals, Creating Industry Leading Drilling and Completions Services Provider Comprehensive U.S. Oilfield Services Franchise to Enhance Drilling and Completions Value Creation

EX-99.1 Exhibit 99.1 Contact: Mike Drickamer Michael Sabella Patterson-UTI Vice President, Investor Relations NexTier Vice President, Investor Relations and Business Development (281) 765-7170 (346) 242-0519 Media for transaction: Joele Frank, Wilkinson Brimmer Katcher [email protected] 212-355-4449 Patterson-UTI Energy and NexTier Oilfield Solutions to Combine in Merger of Equals, Crea

June 15, 2023 EX-10.1

Support Agreement and Irrevocable Proxy, dated as of June 14, 2023, among the Reporting Person, Keane Investor and Cerberus (incorporated by reference to Exhibit 10.1 to the Reporting Person’s Current Report on Form 8-K (File No. 001-39270) filed with the Commission on June 15, 2023).

EX-10.1 Exhibit 10.1 Execution Version SUPPORT AGREEMENT AND IRREVOCABLE PROXY This SUPPORT AGREEMENT AND IRREVOCABLE PROXY (this “Agreement”) is dated as of June 14, 2023, by and among Keane Investor Holdings LLC, a Delaware limited liability company (the “Stockholder”), Patterson-UTI Energy, Inc., a Delaware corporation (“Parent”), and Cerberus Capital Management, L.P., a Delaware limited partne

June 15, 2023 EX-2.1

Agreement and Plan of Merger, dated as of June 14, 2023, by and among Patterson-UTI Energy, Inc., Pecos Merger Sub Inc., Pecos Second Merger Sub LLC and NexTier Oilfield Solutions Inc. (filed June 15, 2023 as Exhibit 2.1 to our Current Report on Form 8-K and incorporated herein by reference).

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER among PATTERSON-UTI ENERGY, INC., PECOS MERGER SUB INC., PECOS SECOND MERGER SUB LLC and NEXTIER OILFIELD SOLUTIONS INC. Dated as of June 14, 2023 TABLE OF CONTENTS Page ARTICLE I THE MERGERS 2 1.1 The Mergers 2 1.2 Closing 3 1.3 Effects of the Mergers 3 ARTICLE II MERGER CONSIDERATION; EFFECT OF THE MERGER ON CAPITAL STOCK 3 2.1 Me

June 8, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES 5 pten-exfilingfees.htm EX-FILING FEES Exhibit 107.1 Calculation of Filing Fee Tables FORM S-8 (Form Type) PATTERSON-UTI ENERGY, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title (1) Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Ra

June 8, 2023 EX-99.1

Patterson-UTI Energy, Inc. 2021 Long-Term Incentive Plan, as amended (incorporated by reference to Exhibit 99.1 of the Company's Registration Statement on Form S-8, filed on June 8, 2023).

Exhibit 99.1 PATTERSON-UTI ENERGY, INC. 2021 LONG-TERM INCENTIVE PLAN (as amended June 8, 2023) Patterson-UTI Energy, Inc. (the “Company”), a Delaware corporation, hereby establishes and adopts the following 2021 Long-Term Incentive Plan (as amended from time to time, the “Plan”) effective as of April 9, 2021 (the “Effective Date”) and as amended effective June 8, 2023. 1. PURPOSE OF THE PLAN The

June 8, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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 8, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

June 8, 2023 S-8

As filed with the Securities and Exchange Commission on June 8, 2023

As filed with the Securities and Exchange Commission on June 8, 2023 Registration No.

May 16, 2023 EX-99.1

Patterson-UTI Energy, Inc. TPH & Co. Hotter ‘N Hell Conference May 16, 2023

Patterson-UTI Energy, Inc. TPH & Co. Hotter ‘N Hell Conference May 16, 2023 Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide the Company’s or management’s intentions, beliefs, expectations

May 16, 2023 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): May 16, 2023 Patterson-UTI Energy

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): May 16, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

May 15, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Patterson-UTI Energy, Inc. (Exact name of the registrant as specified in its charter) Delaware 1-39270 75-2504748 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 10713 W. Sam Houston Pkwy N, Suite 800, Houston, Texas

May 15, 2023 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form

Exhibit 1.01 Patterson-UTI Energy, Inc. Conflict Minerals Report For the Year Ended December 31, 2022 This Conflict Minerals Report (the “Report”) for the reporting period ended December 31, 2022 is presented by Patterson-UTI Energy, Inc. and its consolidated subsidiaries (“we”, “us” or the “Company”) to comply with Rule 13p-1 and Form SD promulgated under the Securities Exchange Act of 1934, as a

May 1, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 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 1-39270 Patterson-UTI Energy, I

April 27, 2023 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): April 26, 2023 Patterson-UTI Ener

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): April 26, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

April 27, 2023 EX-99

Patterson-UTI Energy Reports Financial Results for the Quarter Ended March 31, 2023

Exhibit 99.1 Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Reports Financial Results for the Quarter Ended March 31, 2023 HOUSTON, Texas – April 26, 2023 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended March 31, 2023. The Company reported net income of $99.7 million, or $0.46 per share, for the firs

April 11, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 11, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

March 21, 2023 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): March 21, 2023 Patterson-UTI Ener

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): March 21, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

March 21, 2023 EX-99

Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made whic

Patterson-UTI Energy, Inc. Piper | Sandler 23rd Annual Energy Conference March 21-22, 2023 Exhibit 99.1 Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide the Company’s or management’s intent

February 14, 2023 EX-99.B

Page 12 of 12

EX-99.B 3 d392628dex99b.htm EX-99.B Exhibit B EXHIBIT B Powers of Attorney for Macquarie Group Limited and incorporated by reference to 13G filings made by Macquarie Group Limited and on May 25, 2021. Page 12 of 12

February 14, 2023 EX-99.A

Page 8 of 12

EX-99.A 2 d392628dex99a.htm EX-99.A Exhibit A EXHIBIT A AGREEMENT TO FILE JOINT ACQUISITION STATEMENTS AGREEMENT made this 2nd day of FEBRUARY, 2021 by and between Delaware Funds® by Macquarie listed on Annex A hereto, Macquarie Investment Management Business Trust, Macquarie Management Holdings, Inc, and the Macquarie Parties listed on Annex B hereto (collectively referred to as the “parties”). W

February 14, 2023 SC 13G/A

PTEN / Patterson-UTI Energy, Inc. / MACQUARIE GROUP LTD - SC 13G/A Passive Investment

SC 13G/A 1 d392628dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Patterson-UTI Energy Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 703481101 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 13, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 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 1-39270 Patterson-UTI Ene

February 13, 2023 EX-21

Subsidiaries of the Registrant.+

Exhibit 21.1 Subsidiaries of the Registrant Name State of Incorporation or organization Ambar Lone Star Fluid Services LLC Texas Current Power Solutions, Inc. Texas Drilling Technologies 1 LLC Delaware Drilling Technologies 2 LLC Delaware Great Plains Oilfield Rental, L.L.C. Oklahoma Keystone Rock & Excavation, L.L.C. Oklahoma MS Directional, LLC Texas Patterson Petroleum LLC Texas Patterson-UTI D

February 9, 2023 SC 13G/A

PTEN / Patterson-UTI Energy, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01634-pattersonutienergyin.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Patterson-UTI Energy Inc. Title of Class of Securities: Common Stock CUSIP Number: 703481101 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box

February 8, 2023 EX-99.1

Patterson-UTI Energy Reports Financial Results for the Quarter Ended December 31, 2022

EX-99.1 2 pten-ex991.htm EX-99.1 Exhibit 99.1 Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Reports Financial Results for the Quarter Ended December 31, 2022 HOUSTON, Texas – February 8, 2023 – PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended December 31, 2022. The Company reported net income of $100 m

February 8, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): February 8, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

January 4, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): January 4, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissio

January 4, 2023 EX-99.1

Patterson-UTI Energy Provides Update on Expected Fourth Quarter Financial Results

Exhibit 99.1 For Immediate Release Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Provides Update on Expected Fourth Quarter Financial Results HOUSTON ? January 4, 2023 ? PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) announced today that it expects its net income for the fourth quarter of 2022 to exceed $100 million and its adjusted EBITDA for the fourth

January 3, 2023 EX-10.1

Employment Agreement, dated as of January 1, 2023, by and between Patterson-UTI Energy, Inc. and James M. Holcomb (filed on January 3, 2023 as Exhibit 10.1 to our Current Report on Form 8-K and incorporated herein by reference).*

EX-10.1 2 pten-ex101.htm EX-10.1 Exhibit 10.1 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this “Agreement”) is entered into as of January 1, 2023, between Patterson-UTI Energy, Inc., a Delaware corporation (the “Company”), and James M. Holcomb (“Executive”). W I T N E S E T H: WHEREAS, Executive is currently employed by Patterson-UTI Drilling Company LLC, a Texas limited liability company, a w

January 3, 2023 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): January 1, 2023 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissio

January 3, 2023 EX-99.1

Patterson-UTI Energy Announces Appointments of Mike Holcomb to Chief Operating Officer of Patterson-UTI Energy and Mike Garvin to President of Patterson-UTI Drilling

Exhibit 99.1 For Immediate Release Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Announces Appointments of Mike Holcomb to Chief Operating Officer of Patterson-UTI Energy and Mike Garvin to President of Patterson-UTI Drilling HOUSTON ? January 3, 2023 ? PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) announced today that James ?Mike? Holcomb has been prom

November 9, 2022 EX-10.1

Amendment No. 3 to Amended and Restated Credit Agreement, dated November 9, 2022, among Patterson-UTI Energy, Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent, letter of credit issuer, swing line lender and lender and each of the other letter of credit issuers and lenders party thereto (filed November 9, 2022 as Exhibit 10.1 to our Current Report on Form 8-K and incorporated herein by reference).

Exhibit 10.1 Execution Version AMENDMENT NO. 3 TO AMENDED AND RESTATED CREDIT AGREEMENT This AMENDMENT NO. 3 TO AMENDED AND RESTATED CREDIT AGREEMENT (this ?Agreement?), dated as of November 9, 2022 (?Effective Date?), is by and among Patterson-UTI Energy, Inc., a Delaware corporation (?Borrower?), the Lenders (as defined below) party hereto, and Wells Fargo Bank, N.A., as administrative agent (in

November 9, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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): November 9, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

October 31, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 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 1-39270 Patterson-UTI Energ

October 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): October 26, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commissi

October 26, 2022 EX-99.1

Patterson-UTI Energy Reports Financial Results for the Quarter Ended September 30, 2022; Doubles Dividend and Announces Shareholder Return Target

Exhibit 99.1 Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Reports Financial Results for the Quarter Ended September 30, 2022; Doubles Dividend and Announces Shareholder Return Target HOUSTON, Texas ? October 26, 2022 ? PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended September 30, 2022. The Company re

September 6, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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): September 6, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commiss

September 6, 2022 EX-99.2

Patterson-UTI Energy, Inc. Barclays CEO Energy-Power Conference September 6-7, 2022

Patterson-UTI Energy, Inc. Barclays CEO Energy-Power Conference September 6-7, 2022 Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide the Company?s or management?s intentions, beliefs, expec

September 6, 2022 EX-99.1

Patterson-UTI Energy to Present at the Barclays CEO Energy-Power Conference

For Immediate Release Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy to Present at the Barclays CEO Energy-Power Conference HOUSTON ? September 6, 2022 ? PATTERSON-UTI ENERGY, INC.

August 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 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 1-39270 Patterson-UTI Energy, In

July 27, 2022 EX-99.1

Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2022

Exhibit 99.1 Contact: Mike Drickamer Vice President, Investor Relations (281) 765-7170 Patterson-UTI Energy Reports Financial Results for the Quarter Ended June 30, 2022 HOUSTON, Texas ? July 27, 2022 ? PATTERSON-UTI ENERGY, INC. (NASDAQ: PTEN) today reported financial results for the quarter ended June 30, 2022. The Company reported net income of $21.9 million, or $0.10 per share, for the second

July 27, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): July 27, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

June 22, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

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 22, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission

June 22, 2022 EX-99.1

Patterson-UTI Energy, Inc. J.P. Morgan 2022 Energy, Power & Renewables Conference June 23, 2022

Patterson-UTI Energy, Inc. J.P. Morgan 2022 Energy, Power & Renewables Conference June 23, 2022 Forward Looking Statements This material and any oral statements made in connection with this material include "forward-looking statements" within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. Statements made which provide the Company?s or management?s intentions, be

June 3, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

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 2, 2022 Patterson-UTI Energy, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 1-39270 75-2504748 (State or Other Jurisdiction of Incorporation) (Commission F

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