DO / Diamond Offshore Drilling, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

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SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appro

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-13926 NOBLE OFFSHORE DRILLING, INC. (as successor in interest to Diamond

As filed with the Securities and Exchange Commission on September 4, 2024

As filed with the Securities and Exchange Commission on September 4, 2024 Registration No.

As filed with the Securities and Exchange Commission on September 4, 2024

As filed with the Securities and Exchange Commission on September 4, 2024 Registration No.

ASSIGNMENT AND ASSUMPTION AGREEMENT

EX-10.1 Exhibit 10.1 Execution Version ASSIGNMENT AND ASSUMPTION AGREEMENT THIS ASSIGNMENT AND ASSUMPTION AGREEMENT (this “Agreement”), dated as of September 4, 2024, is by and among Noble Corporation plc, a public limited company incorporated under the laws of England and Wales (“Noble”) and Computershare, Inc., a Delaware corporation (“Computershare”), and its affiliate, Computershare Trust Comp

SUPPLEMENTAL INDENTURE

EX-4.1 Exhibit 4.1 Execution Version SUPPLEMENTAL INDENTURE THIS SUPPLEMENTAL INDENTURE is entered into as of September 4, 2024 (this “Supplemental Indenture”) among DIAMOND FOREIGN ASSET COMPANY, an exempted company incorporated under the laws of the Cayman Islands (“Cayman Issuer”), DIAMOND FINANCE, LLC, a Delaware limited liability company (“FinanceCo” and, together with the Cayman Issuer, the

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 4, 2024 Noble Offshore

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 4, 2024 Noble Offshore Drilling, Inc. (as successor in interest to Diamond Offshore Drilling, Inc.) (Exact name of registrant as specified in its charter) Delaware 1-13926 7

Adopted 6 June, 2024 Dolphin Merger Sub 2, Inc. a Delaware Corporation The Board of Directors

EX-3.2 Exhibit 3.2 Adopted 6 June, 2024 Dolphin Merger Sub 2, Inc. a Delaware Corporation BY-LAWS I The Board of Directors 1.  Authority of Board. The business and affairs of Dolphin Merger Sub 2, Inc., a Delaware corporation (herein called the “Corporation”) shall be managed by or under the direction of the Board of Directors (the “Board”) or, if authorized by the Board, by or under the direction

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on September 16, 2024, pursuant to the provisions of Rule 12d2-2 (a).

As filed with the Securities and Exchange Commission on September 4, 2024

As filed with the Securities and Exchange Commission on September 4, 2024 Registration No.

CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DOLPHIN MERGER SUB 2, INC. September 4, 2024

EX-3.3 Exhibit 3.3 CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DOLPHIN MERGER SUB 2, INC. September 4, 2024 Dolphin Merger Sub 2, Inc. (the Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, as amended (the “DGCL”), does hereby certify that: 1. The name of the Corporation is Dolph

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION DOLPHIN MERGER SUB 2, INC.

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DOLPHIN MERGER SUB 2, INC. 1. Name. The name of the corporation is Dolphin Merger Sub 2, Inc. (the “Corporation”). 2. Address; Registered Office and Agent. The name and address of the Corporation’s registered agent is The Corporation Trust Company, 1209 Orange Street, Corporation Trust Center, Wilmington, county of New Castle,

Current Report

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 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Current Report

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 19, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

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 19, 2024 Diamond Offshore

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 19, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Amended and Restated Supplemental Severance Plan

Exhibit 10.1 DIAMOND OFFSHORE DRILLING, INC. AMENDED AND RESTATED SUPPLEMENTAL SEVERANCE PLAN ARTICLE I INTRODUCTION AND ESTABLISHMENT OF PLAN The Company hereby adopts, as of the Effective Date, the Amended and Restated Diamond Offshore Drilling, Inc. Supplemental Severance Plan (the “Plan”). The Plan is intended to offer severance benefits to Participants in the event of certain terminations of

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 (Mark One) ☒ 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 ☐ 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 1-13926 DIAMOND OFFSH

Regulation FD Disclosure

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 6, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

1 Recent Commercial and Other Activity Fleet Status Report – August 6, 2024 New Contracts and Extensions Secured a contract with BOE Exploration & Production LLC (“Beacon”) in the U.S. Gulf of Mexico (“USGOM”) for a minimum duration of 180 days. The

Exhibit 99.2 Fleet Status Report August 6, 2024 1 Recent Commercial and Other Activity Fleet Status Report – August 6, 2024 New Contracts and Extensions Secured a contract with BOE Exploration & Production LLC (“Beacon”) in the U.S. Gulf of Mexico (“USGOM”) for a minimum duration of 180 days. The contract is expected to Ocean BlackRhino commence in the first quarter of 2025. The contract also incl

Diamond Offshore Reports Second Quarter 2024 Results

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports Second Quarter 2024 Results • $350 Million in Contract Awards in Q2; $89 Million in Contract Awards Post-Q2 • Q2 Adjusted EBITDA of $58 Million • $8.7 Million in Performance Bonuses Earned during Q2 in Senegal • Ocean GreatWhite Completes Repairs and Resumes Operations HOUSTON, August 6

Filed by Noble Corporation plc

Filed by Noble Corporation plc 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: Diamond Offshore Drilling, Inc.

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425 Filed by: Diamond Offshore Drilling, 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: Diamond Offshore Drilling, Inc. Commission File No.: 001-13926 [The following was made available to Diamond Offshore Drilling, Inc. (“Diamond”) employees on July 30, 2024 in connection with the propos

Noble Corporation and Diamond Offshore Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update

Exhibit 99.1 Press release Noble Corporation and Diamond Offshore Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update SUGAR LAND, TEXAS, July 25, 2024 - Noble Corporation plc (“Noble”) (CSE: NOBLE, NYSE: NE) and Diamond Offshore Drilling, Inc. (“Diamond”) (NYSE: DO) announced today that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act

Noble Corporation and Diamond Offshore Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update

EXHIBIT 99.1 Press release Noble Corporation and Diamond Offshore Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update SUGAR LAND, TEXAS, July 25, 2024 - Noble Corporation plc ("Noble") (CSE: NOBLE, NYSE: NE) and Diamond Offshore Drilling, Inc (“Diamond”) (NYSE: DO) announced today that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act

Current Report

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 25, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commis

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 25, 2024

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 25, 2024 Noble Corporation plc (Exact name of registrant as specified in its charter) England and Wales 001-41520 98-1644664 (State or other jurisdiction of incorporation) (Commi

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 25, 2024 Diamond Offshore Dr

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 25, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 14

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Filed by: Diamond Offshore Drilling, 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: Diamond Offshore Drilling, Inc. Commission File No.: 001-13926 [The following was made available to Diamond Offshore Drilling, Inc. (“Diamond Offshore”) employees on June 17, 2024 in connection with the p

Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc.

EXHIBIT 99.1 Press release Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc. SUGAR LAND, TEXAS, June 10, 2024 - Noble Corporation plc ("Noble") (CSE: NOBLE, NYSE: NE) and Diamond Offshore Drilling, Inc (“Diamond”) (NYSE: DO) announced today that they have entered into a definitive merger agreement under which Noble will acquire Diamond in a stock plus cash transa

Important Information for Investors and Stockholders Important Additional Information In connection with the Transaction, Noble expects to file with the SEC a registration statement on Form S-4 (the “Registration Statement”) that will include a proxy

Exhibit 99.2 Noble Corporation to Acquire Diamond Offshore Drilling June 10, 2024 Important Information for Investors and Stockholders Important Additional Information In connection with the Transaction, Noble expects to file with the SEC a registration statement on Form S-4 (the “Registration Statement”) that will include a proxy statement of Diamond and a prospectus of Noble (the “Proxy Statemen

Noble Corporation to Acquire Diamond Offshore Drilling June 10, 2024

EXHIBIT 99.2 Noble Corporation to Acquire Diamond Offshore Drilling June 10, 2024 Important Information for Investors and Stockholders 2 Important Additional Information In connection with the Transaction, Noble expects to file with the SEC a registration statement on Form S - 4 (the “Registration Statement”) that will include a proxy statement of Diamond and a prospectus of Noble (the “Proxy Stat

Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc.

Exhibit 99.1 Press release Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc. SUGAR LAND, TEXAS, June 10, 2024 - Noble Corporation plc (“Noble”) (CSE: NOBLE, NYSE: NE) and Diamond Offshore Drilling, Inc (“Diamond”) (NYSE: DO) announced today that they have entered into a definitive merger agreement under which Noble will acquire Diamond in a stock plus cash transa

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 9, 2024 Diamond Offshore Dri

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 9, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

Important Information for Investors and Stockholders Important Additional Information In connection with the Transaction, Noble expects to file with the SEC a registration statement on Form S-4 (the “Registration Statement”) that will include a proxy

Exhibit 99.2 Noble Corporation to Acquire Diamond Offshore Drilling June 10, 2024 Important Information for Investors and Stockholders Important Additional Information In connection with the Transaction, Noble expects to file with the SEC a registration statement on Form S-4 (the “Registration Statement”) that will include a proxy statement of Diamond and a prospectus of Noble (the “Proxy Statemen

Filed by: Diamond Offshore Drilling, Inc.

Filed by: Diamond Offshore Drilling, 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: Diamond Offshore Drilling, Inc. Commission File No.: 001-13926 On June 10, 2024, the President and Chief Executive Officer of Diamond Offshore Drilling, Inc. sent the following email to its employees: Dea

Agreement and Plan of Merger, dated as of June 9, 2024, by and among Noble Corporation plc, Diamond Offshore Drilling, Inc., Dolphin Merger Sub 1, Inc. and Dolphin Merger Sub 2, Inc. (filed as Exhibit 2.1 to Noble’s Current Report on Form 8-K filed on June 10, 2024 and incorporated herein by reference).

EXHIBIT 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among NOBLE CORPORATION PLC, DOLPHIN MERGER SUB 1, INC., DOLPHIN MERGER SUB 2, INC. and DIAMOND OFFSHORE DRILLING, INC. Dated as of June 9, 2024 Table of Contents Page Article I DEFINITIONS Section 1.1 Definitions 2 Section 1.2 Headings 17 Section 1.3 Interpretation 17 Article II THE MERGERS Section 2.1 The Mergers 18 Section 2.2 Ef

Regulation FD Disclosure

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 9, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

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 10, 2024

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 10, 2024 Noble Corporation plc (Exact name of registrant as specified in its charter) England and Wales 001-41520 98-1644664 (State or other jurisdiction of incorporation) (Commi

Agreement and Plan of Merger, dated as of June 9, 2024, among Diamond Offshore Drilling, Inc., Noble Corporation plc, Dolphin Merger Sub 1, Inc. and Dolphin Merger Sub 2, Inc.

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among NOBLE CORPORATION PLC, DOLPHIN MERGER SUB 1, INC., DOLPHIN MERGER SUB 2, INC. and DIAMOND OFFSHORE DRILLING, INC. Dated as of June 9, 2024 Table of Contents Page ARTICLE I DEFINITIONS Section 1.1 Definitions 2 Section 1.2 Headings 17 Section 1.3 Interpretation 17 ARTICLE II THE MERGERS Section 2.1 The Mergers 18 Section 2.2 Ef

Agreement and Plan of Merger, dated as of June 9, 2024, among Diamond Offshore Drilling, Inc., Noble Corporation plc, Dolphin Merger Sub 1, Inc. and Dolphin Merger Sub 2, Inc.

Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among NOBLE CORPORATION PLC, DOLPHIN MERGER SUB 1, INC., DOLPHIN MERGER SUB 2, INC. and DIAMOND OFFSHORE DRILLING, INC. Dated as of June 9, 2024 Table of Contents Page ARTICLE I DEFINITIONS Section 1.1 Definitions 2 Section 1.2 Headings 17 Section 1.3 Interpretation 17 ARTICLE II THE MERGERS Section 2.1 The Mergers 18 Section 2.2 Ef

Noble Corporation to Acquire Diamond Offshore Drilling Edited Transcript Monday, June 10, 2024 June 10, 2023 10 AM CT

Filed by Noble Corporation plc 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: Diamond Offshore Drilling, Inc.

Filed by: Diamond Offshore Drilling, Inc.

Filed by: Diamond Offshore Drilling, 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: Diamond Offshore Drilling, Inc. Commission File No.: 001-13926 [The following is a transcript of a conference call held by Noble Corporation plc (“Noble”) and Diamond Offshore Drilling, Inc. (“Diamond Off

Filed by Noble Corporation plc

Filed by Noble Corporation plc 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: Diamond Offshore Drilling, Inc.

Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc.

Exhibit 99.1 Press release Noble Corporation plc announces agreement to acquire Diamond Offshore Drilling, Inc. SUGAR LAND, TEXAS, June 10, 2024 - Noble Corporation plc (“Noble”) (CSE: NOBLE, NYSE: NE) and Diamond Offshore Drilling, Inc (“Diamond”) (NYSE: DO) announced today that they have entered into a definitive merger agreement under which Noble will acquire Diamond in a stock plus cash transa

Current Report

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 9, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

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 (Mark One) ☒ 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 ☐ 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 1-13926 DIAMOND OFFS

Diamond Offshore Reports First Quarter 2024 Results

EX-99.1 Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports First Quarter 2024 Results • Secured $731 million in contract awards year to date, including $713 million in Q1 • Total backlog was $1.9 billion as of April 1, 2024 • Ocean GreatWhite repairs progressing well; expected back on location in the first half of June • Secured marketi

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 7, 2024 Diamond Offshore Dri

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 7, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

1 Recent Commercial and Other Activity Fleet Status Report – May 7, 2024 New Contracts and Extensions Secured one-well contract with Foxtrot International LDC (“Foxtrot”) in the Ivory Coast with an estimated duration of 30 days commencing in late-Dec

EX-99.2 Exhibit 99.2 Diamond Offshore Fleet Status Report May 7, 2024 1 Recent Commercial and Other Activity Fleet Status Report – May 7, 2024 New Contracts and Extensions Secured one-well contract with Foxtrot International LDC (“Foxtrot”) in the Ivory Coast with an estimated duration of 30 days commencing in late-December 2024 after the rig’s Ocean BlackRhino Special Periodical Survey (“SPS”) an

Current Report

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, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 b

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 b

Current Report

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 14, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Current Report

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 15, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

DIAMOND OFFSHORE ANNOUNCES NEW DRILLSHIP COMMITMENT

Exhibit 99.1 Contact: Kevin Bordosky Senior Director Investor Relations (281) 647- 4035 DIAMOND OFFSHORE ANNOUNCES NEW DRILLSHIP COMMITMENT HOUSTON, March 3, 2024 — Diamond Offshore Drilling, Inc. (NYSE: DO) today announced that it has executed a two-year contract extension with a subsidiary of bp in the U.S. Gulf of Mexico for the Ocean BlackHornet, commencing in February 2025 in direct continuat

Regulation FD Disclosure

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 3, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commi

Form of 2024 Executive Performance-Vesting Restricted Stock Unit Award Agreement.

Exhibit 10.24 DIAMOND OFFSHORE DRILLING, INC. EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made as of January 15, 2024 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [•] (the “Participant”), and is made pursuant to the terms

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 27, 2024 Diamond Offsho

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 27, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Exhibit 4.2

Exhibit 4.2 Description of Diamond Offshore Drilling, Inc.’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 As of the end of the fiscal year covered by the Annual Report on Form 10-K of which this exhibit is part, Diamond Offshore Drilling, Inc., a Delaware corporation (which we refer to as the “Company,” “we,” “us” or “our”) had one class of securities registe

Incentive Compensation Recoupment Policy

Exhibit 97.1 INCENTIVE COMPENSATION RECOUPMENT POLICY (as adopted on August 14, 2023) 1. Introduction. Diamond Offshore Drilling, Inc. (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Company ha

1 Recent Commercial and Other Activity Fleet Status Report – February 27, 2024 New Contracts and Extensions Ocean BlackLion Secured two-year extension with a subsidiary of bp in the U.S. Gulf of Mexico (“USGOM”) commencing in early September 2024 in

Exhibit 99.2 Diamond Offshore Fleet Status Report February 27, 2024 1 Recent Commercial and Other Activity Fleet Status Report – February 27, 2024 New Contracts and Extensions Ocean BlackLion Secured two-year extension with a subsidiary of bp in the U.S. Gulf of Mexico (“USGOM”) commencing in early September 2024 in direct continuation of the rig’s current contract. Ocean Patriot Secured two-well

List of Subsidiaries of Diamond Offshore Drilling, Inc.

Exhibit 21.1 SUBSIDIARIES Subsidiary Jurisdiction of Organization Diamond Foreign Asset Company Cayman Diamond Offshore Drilling (UK) Ltd England Diamond Offshore Drilling Limited Cayman Diamond Offshore Finance Company Delaware Diamond Offshore General Company Delaware Diamond Offshore International, L.L.C. Delaware Diamond Offshore Limited England Diamond Offshore Management Company Delaware Dia

Form of 2024 Time-Vesting Restricted Stock Unit Award Agreement.

Exhibit 10.23 DIAMOND OFFSHORE DRILLING, INC. TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made as of January 15, 2024 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [•] (the “Participant”), and is made pursuant to the terms of the Company’s 2021 Long-Term St

Diamond Offshore Reports Fourth Quarter 2023 Results

EX-99.1 Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports Fourth Quarter 2023 Results • $362 Million in Contract Awards Year to Date 2024 • $245 Million in Total Backlog Added in Q4 • Rig Performance Bonus Earned in Senegal • Ocean BlackHawk and Ocean Courage Commenced New Contracts in Q4 HOUSTON, February 27, 2024 — Diamond Offshore D

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 ☒ 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 1-13926 DIAMOND OFFSHORE DRILLING, I

Diamond Offshore Drilling Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Diamond Offshore Drilling Inc Title of Class of Securities: Common Stock CUSIP Number: 25271C201 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule i

DE:DO10 / Diamond Offshore Drilling, Inc. / KEY GROUP HOLDINGS (CAYMAN), LTD. Passive Investment

SC 13G/A 1 d1096313713g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 25271C201 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check

Diamond Offshore Drilling Inc / Contrarius Investment Management Ltd - AMENDMENT TO FORM SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO §240.13d-2. Diamond Offshore Drilling, Inc. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 25271C201 (CUSIP Number

Diamond Offshore Drilling Inc / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the approp

Diamond Offshore Drilling Inc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

DIAMOND OFFSHORE ANNOUNCES NEW FLOATER COMMITMENTS

Exhibit 99.1 Contact: Kevin Bordosky Senior Director Investor Relations (281) 647- 4035 DIAMOND OFFSHORE ANNOUNCES NEW FLOATER COMMITMENTS HOUSTON, February 8, 2024 — Diamond Offshore Drilling, Inc. (NYSE: DO) today announced that it has executed a two-year contract extension with a subsidiary of bp in the U.S. Gulf of Mexico for the Ocean BlackLion, commencing in September 2024 in direct continua

Diamond Offshore Drilling Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* DIAMOND OFFSHORE DRILLING INC (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropri

Regulation FD Disclosure

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, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

Current Report

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 1, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

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): January 15, 2024 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

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 (Mark One) ☒ 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 1-13926 DIAMOND

Regulation FD Disclosure

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 6, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

Diamond Offshore Reports Third Quarter 2023 Results and Announces Contract Awards of $240 Million

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports Third Quarter 2023 Results and Announces Contract Awards of $240 Million • Awarded $240 Million in New Contracts, including a 35-well P&A Campaign for the Ocean Patriot • Issued $550 Million 8.5% Senior Secured Second Lien Notes due 2030 • 7th Performance Bonus Earned by Senegal Rigs •

DIAMOND OFFSHORE Recent Commercial Activity1 New Contracts and Extensions Water Depth (Ft.) Ocean GreatWhite Second and third priced option wells exercised by bp in the UK with an estimated duration of 60 days each. The option wells will be in direct

EX-99.2 Diamond Offshore Fleet Status Report November 7, 2023 Exhibit 99.2 DIAMOND OFFSHORE Recent Commercial Activity1 New Contracts and Extensions Water Depth (Ft.) Ocean GreatWhite Second and third priced option wells exercised by bp in the UK with an estimated duration of 60 days each. The option wells will be in direct continuation of the existing term. The rig is now expected to remain under

Entry into a Material Definitive Agreement, 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): September 21, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (

Amended and Restated Collateral Agency and Intercreditor Agreement, dated September 21, 2023, by and among Diamond Foreign Asset Company, Diamond Offshore Drilling, Inc., other grantors from time to time party thereto and HSBC Bank USA, National Association, as trustee and as collateral agent (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on September 22, 2023).

Exhibit 10.1 September 21, 2023 DIAMOND OFFSHORE DRILLING, INC., as the Parent, DIAMOND FOREIGN ASSET COMPANY, as the Company, the other GRANTORS from time to time party hereto, HSBC BANK USA, NATIONAL ASSOCIATION, as Administrative Agent under the Credit Agreement, HSBC BANK USA, NATIONAL ASSOCIATION, as Trustee under the Indenture, and HSBC BANK USA, NATIONAL ASSOCIATION, as Collateral Agent AME

Indenture, dated September 21, 2023, by and among Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, Diamond Finance, LLC, the other Guarantors party thereto, and HSBC Bank USA, National Association, as trustee and as collateral agent, relating to the 8.500% Senior Secured Second Lien Notes due 2030 (incorporated by reference to Exhibit 4.1 to our Current Report on Form 8-K filed on September 22, 2023).

Exhibit 4.1 DIAMOND FOREIGN ASSET COMPANY DIAMOND FINANCE, LLC as Issuers The Guarantors party hereto from time to time and HSBC BANK USA, NATIONAL ASSOCIATION as Trustee and Collateral Agent INDENTURE Dated as of September 21, 2023 8.500% Senior Secured Second Lien Notes due 2030 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01. Definitions 1 Section 1.02.

Diamond Offshore Announces Pricing of $550 Million Upsized Private Placement of 8.500% Senior Secured Second Lien Notes Due 2030

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Announces Pricing of $550 Million Upsized Private Placement of 8.500% Senior Secured Second Lien Notes Due 2030 HOUSTON, September 12, 2023 — Diamond Offshore Drilling, Inc. (NYSE: DO) and its wholly-owned subsidiaries, Diamond Foreign Asset Company and Diamond Finance, LLC (together, the “Issu

Amendment No. 2 to Credit Agreement, dated September 12, 2023, by and among Diamond Foreign Asset Company, Diamond Offshore Drilling, Inc., HSBC Bank USA, National Association, as administrative agent and as collateral agent, and the lenders and issuing lenders from time to time party thereto (incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K filed on September 13, 2023).

EX-10.2 Exhibit 10.2 AMENDMENT NO. 2 TO CREDIT AGREEMENT THIS AMENDMENT NO. 2 TO CREDIT AGREEMENT (this “Amendment”), dated as of September 12, 2023 and effective as of the Second Amendment Effective Date (as defined below), to the Credit Agreement referred to below is by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the “Parent”), Diamond Foreign Asset Company, a Cayman Islan

Purchase Agreement, dated as of September 12, 2023, between Diamond Foreign Asset Company, Diamond Finance, LLC, certain guarantors named therein and Goldman Sachs & Co. LLC, as representative of the initial purchasers.

Exhibit 10.1 Diamond Foreign Asset Company Diamond Finance, LLC Senior Secured Second Lien Notes due 2030 Purchase Agreement September 12, 2023 Goldman Sachs & Co. LLC, As representative of the several Purchasers named in Schedule I hereto, c/o Goldman Sachs & Co. LLC, 200 West Street, New York, New York 10282-2198 Ladies and Gentlemen: Diamond Foreign Asset Company, a Cayman Islands exempted comp

Regulation FD Disclosure, Entry into a Material Definitive Agreement, 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 12, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (

Diamond Offshore Announces $500 Million Private Placement of Senior Secured Second Lien Notes Due 2030

EX-99.1 Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Announces $500 Million Private Placement of Senior Secured Second Lien Notes Due 2030 HOUSTON, September 12, 2023 — Diamond Offshore Drilling, Inc. (NYSE: DO) announced today that its wholly-owned subsidiaries, Diamond Foreign Asset Company and Diamond Finance, LLC (together, the “Issue

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 12, 2023 Diamond Offsh

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 12, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (

Entry into a Material Definitive Agreement, 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 10, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Com

Agency Assignment Agreement and Master Assignment of Liens, dated as of August 10, 2023, by and among HSBC Bank USA, National Association, as successor administrative agent and collateral agent, Wells Fargo Bank, National Association, as resigning administrative agent and collateral agent, Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, the other loan parties named therein, the Revolving Credit Agreement lenders party thereto, and the Term Loan Agreement lenders party thereto.

Exhibit 10.1 Execution Version AGENCY ASSIGNMENT AGREEMENT AND MASTER ASSIGNMENT OF LIENS This Agency Assignment Agreement and Master Assignment of Liens (this “Agreement”) dated as of August 10, 2023, is among Diamond Offshore Drilling, Inc., a Delaware corporation, as parent (the “Parent”), Diamond Foreign Asset Company, a Cayman Islands exempted company limited by shares, as borrower (the “Borr

Diamond Offshore Reports Second Quarter 2023 Results

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports Second Quarter 2023 Results • Backlog of $229 Million Added During Second Quarter • Ocean GreatWhite Completes Second Well Post-Reactivation; First Option Exercised • Ocean BlackHawk Completes Senegal Contract; Commences Shipyard Project • Ocean Apex Completes Shipyard Project; Mobilizi

Page 2 of 4

Exhibit 99.2 Diamond Offshore Drilling, Inc. Rig Status Report August 8, 2023 Recent Commercial Activity (1) New Contracts and Extensions Ocean BlackHawk Secured one-year + one-year priced option contract with Anadarko Petroleum Corporation (a wholly owned subsidiary of Occidental) in the US GOM, estimated to commence in Nov 2023. The firm term is expected to run until Nov 2024. Ocean BlackRhino P

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 7, 2023 Diamond Offshore

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 7, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

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 (Mark One) ☒ 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 1-13926 DIAMOND OFFSH

GB:0I92 / Diamond Offshore Drilling, Inc. / KEY GROUP HOLDINGS (CAYMAN), LTD. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

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 6, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commis

Fourth Amended and Restated Certificate of Incorporation of Diamond Offshore Drilling, Inc. (incorporated by reference to Exhibit 3.1 to our Current Report on Form 8-K filed on May 10, 2023).

EX-3.1 Exhibit 3.1 FOURTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DIAMOND OFFSHORE DRILLING, INC. Diamond Offshore Drilling, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware, as it now exists or may hereafter be amended and supplemented (the “DGCL”), hereby certifies as follows: 1. The name of the corporation is

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, 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): May 10, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commis

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 (Mark One) ☒ 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 1-13926 DIAMOND OFFS

Type2

EX-99.2 Exhibit 99.2 Water Depth¹ Year Estimated Estimated Rig Name (feet) Type2 Built3 Location Operator Start Date End Date Gulf of Mexico (GOM) Ocean BlackHornet 12,000 DS 15K DP 2014 US GOM bp Feb-2023 Feb-2025 Ocean BlackLion 12,000 DS 15K DP 2015 US GOM bp Sep-2022 Sep-2024 Auriga4 12,000 DS 15K DP 2013 US GOM bp Mar-2022 Mar-2023 Mar-2023 Mar-2024 Vela4 12,000 DS 15K DP 2013 US GOM Beacon J

Diamond Offshore Reports First Quarter 2023 Results and Announces Contract Awards of $212 Million

EX-99.1 Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Reports First Quarter 2023 Results and Announces Contract Awards of $212 Million • Awarded $212 million in New Contracts • Ocean GreatWhite Completes Reactivation and Commences Contract • Performance Bonus Earned by Senegal Rigs for Third Consecutive Quarter • Revenue and Adjusted EBITD

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

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 8, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

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 25, 2023 Diamond Offshore

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 25, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

The Diamond Offshore Drilling, Inc. Short-Term Incentive Plan (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on April 28, 2023).

EX-10.1 Exhibit 10.1 DIAMOND OFFSHORE DRILLING, INC. SHORT-TERM INCENTIVE PLAN (Effective April 27, 2023) 1. PURPOSE OF THE PLAN The purpose of the Diamond Offshore Drilling, Inc. Short-Term Incentive Plan (the “Plan”) is to advance the best interests of Diamond Offshore Drilling, Inc. (the “Company”) and its subsidiaries by providing employees with additional incentives through the grant of cash

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

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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)(2))

Amendment No. 1 to Credit Agreement, dated as of March 24, 2023, by and among Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, the other guarantors party thereto and Wells Fargo Bank, National Association, as administrative agent.

EX-10.2 Exhibit 10.2 Execution Version AMENDMENT NO. 1 TO CREDIT AGREEMENT THIS AMENDMENT NO. 1 TO CREDIT AGREEMENT (this “Amendment”), dated as of March 24, 2023 (the “Amendment Effective Date”), to the Credit Agreement referred to below is by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the “Parent”), Diamond Foreign Asset Company, a Cayman Islands exempted company limited

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 t he R egistrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule

Amendment No. 1 to Term Loan Agreement, dated as of March 24, 2023, by and among Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, the other guarantors party thereto and Wells Fargo Bank, National Association, as administrative agent.

EX-10.1 Exhibit 10.1 Execution Version AMENDMENT NO. 1 TO TERM LOAN AGREEMENT THIS AMENDMENT NO. 1 TO TERM LOAN AGREEMENT (this “Amendment”), dated as of March 24, 2023 (the “Amendment Effective Date”), to the Term Loan Agreement referred to below is by and among Diamond Offshore Drilling, Inc., a Delaware corporation (the “Parent”), Diamond Foreign Asset Company, a Cayman Islands exempted company

Entry into a Material Definitive Agreement, 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): March 24, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 14

Description of Diamond Offshore Drilling, Inc.'s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

Exhibit 4.2 Description of Diamond Offshore Drilling, Inc.’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 As of the end of the fiscal year covered by the Annual Report on Form 10-K of which this exhibit is part, Diamond Offshore Drilling, Inc., a Delaware corporation (which we refer to as the “Company,” “we,” “us” or “our”) had one class of securities registe

Form of 2023 Executive Performance-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.22 to our Annual Report on Form 10-K filed on February 28, 2023).

Exhibit 10.22 DIAMOND OFFSHORE DRILLING, INC. EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made as of January 18, 2023 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [•] (the “Participant”), and is made pursuant to the terms

Form of 2022 Short-Term Incentive Plan Participation Letter.

Exhibit 10.20 [Executive Name] Personal & Confidential May 24, 2022 Dear [Executive]: SUBJECT: 2022 Short-Term Incentive (“STI”) Participation Letter You are a valuable member of Diamond Offshore and your continued employment is important to the Company’s future success. As such, you have been designated as a participant in the 2022 Executive Short-Term Incentive Plan (the “Plan”). This letter pro

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

Exhibit 10.23 DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT This RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), is made as of January 18, 2023 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [] (the “Participant”), and is made pursuant to the terms of the Company’s 2021 Lo

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 ☒ 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 1-13926 DIAMOND OFFSHORE DRILLING, I

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

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 27, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Diamond Offshore Announces Fourth Quarter 2022 Results

EX-99.1 Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Announces Fourth Quarter 2022 Results • Added $482 Million of Backlog in Fourth Quarter • Earned Sixth Performance Bonus in Senegal • Progressed Ocean GreatWhite Reactivation HOUSTON, February 27, 2023 — Diamond Offshore Drilling, Inc. (NYSE: DO) today reported the following results for

List of Subsidiaries of Diamond Offshore Drilling, Inc.

Exhibit 21.1 SUBSIDIARIES Subsidiary Jurisdiction of Organization Diamond Foreign Asset Company Cayman Diamond Offshore Drilling (UK) Ltd England Diamond Offshore Drilling Limited Cayman Diamond Offshore Finance Company Delaware Diamond Offshore General Company Delaware Diamond Offshore International, L.L.C. Delaware Diamond Offshore Limited England Diamond Offshore Management Company Delaware Dia

Form of 2023 Time-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.21 to our Annual Report on Form 10-K filed on February 28, 2023).

Exhibit 10.21 DIAMOND OFFSHORE DRILLING, INC. TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made as of January 18, 2023 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [•] (the “Participant”), and is made pursuant to the terms of the Company’s 2021 Long-Term St

Diamond Offshore Drilling, Inc.

EX-99.2 Exhibit 99.2 Diamond Offshore Drilling, Inc. Rig Status Report February 28, 2023 Updated information noted in bold print Rig Name Water Depth¹ (feet) Type2 Year Built3 Location Operator Estimated Start Date Estimated End Date Gulf of Mexico (GOM) Ocean BlackHornet 12,000 DS 15K DP 2014 US GOM bp Feb-2022 Feb-2023 Feb-2023 Feb-2025 Ocean BlackLion 12,000 DS 15K DP 2015 US GOM bp Sep-2022 Se

Regulation FD Disclosure

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 10, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

DE:DO1 / Diamond Offshore Drilling, Inc. / KEY GROUP HOLDINGS (CAYMAN), LTD. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

US25271C2017 / DIAMOND OFFSHORE DRILLING INC 144A (NEW) (NOT LISTED OR TRADING) / Capital World Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriat

Third Amended and Restated Bylaws of Diamond Offshore Drilling, Inc. (incorporated by reference to Exhibit 3.1 to our Current Report on Form 8-K filed on February 10, 2023).

Exhibit 3.1 Third Amended and Restated Bylaws of Diamond Offshore Drilling, Inc. (a Delaware corporation) TABLE OF CONTENTS Page Article I - Corporate Offices 1 Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 Article II - Meetings of Stockholders 1 Section 2.1 Place of Meetings 1 Section 2.2 Annual Meeting 1 Section 2.3 Special Meeting 1 Section 2.4 Notice of Business to be Brought bef

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Shareholder Director Nominations

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 9, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

US25271C2017 / DIAMOND OFFSHORE DRILLING INC 144A (NEW) (NOT LISTED OR TRADING) / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0730-diamondoffshoredrilli.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Diamond Offshore Drilling Inc. Title of Class of Securities: Common Stock CUSIP Number: 25271C201 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the ru

US25271C2017 / DIAMOND OFFSHORE DRILLING INC 144A (NEW) (NOT LISTED OR TRADING) / Contrarius Investment Management Ltd - SCHEDULE FILED TO REPORT ACQUISITION OF BENEFICIAL OWNERSHIP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO §240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO §240.13d-2. Diamond Offshore Drilling, Inc. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 25271C201 (CUSIP Number) December 31, 202

US25271C2017 / DIAMOND OFFSHORE DRILLING INC 144A (NEW) (NOT LISTED OR TRADING) / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Diamond Offshore Drilling, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25271C201 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

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): January 18, 2023 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

Regulation FD Disclosure

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 15, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Regulation FD Disclosure

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 28, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

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

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, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

Start Date

Exhibit 99.2 Diamond Offshore Drilling, Inc. Rig Status Report November 7, 2022 Updated information noted in bold print Water Depth? Year Estimated Estimated Rig Name (feet) Type2 Built3 Location Operator Start Date End Date Gulf of Mexico (GOM) Ocean BlackHornet 12,000 DS 15K DP 2014 US GOM BP Feb-2020 Feb-2022 Feb-2022 Feb-2023 Feb-2023 Feb-2025 Ocean BlackLion 12,000 DS 15K DP 2015 US GOM BP Se

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 (Mark One) ? 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 1-13926 DIAMOND

Diamond Offshore Announces Third Quarter 2022 Results and $429 Million Project Award in Brazil

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647-4035 Diamond Offshore Announces Third Quarter 2022 Results and $429 Million Project Award in Brazil ? Ocean Courage Awarded 4-Year Project ? Performance Bonus on First Well for Ocean BlackHawk ? $20 Million Increase in Revenue and $3 Million Increase in EBITDA ? Ocean GreatWhite Commences Reactivation HOUSTON, Novem

DE:DO1 / Diamond Offshore Drilling, Inc. / KEY GROUP HOLDINGS (CAYMAN), LTD. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

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

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 9, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Diamond Offshore Reports Second Quarter 2022 Results and Announces $610 Million in New Contract Awards

Exhibit 99.1 Contact: Kevin Bordosky Senior Director, Investor Relations (281) 647- 4035 Diamond Offshore Reports Second Quarter 2022 Results and Announces $610 Million in New Contract Awards ? Ocean GreatWhite Awarded Contract ? Three Other Rigs Secure Additional Backlog ? 18% Increase in Contract Drilling Revenue and $26m Increase in EBITDA HOUSTON, August 9, 2022 ? Diamond Offshore Drilling, In

Type 2

EX-99.2 3 d391387dex992.htm EX-99.2 Exhibit 99.2 Diamond Offshore Drilling, Inc. Rig Status Report August 10, 2022 Updated information noted in bold print Water Depth ¹ Year Estimated Estimated Rig Name (feet) Type 2 Built 3 Location Operator Start Date End Date Gulf of Mexico (GOM) Ocean BlackHornet 12,000 DS 15K DP 2014 US GOM BP Feb-2020 1Q 2025 Ocean BlackLion 12,000 DS 15K DP 2015 US GOM BP S

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 (Mark One) ? 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 1-13926 DIAMOND OFFSH

Diamond Offshore Drilling, Inc. 20,229,065 Shares of Common Stock

Table of Contents Filed pursuant to Rule 424(b)(3) Registration No. 333-257281 Prospectus Diamond Offshore Drilling, Inc. 20,229,065 Shares of Common Stock This prospectus relates to the offer and sale by the selling stockholders identified in this prospectus of up to 20,229,065 shares of our common stock, par value $0.0001 per share (which we refer to collectively as the Shares). We are not selli

DIAMOND OFFSHORE DRILLING, INC. 15415 KATY FREEWAY HOUSTON, TEXAS 77094

CORRESP 1 filename1.htm DIAMOND OFFSHORE DRILLING, INC. 15415 KATY FREEWAY HOUSTON, TEXAS 77094 June 14, 2022 Via EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Diamond Offshore Drilling, Inc. Pre-Effective Amendment No. 2 on Form S-3 to Registration Statement on Form S-1 (No. 333-257281) Ladies and Gentlemen: Pursuant to Rule

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 June 2, 2022

CORRESP 1 filename1.htm Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 June 2, 2022 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Ms. Liz Packebusch, Staff Attorney Ms. Laura Nicholson, Special Counsel Re: Diamond Offshore Drilling, Inc.

Power of Attorney of Benjamin C. Duster, IV.

Exhibit 24.2 POWER OF ATTORNEY The undersigned Director of Diamond Offshore Drilling, Inc. hereby designates, constitutes and appoints each of David L. Roland and Dominic A. Savarino (with full power to each to act alone) as his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution (the ?Attorneys-in-Fact?), for him and in his name, place and stead, in any

Filing Fee Table

EX-FILING FEES 4 d180977dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Diamond Offshore Drilling, 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 Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit

As filed with the Securities and Exchange Commission on June 2, 2022

Table of Contents As filed with the Securities and Exchange Commission on June 2, 2022 Registration No.

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): April 21, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Specimen Executive Performance-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K filed on May 11, 2022).

Exhibit 10.2 [Specimen] DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this ?Agreement?) is made as of May 12, 2022 (the ?Grant Date?) between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), and [] (the ?Particip

Specimen Time-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on May 11, 2022).

Exhibit 10.1 [Specimen] DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this ?Agreement?) is made as of [] (the ?Grant Date?) between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), and [] (the ?Participant?), and is made pursuant to the terms of

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 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 1-13926 DIAMOND OFFS

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

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 10, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commis

DIAMOND OFFSHORE DRILLING, INC. AND SUBSIDIARIES CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands, except per share data) Three Months Ended March 31, December 31, 2022 2021 Revenues: Contract drilling $ 150,252 $ 184,139 Revenues relate

Exhibit 99.1 Contact: Samir Ali Vice President, Investor Relations & Corporate Development (281) 647-4035 Diamond Offshore Announces First Quarter 2022 Results HOUSTON, May 10, 2022 ? Diamond Offshore Drilling, Inc. (NYSE: DO) today reported the following results for the first quarter of 2022: Three Months Ended Thousands of dollars, except per share data March 31, 2022 December 31, 2021 Total rev

Amendment No. 1, dated as of February 10, 2022, to Restricted Stock Award Agreement, dated as of May 8, 2021, between Diamond Offshore Drilling, Inc. and Bernie Wolford, Jr. with respect to the performance-vesting award

Exhibit 10.1 DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN RESTRICTED STOCK AWARD AGREEMENT Amendment No. 1 This Amendment (this “Amendment”) to the Restricted Stock Award Agreement, dated as of May 8, 2021 (the “Award Agreement”) by and between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and Bernie Wolford, Jr. (the “Participant”) is made as of F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION R

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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 1-13926 DIAMOND

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 20

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to C

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 26, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Form of 2021 Short-Term Incentive Plan Participation Letter (incorporated by reference to Exhibit 10.4 to our Quarterly Report on Form 10-Q/A (Amendment No. 1) for the quarter ended September 30, 2021).

Exhibit 10.4 [Executive Name] Personal & Confidential September 1, 2021 Dear [Executive]: SUBJECT: 2021 Short-Term Incentive (?STI?) Participation Letter You are a valuable member of Diamond Offshore and your continued employment is important to the Company?s future success. As such, you have been designated as a participant in the 2021 Executive Short-Term Incentive Plan (the ?Plan?). This letter

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 21, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Form 8-A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 DIAMOND OFFSHORE DRILLING, INC. (Exact name of registrant as specified in its charter) Delaware 76-0321760 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identifica

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): March 24, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Samir Ali

EX-99.1 2 d278624dex991.htm EX-99.1 Exhibit 99.1 Contact: Samir Ali Vice President, Investor Relations & Corporate Development (281) 647-4035 Diamond Offshore Announces Relisting on NYSE HOUSTON, March 24, 2022 – Diamond Offshore Drilling, Inc. (“Diamond” or the “Company”) today announced that the Company has received approval to relist its unrestricted common stock on the New York Stock Exchange

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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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 1-13926 DIAMOND OFFSHORE DRILLING, I

List of Subsidiaries of Diamond Offshore Drilling, Inc.

EX-21.1 2 ck0000949039-ex211.htm EX-21.1 Exhibit 21.1 SUBSIDIARIES Subsidiary Jurisdiction of Organization Diamond Foreign Asset Company Cayman Diamond Offshore Drilling (UK) Ltd England Diamond Offshore Drilling Limited Cayman Diamond Offshore Finance Company Delaware Diamond Offshore International Limited Cayman Diamond Offshore International, L.L.C. Delaware Diamond Offshore Limited England Dia

Regulation FD Disclosure

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 7, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commi

As filed with the Securities and Exchange Commission on February 10, 2022

As filed with the Securities and Exchange Commission on February 10, 2022 Registration No.

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 February 10, 2022

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 February 10, 2022 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Diamond Offshore Drilling, Inc. Withdrawal of Registration Statement on Form S-4 Filed March 18, 1997 File No. 333-23547 Ladies and Gentlemen: Pursuant to Rule 47

As filed with the Securities and Exchange Commission on February 10, 2022

As filed with the Securities and Exchange Commission on February 10, 2022 Registration No.

As filed with the Securities and Exchange Commission on February 10, 2022

As filed with the Securities and Exchange Commission on February 10, 2022 Registration No.

As filed with the Securities and Exchange Commission on February 10, 2022

As filed with the Securities and Exchange Commission on February 10, 2022 Registration No.

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): January 21, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

ANNUAL MEETING OF DIAMOND OFFSHORE DRILLING, INC. (the “Company”) to be held at 15415 Katy Freeway, Houston, Texas, on Friday, January 21, 2022, at 8:30 a.m. Central Time for Holders as of December 3, 2021 This proxy is being solicited on behalf of t

EX-99.2 Exhibit 99.2 ANNUAL MEETING OF DIAMOND OFFSHORE DRILLING, INC. (the “Company”) to be held at 15415 Katy Freeway, Houston, Texas, on Friday, January 21, 2022, at 8:30 a.m. Central Time for Holders as of December 3, 2021 This proxy is being solicited on behalf of the Board of Directors. W The undersigned hereby appoints Bernie Wolford, Jr. and David L. Roland, and each or either of them, as

DIAMOND OFFSHORE DRILLING, INC.

Table of Contents Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. January 3, 2022 Dear Stockholder: You are cordially invited to attend the annual meeting of stockholders of Diamond Offshore Drilling, Inc. to be held at the company?s headquarters located at 15415 Katy Freeway, Houston, Texas 77094, on Friday, January 21, 2022, at 8:30 a.m. local time. Details regarding admission to the meeting and th

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): January 3, 2022 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Com

Entry into a Material Definitive Agreement, 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): December 29, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Settlement Agreement, dated December 29, 2021, by and among Diamond Offshore Drilling, Inc., Avenue Capital Management II, L.P. and Avenue Energy Opportunities Fund II AIV, L.P.(incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on December 30, 2021).

Exhibit 10.1 SETTLEMENT AGREEMENT This Settlement Agreement (?Agreement?) is made as of December 29, 2021 (?Effective Date?) among, on the one hand, Diamond Offshore Drilling, Inc. (together with its Board of Directors, the ?Company?) and, on the other hand, Avenue Capital Management II, L.P. (?Avenue Capital?) and Avenue Energy Opportunities Fund II AIV, L.P. (?AEOF? and, together with Avenue Cap

Regulation FD Disclosure

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 30, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Regulation FD Disclosure

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 8, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Co

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 (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 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 1-13926 DIAMOND

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): September 17, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (

Specimen Executive Performance-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K filed on September 3, 2021).

Exhibit 10.2 [Executive Officers Specimen] DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This EXECUTIVE PERFORMANCE-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this ?Agreement?) is made as of July 1, 2021 (the ?Grant Date?) between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), an

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): September 1, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (C

Supplemental Severance Plan (incorporated by reference to Exhibit 10.3 to our Current Report on Form 8-K filed on September 3, 2021).

Exhibit 10.3 DIAMOND OFFSHORE DRILLING, INC. SUPPLEMENTAL SEVERANCE PLAN ARTICLE I INTRODUCTION AND ESTABLISHMENT OF PLAN The Board hereby adopts, as of the Effective Date, the Diamond Offshore Drilling, Inc. Supplemental Severance Plan (the ?Plan?). The Plan is intended to offer severance benefits to Participants in the event of certain terminations of employment from the Company. The Plan, as a

Specimen Time-Vesting Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on September 3, 2021).

EX-10.1 2 d216389dex101.htm EX-10.1 Exhibit 10.1 [Executive Officers Specimen] DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT This TIME-VESTING RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made as of July 1, 2021 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”),

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 31, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Com

As filed with the Securities and Exchange Commission on August 27, 2021

S-1/A 1 d180977ds1a.htm S-1/A Table of Contents As filed with the Securities and Exchange Commission on August 27, 2021 Registration No. 333-257281 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DIAMOND OFFSHORE DRILLING, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 August 27, 2021

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 August 27, 2021 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Ms. Liz Packebusch, Staff Attorney Ms. Laura Nicholson, Special Counsel Re: Diamond Offshore Drilling, Inc. Registration Stateme

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 (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 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 1-13926 DIAMOND OFFSH

Regulation FD Disclosure

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 3, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) [ X ] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the t

List of Subsidiaries of Diamond Offshore Drilling, Inc.

Exhibit 21.1 SUBSIDIARIES Subsidiary Jurisdiction of Organization Diamond Offshore Finance Company Delaware Diamond Offshore Services, LLC Delaware Diamond Offshore General, LLC Delaware Diamond Offshore Limited England Diamond Offshore International L.L.C. Delaware Diamond Offshore Drilling Limited Cayman Diamond Foreign Asset Company Cayman Diamond Offshore Drilling (UK) Limited England

As filed with the Securities and Exchange Commission on June 22, 2021

S-1 1 d180977ds1.htm S-1 Table of Contents As filed with the Securities and Exchange Commission on June 22, 2021 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DIAMOND OFFSHORE DRILLING, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 1381 76-0321760 (State or Other

As filed with the Securities and Exchange Commission on May 24, 2021

As filed with the Securities and Exchange Commission on May 24, 2021 Registration No.

Restricted Stock Award Agreement, dated as of May 8, 2021, between Diamond Offshore Drilling, Inc. and Bernie Wolford, Jr. with respect to the time-vesting award (incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K filed on May 13, 2021).

Exhibit 10.2 Execution DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN RESTRICTED STOCK AWARD AGREEMENT This RESTRICTED STOCK AWARD AGREEMENT (this ?Agreement?), is made as of May 8, 2021 (the ?Grant Date?) between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), and Bernie Wolford, Jr. (the ?Participant?), and is made pursuant to the terms of the Compan

Restricted Stock Award Agreement, dated as of May 8, 2021, between Diamond Offshore Drilling, Inc. and Bernie Wolford, Jr. with respect to the performance-vesting award (incorporated by reference to Exhibit 10.3 to our Current Report on Form 8-K filed on May 13, 2021).

EX-10.3 4 d21180dex103.htm EX-10.3 Exhibit 10.3 Execution DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN RESTRICTED STOCK AWARD AGREEMENT This RESTRICTED STOCK AWARD AGREEMENT (this “Agreement”), is made as of May 8, 2021, 2021 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and Bernie Wolford, Jr. (the “Participant”), and is

Employment Agreement, dated as of May 8, 2021, between Diamond Offshore Drilling, Inc. and Bernie Wolford, Jr. (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on May 13, 2021).

Exhibit 10.1 Execution EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this ?Agreement?) is entered into as of May 8, 2021 (the ?Effective Date?), and is made by and between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), and Bernie Wolford, Jr. (the ?Executive?) (collectively the ?Parties?). Capitalized terms used but not otherwise defined herein shall have the meaning as

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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 7, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Commiss

Samir Ali

EX-99.1 5 d21180dex991.htm EX-99.1 Exhibit 99.1 Contact: Samir Ali Vice President, Investor Relations & Corporate Development (281) 647- 4035 Diamond Offshore Names CEO Houston, Texas – May 10, 2021 - Diamond Offshore Drilling, Inc. (“Diamond” or the “Company”) announced today that Bernie G. Wolford Jr. has been named the Company’s President and Chief Executive Officer and will also serve on the B

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 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 1-13926 DIAMOND OFFS

Annual Report - 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 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 1-13926 DIAMOND

Third Amended and Restated Certificate of Incorporation of Diamond Offshore Drilling, Inc. (incorporated by reference to Exhibit 3.1 to our Current Report on Form 8-K filed on April 29, 2021).

EX-3.1 2 d176125dex31.htm EX-3.1 Exhibit 3.1 EXECUTION VERSION THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF Diamond Offshore Drilling, Inc. Diamond Offshore Drilling, Inc. (the “Corporation”), a corporation organized and existing under the General Corporation Law of the State of Delaware, as it now exists or may hereafter be amended and supplemented (the “DGCL”), hereby certifies as

Senior Secured Term Loan Credit Agreement, dated as of April 23, 2021, by and among Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, the lenders party thereto, Wells Fargo Bank, National Association, as administrative agent and collateral agent, Wells Fargo Securities, LLC, Barclays Bank PLC, Citigroup Global Markets Inc., HSBC Securities (USA) Inc., and Truist Bank, as joint lead arrangers and joint bookrunners (incorporated by reference to Exhibit 10.1 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.1 Execution Version Published CUSIP Number: G2863YAA8 Term Loan CUSIP Number: G2863YAB6 $100,000,000 TERM LOAN AGREEMENT dated as of April 23, 2021, among DIAMOND OFFSHORE DRILLING, INC., as Parent, DIAMOND FOREIGN ASSET COMPANY, as Borrower, the Lenders referred to herein, as Lenders, and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent and Collateral Agent, WELLS FARGO

Second Amended and Restated Bylaws of Diamond Offshore Drilling, Inc. (incorporated by reference to Exhibit 3.2 to our Current Report on Form 8-K filed on April 29, 2021).

EX-3.2 3 d176125dex32.htm EX-3.2 Exhibit 3.2 EXECUTION VERSION Second Amended and Restated Bylaws of Diamond Offshore Drilling, Inc. (a Delaware corporation) Table of Contents Page Article I - Corporate Offices 1 Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 Article II - Meetings of Stockholders 1 Section 2.1 Place of Meetings 1 Section 2.2 Annual Meeting 1 Section 2.3 Special Meetin

Side Letter between Diamond Offshore Drilling, Inc. and Marc Edwards (incorporated by reference to Exhibit 10.8 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.8 EXECUTION VERSION Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, TX 77094 April 22, 2021 Marc Edwards c/o Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, TX 77094 Dear Mr. Edwards: As you are aware, Diamond Offshore Drilling, Inc. (the ?Company?) filed a petition proposing a Chapter 11 plan of reorganization to implement a restructuring o

Warrant Agreement, dated as of April 23, 2021, by and among Diamond Offshore Drilling, Inc., Computershare, Inc. and Computershare Trust Company, N.A. (incorporated by reference to Exhibit 10.3 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.3 WARRANT AGREEMENT BETWEEN DIAMOND OFFSHORE DRILLING, INC. AND COMPUTERSHARE, INC. COMPUTERSHARE TRUST COMPANY, N.A. DATED April 23, 2021 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.1 Definition of Terms 2 Section 1.2 Accounting Terms and Determinations 5 Section 1.3 Rules of Construction 5 ARTICLE II APPOINTMENT OF WARRANT AGENT 6 Section 2.1 Appointment 6 Section 2.2 Res

Senior Secured Revolving Credit Agreement, dated as of April 23, 2021, by and among Diamond Offshore Drilling, Inc., Diamond Foreign Asset Company, the lenders party thereto, Wells Fargo Bank, National Association, as administrative agent, collateral agent and issuing lender, Wells Fargo Securities, LLC, Barclays Bank PLC, Citigroup Global Markets Inc., HSBC Securities (USA) Inc., and Truist Bank, as joint lead arrangers and joint bookrunners (incorporated by reference to Exhibit 10.2 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.2 Execution Version Published CUSIP Number: G2863YAC4 Revolving Credit CUSIP Number: G2863YAD2 PIK Loan CUSIP Number: G2863YAE0 $400,000,000 CREDIT AGREEMENT dated as of April 23, 2021, among DIAMOND OFFSHORE DRILLING, INC., as Parent, DIAMOND FOREIGN ASSET COMPANY, as Borrower, the Lenders referred to herein, as Lenders, and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Age

Changes in Control of Registrant, 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, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, 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): April 23, 2021 Diamond Offshore Drilling, Inc. (Exact name of registrant as specified in its charter) Delaware 1-13926 76-0321760 (State or other jurisdiction of incorporation) (Comm

Form of Indemnification Agreement of Diamond Offshore Drilling, Inc. (incorporated by reference to Exhibit 10.4 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.4 INDEMNIFICATION AGREEMENT This Indemnification Agreement (this ?Agreement?) is entered into as of , 20 , by and between Diamond Offshore Drilling, Inc., a Delaware corporation (the ?Company?), and (the ?Indemnitee?). RECITALS WHEREAS, competent and experienced persons may be reluctant to serve or continue to serve as directors, managers and/or officers of legal entities or in other ca

Registration Rights Agreement, dated as of April 23, 2021, by and among Diamond Offshore Drilling, Inc. and the holders party thereto (incorporated by reference to Exhibit 10.5 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (including all exhibits hereto and as may be amended, supplemented or amended and restated from time to time in accordance with the terms hereof, this ?Agreement?) is made and entered into as of April 23, 2021, by and among Diamond Offshore Drilling, Inc. (the ?Company?), the other parties signatory hereto and any additi

Diamond Offshore Drilling, Inc. Severance Plan (incorporated by reference to Exhibit 10.9 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.9 DIAMOND OFFSHORE DRILLING, INC. SEVERANCE PLAN ARTICLE I INTRODUCTION AND ESTABLISHMENT OF PLAN The Board hereby adopts, as of the Effective Date, the Diamond Offshore Drilling, Inc. Severance Plan (the ?Plan?). The Plan is intended to offer severance benefits to Participants in the event of certain terminations of employment from the Company. The Plan, as a ?severance pay arrangement

IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION In re: DIAMOND OFFSHORE DRILLING, INC., et al.,1 Debtors. ) ) ) ) ) ) ) ) Chapter 11 Case No. 20-32307 (DRJ) (Jointly Administered) NOTICE OF CONFIRMATION AND O

Exhibit 99.2 IN THE UNITED STATES BANKRUPTCY COURT FOR THE SOUTHERN DISTRICT OF TEXAS HOUSTON DIVISION In re: DIAMOND OFFSHORE DRILLING, INC., et al.,1 Debtors. ) ) ) ) ) ) ) ) Chapter 11 Case No. 20-32307 (DRJ) (Jointly Administered) NOTICE OF CONFIRMATION AND OCCURRENCE OF EFFECTIVE DATE PLEASE TAKE NOTICE THAT on April 8, 2021 (the ?Confirmation Date?), the Honorable David R. Jones, United Stat

Diamond Offshore Drilling, Inc. 2021 Long-Term Stock Incentive Plan (incorporated by reference to Exhibit 10.6 to our Current Report on Form 8-K filed on April 29, 2021).

Exhibit 10.6 DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN Section 1. Purpose. The purposes of this Diamond Offshore Drilling, Inc. 2021 Long-Term Stock Incentive Plan are to promote the interests of the Company and its stockholders by (i) attracting and retaining employees and directors of, and consultants to, the Company and its Subsidiaries, as defined below; (ii) motivati

Form of Director Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.7 to our Current Report on Form 8-K filed on April 29, 2021).

EX-10.7 11 d176125dex107.htm EX-10.7 Exhibit 10.7 DIAMOND OFFSHORE DRILLING, INC. 2021 LONG-TERM STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT This RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), is made as of []1, 2021 (the “Grant Date”) between Diamond Offshore Drilling, Inc., a Delaware corporation (the “Company”), and [] (the “Participant”), and is made pursuant to the t

Indenture, dated as of April 23, 2021, among Diamond Foreign Asset Company, Diamond Finance, LLC, the guarantors party thereto, Wilmington Savings Fund Society, FSB, as trustee, and Wells Fargo Bank, National Association, as collateral agent (including the form of Global Note attached thereto) (incorporated by reference to Exhibit 4.1 to our Current Report on Form 8-K filed on April 29, 2021).

EX-4.1 4 d176125dex41.htm EX-4.1 Exhibit 4.1 Execution Version INDENTURE Dated as of April 23, 2021 Among DIAMOND FOREIGN ASSET COMPANY, DIAMOND FINANCE, LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO, WILMINGTON SAVINGS FUND SOCIETY, FSB, as Trustee and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Collateral Agent 9.00%/11.00%/13.00% SENIOR SECURED FIRST LIEN PIK TOGGLE NOTES DUE 2027 TABL

- T-3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM T-3 FOR APPLICATIONS FOR QUALIFICATION OF INDENTURES UNDER THE TRUST INDENTURE ACT OF 1939 DIAMOND FOREIGN ASSET COMPANY DIAMOND FINANCE, LLC (Issuers) Brasdril Sociedade de Perfura??es Ltda. Diamond Offshore (Brazil) L.L.C. Diamond Offshore, LLC Diamond Offshore Drilling (Overseas) L.L.C. Diamond Offsh

Delaware The First State

EX-99.T3A.12 4 d118029dex99t3a12.htm EX-99.T3A.12 Exhibit T3A.12 Delaware The First State Page 1 I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THAT THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF CONVERSION OF A DELAWARE CORPORATION UNDER THE NAME OF “DIAMOND OFFSHORE GENERAL COMPANY” TO A DELAWARE LIMITED LIABILITY COMPANY, CHANGING ITS NAME F

FIRST AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT DIAMOND OFFSHORE GENERAL, LLC A DELAWARE LIMITED LIABILITY COMPANY

EX-99.T3B.12 5 d118029dex99t3b12.htm EX-99.T3B.12 Exhibit T3B.12 FIRST AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF DIAMOND OFFSHORE GENERAL, LLC A DELAWARE LIMITED LIABILITY COMPANY THIS AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT (this “Agreement”) of DIAMOND OFFSHORE GENERAL, LLC (the “Company”) dated as of the 19th day of April 2021 is executed and adopted by Diamon

LIMITED LIABILITY COMPANY AGREEMENT DIAMOND OFFSHORE SERVICES, LLC A DELAWARE LIMITED LIABILITY COMPANY

EX-99.T3B.18 7 d118029dex99t3b18.htm EX-99.T3B.18 Exhibit T3B.18 LIMITED LIABILITY COMPANY AGREEMENT OF DIAMOND OFFSHORE SERVICES, LLC A DELAWARE LIMITED LIABILITY COMPANY THIS LIMITED LIABILITY COMPANY AGREEMENT (this “Agreement”) of DIAMOND OFFSHORE SERVICES, LLC (the “Company”) dated as of the 20th day of April 2021 is executed and adopted by Diamond Offshore Finance Company, a Delaware corpora

FIRST AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT DIAMOND OFFSHORE, LLC A DELAWARE LIMITED LIABILITY COMPANY

EX-99.T3B.5 3 d118029dex99t3b5.htm EX-99.T3B.5 Exhibit T3B.5 FIRST AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF DIAMOND OFFSHORE, LLC A DELAWARE LIMITED LIABILITY COMPANY THIS AMENDED AND REST A TED LIMITED LIABILITY COMPANY AGREEMENT (this “Agreement”) of DIAMOND OFFSHORE, LLC (the “Company”) dated as of the 19th day of April 2021 is executed and adopted by Diamond Foreign Asset Co

Delaware The First State

EX-99.T3A.5 2 d118029dex99t3a5.htm EX-99.T3A.5 Exhibit T3A.5 Delaware The First State Page 1 I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THAT THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF CONVERSION OF A DELAWARE CORPORATION UNDER THE NAME OF “DIAMOND OFFSHORE COMPANY” TO A DELAWARE LIMITED LIABILITY COMPANY, CHANGING ITS NAME FROM “DIAMOND

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 April 22, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Diamond Offshore Drilling, Inc. Form T-3 (File No. 022-29092) Ladies and Gentlemen: We refer to the Application for the qualification of Indenture on Form T-3 (File No. 022-29092)

Delaware The First State

EX-99.T3A.18 6 d118029dex99t3a18.htm EX-99.T3A.18 Exhibit T3A.18 Delaware The First State Page 1 I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THAT THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF CONVERSION OF A DELAWARE CORPORATION UNDER THE NAME OF “DIAMOND OFFSHORE SERVICES COMPANY” TO A DELAWARE LIMITED LIABILITY COMPANY, CHANGING ITS NAME

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 April 22, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Diamond Offshore Drilling, Inc. Form T-3 (File No. 022-29092) Ladies and Gentlemen: We refer to the letter request of Diamond Offshore Drilling, Inc. (the “Company”) filed on April

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094

Diamond Offshore Drilling, Inc. 15415 Katy Freeway, Suite 100 Houston, Texas 77094 April 19, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Diamond Offshore Drilling, Inc. Form T-3 (File No. 022-29092) Ladies and Gentlemen: We refer to the Application for the qualification of Indenture on Form T-3 (File No. 022-29092)

BYLAWS DIAMOND OFFSHORE FINANCE COMPANY Article I

Exhibit T3A.11 BYLAWS OF DIAMOND OFFSHORE FINANCE COMPANY Article I Offices Section 1. Registered Office. The registered office of the Corporation required by the General Corporation Law of the State of Delaware to be maintained in the State of Delaware shall be the registered office named in the original Certificate of Incorporation of the Corporation or such other office as may be designated fro

CERTIFICATE OF INCORPORATION No. 943475 I hereby certify that RIMROCK (U.K.) LIMITED is this day incorporated under the Companies Acts 1948 to 1967 and that the Company is Limited. Given under my hand at London the 2nd December, 1960. Assistant Regis

Exhibit T3A.16 CERTIFICATE OF INCORPORATION No. 943475 I hereby certify that RIMROCK (U.K.) LIMITED is this day incorporated under the Companies Acts 1948 to 1967 and that the Company is Limited. Given under my hand at London the 2nd December, 1960. Assistant Registrar of Companies CERTIFICATE OF INCORPORATION ON CHANGE OF NAME No. 943475 I hereby certify that RIMROCK (U.K.) LIMITED having by spec

10 and be available at the office of the Company for inspection by the shareholders from the date of notice until the end of the meeting. 3. Failing an explicit reservation, the ultimate determination of the balance sheet and profit and loss statemen

Exhibit T3B.17 Baker & McKenzie The undersigned: Mark Peter Bongard, Esq., a civil-law notary in Amsterdam, declares that the attached document is a fair English translation of the deed of amendment to the articles of association of the private company with limited liability: DIAMOND OFFSHORE NETHERLANDS B.V. (formerly known as: Odeco DIAMOND OFFSHORE NETHERLANDS B.V. Established at Amsterdam Deed

BYLAWS YORKTOWN DRILLING LIMITED Article I

Exhibit T3B.18 Exhibit A BYLAWS OF YORKTOWN DRILLING LIMITED Article I Offices Section 1. Registered Office. The registered office of the Corporation required by the General Corporation Law of the State of Delaware to be maintained in the State of Delaware, shall be the registered office named in the original Certificate of Incorporation of the Corporation, or such other office as may be designate

I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “DIAMOND OFFSHORE SERVICES COMPANY”, FILED IN THIS OFFICE ON THE TWENTY-FOURTH DAY OF

Exhibit T3A.18 I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF ?DIAMOND OFFSHORE SERVICES COMPANY?, FILED IN THIS OFFICE ON THE TWENTY-FOURTH DAY OF SEPTEMBER, A.D. 2003, AT 7:06 O?CLOCK P.M. A FILED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO THE NEW CASTLE COUNTY RECORDER OF DEE

THE COMPANIES ACT 1985 COMPANY LIMITED BY SHARES MEMORANDUM OF ASSOCIATION of DIAMOND OFFSHORE DRILLING (UK) LIMITED 1. The Company’s name is DIAMOND OFFSHORE DRILLING (UK) LIMITED. 2. The Company’s registered office is to be situated in England and

Exhibit T3B.7 THE COMPANIES ACT 1985 COMPANY LIMITED BY SHARES MEMORANDUM OF ASSOCIATION of DIAMOND OFFSHORE DRILLING (UK) LIMITED 1. The Company?s name is DIAMOND OFFSHORE DRILLING (UK) LIMITED. 2. The Company?s registered office is to be situated in England and Wales. 3. The objects for which the Company is established are: (A) (i) To carry on the business of general merchants, to buy, sell, man

EFFECTIVE ARTICLES OF INCORPORATION OF THE LIMITED LIABILITY COMPANY DIAMOND OFFSHORE DRILLING COMPANY N.V

Exhibit T3B.8 EFFECTIVE ARTICLES OF INCORPORATION OF THE LIMITED LIABILITY COMPANY DIAMOND OFFSHORE DRILLING COMPANY N.V The undersigned: Hans P. Sluyser, residing in Curacao, acting in the capacity as managing director of the limited liability company ATC Trustees (Curacao) N.V., established in Curacao, which company acts as managing director of the limited liability company: ?DIAMOND OFFSHORE DR

THE COMPANIES LAW (2002 Revision) Company Limited by Shares MEMORANDUM & ARTICLES OF ASSOCIATION OF Diamond Offshore Drilling Limited

Exhibit T3A.9 THE COMPANIES LAW (2002 Revision) Company Limited by Shares MEMORANDUM & ARTICLES OF ASSOCIATION OF Diamond Offshore Drilling Limited TABLE OF CONTENTS MEMORANDUM OF ASSOCIATION The Name of the Company 1 The Registered Office of the Company 1 The Objects for which the Company is established 1 The Liability of the Members 1 The Capital of the Company 2 ARTICLES OF ASSOCIATION Table A

State of Delaware Secretary of State Division of Corporations Delivered 01:30 PM 10/31/2003 FILED 01:09 PM 10/31/2003 SRV 030700819 – 0918987 FILE

Exhibit T3A.6 PAGE 2 I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE DO HEREBY CERTIFY THAT THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF ?DIAMOND OFFSHORE DRILLING (OVERSEAS) L.L.C.? FILED IN THIS OFFICE ON THE THIRTY-FIRST DAY OF OCTOBER, A.D. 2003, AT 1:09 O?CLOCK P.M. Harriet Smith Windsor, Secretary of State 0918987 8100V AUTHENTICATION: 2723

CRIDLANDS PTY. LTD. ATTN: MAURITA BAKER GPO BOX 1302 DARWIN NT 0801 FORM 245 remove this top section if desired before framing Certificate of Registration on Change of Name Corporations Law

Exhibit T3A.12 CRIDLANDS PTY. LTD. ATTN: MAURITA BAKER GPO BOX 1302 DARWIN NT 0801 FORM 245 remove this top section if desired before framing Certificate of Registration on Change of Name Corporations Law Sub-section 171 (12) This is to certify that DIAMOND M GENERAL COMPANY Australian Company Number 050 122 051 did on the first day of July 1993 change its name to DIAMOND OFFSHORE GENERAL COMPANY

THE COMPANIES ACT (AS AMENDED) COMPANY LIMITED BY SHARES AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION DIAMOND FOREIGN ASSET COMPANY Adopted by Special Resolution dated 9 April 2021

Exhibit T3A.1 THE COMPANIES ACT (AS AMENDED) COMPANY LIMITED BY SHARES AMENDED AND RESTATED MEMORANDUM OF ASSOCIATION OF DIAMOND FOREIGN ASSET COMPANY Adopted by Special Resolution dated 9 April 2021 1. The name of the company is ?Diamond Foreign Asset Company? (the ?Company?), an exempt company incorporated in the Cayman Islands. 2. The registered office of the Company shall be situated at Centra

BYLAWS DIAMOND OFFSHORE FINANCE COMPANY Article I

Exhibit T3B.5 BYLAWS OF DIAMOND OFFSHORE FINANCE COMPANY Article I Offices Section 1. Registered Office. The registered office of the Corporation required by the General Corporation Law of the State of Delaware to be maintained in the State of Delaware shall be the registered office named in the original Certificate of Incorporation of the Corporation or such other office as may be designated from

1. “AAR6U55L* A29 THE COMPANIES ACT 2006 26/11/2008 360 COMPANIES HOUSE PRIVATE COMPANY LIMITED BY SHARES WRITTEN RESOLUTIONS of DIAMOND OFFSHORE LIMITED (the “Company”) Circulation Date: 24 November 2008 Pursuant to Chapter 2 of Part 13 of the Compa

Exhibit T3B.16 1. ?AAR6U55L* A29 THE COMPANIES ACT 2006 26/11/2008 360 COMPANIES HOUSE PRIVATE COMPANY LIMITED BY SHARES WRITTEN RESOLUTIONS of DIAMOND OFFSHORE LIMITED (the ?Company?) Circulation Date: 24 November 2008 Pursuant to Chapter 2 of Part 13 of the Companies Act 2006, the directors of the Company propose that the resolutions set out below are passed as special resolutions (the ?Special

THE COMPANIES ACT (AS AMENDED) COMPANY LIMITED BY SHARES AMENDED AND RESTATED ARTICLES OF ASSOCIATION DIAMOND FOREIGN ASSET COMPANY Adopted by Special Resolution dated 9 April 2021

Exhibit T3B.1 THE COMPANIES ACT (AS AMENDED) (REVISED) COMPANY LIMITED BY SHARES AMENDED AND RESTATED ARTICLES OF ASSOCIATION OF DIAMOND FOREIGN ASSET COMPANY Adopted by Special Resolution dated 9 April 2021 INTERPRETATION 1. In these Articles of Association, Table A of the First Schedule to the Statute (as defined below) does not apply and, unless there is something in the subject or context inco

INDENTURE Dated as of April [23], 2021 DIAMOND FOREIGN ASSET COMPANY, DIAMOND FINANCE, LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO, WILMINGTON SAVINGS FUND SOCIETY, FSB, as Trustee WELLS FARGO BANK, NATIONAL ASSOCIATION, as Collateral Age

Exhibit T3C.1 INDENTURE Dated as of April [23], 2021 Among DIAMOND FOREIGN ASSET COMPANY, DIAMOND FINANCE, LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO, WILMINGTON SAVINGS FUND SOCIETY, FSB, as Trustee and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Collateral Agent 9.00%/11.00%/13.00% SENIOR SECURED FIRST LIEN PIK TOGGLE NOTES DUE 2027 CROSS-REFERENCE TABLE* Trust Indenture Act Section

CERTIFICATE OF FORMATION DIAMOND OFFSHORE HOLDING, L.L.C. December 2, 2002

Exhibit T3A.13 PAGE 1 I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF ?DIAMOND OFFSHORE HOLDING, L.L.C.?, FILED IN THIS OFFICE ON THE THIRD DAY OF DECEMBER, A.D. 2002, AT 10:30 O?CLOCK A.M. Harriet Smith Windsor, Secretary of State 3597213 8100 AUTHENTICATION: 2121566 020739636 DATE:

TOELICHTING Aandelen op naam Bij de naamloze vennootschap komen zowel bewijzen van aandeel op naam als bewijzen van aandeel aan toonder voor. Bij de besloten vennootschap met beperkte aansprakelijkheid kent men geen aandeelbewijzen, daar hier uitslui

Exhibit T3A.17 Exhibit T3A17REGISTER VAN AANDEELHOUDERS van de besloten vennootschap met beperkte aansprakelijkheid DIAMOND OFFSHORE NETHERLANDS B.V. ODECO Netherlands B.V. gevestigd te Amsterdam bij akte van De vennootschap is opgericht 1 juli 1985 verleden voor Mr J.C.F. Pons notaris te Amsterdam Statuten gewijzigd bij akte van verleden voor notaris te 27 juli 1994 Mr H. van Wilsum (naams- Amste

CERTIFICATE OF INCORPORATION ON CHANGE OF NAME Company No. 2767959

Exhibit T3A.7 CERTIFICATE OF INCORPORATION ON CHANGE OF NAME Company No. 2767959 The Registrar of Companies for England and Wales hereby certifies that SHELFCO (NO. 846) LIMITED having by special resolution changed its name, is now incorporated under the name of DIAMOND OFFSHORE DRILLING (UK) LIMITED. Given at Companies House, London, the 26th May 1993 MR. C. CARR For The Registrar Of Companies C

: 6747036 graphic to come COMPANIES ACTS 1985 AND 2006 PRIVATE COMPANY LIMITED BY SHARES MEMORANDUM OF ASSOCIATION of DIAMOND OFFSHORE ENTERPRISES LIMITED 1 The name of the Company is “Diamond Offshore Enterprises Limited” 2 The registered office of

Exhibit T3B.10 COMPANY NUMBER: 6747036 graphic to come COMPANIES ACTS 1985 AND 2006 PRIVATE COMPANY LIMITED BY SHARES MEMORANDUM OF ASSOCIATION of DIAMOND OFFSHORE ENTERPRISES LIMITED 1 The name of the Company is ?Diamond Offshore Enterprises Limited? 2 The registered office of the Company is to be situated in England and Wales 3 The object of the Company is to carry on business as a general comme

THE COMPANIES LAW (2001 Second Revision) COMPANY LIMITED BY SHARES MEMORANDUM & ARTICLES Diamond Offshore International Limited

Exhibit T3B.14 THE COMPANIES LAW (2001 Second Revision) COMPANY LIMITED BY SHARES MEMORANDUM & ARTICLES OF ASSOCIATION OF Diamond Offshore International Limited TABLE OF CONTENTS MEMORANDUM OF ASSOCIATION The Name of the Company 1 The Registered Office of the Company 1 The Objects for which the Company is established 1 The Liability of the Members 1 The Capital of the Company 2 ARTICLES OF ASSOCIA

THE COMPANIES LAW (2001 Second Revision) COMPANY LIMITED BY SHARES ARTICLES OF ASSOCIATION Diamond Offshore International Limited TABLE A

Exhibit T3A.14 THE COMPANIES LAW (2001 Second Revision) COMPANY LIMITED BY SHARES ARTICLES OF ASSOCIATION OF Diamond Offshore International Limited TABLE A The Regulations contained or incorporated in Table ?A? in the First Schedule of the Companies Law (2001 Second Revision) shall not apply to this Company and the following Articles shall comprise the Articles of Association of the Company: INTER

Delaware The First State

Exhibit T3A.2 Delaware The First State Page 1 I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF ?DIAMOND FINANCE, LLC?, FILED IN THIS OFFICE ON THE SIXTH DAY OF APRIL, A.D. 2021, AT 8:27 O`CLOCK P.M. /s/ Jeffrey W. Bullock Jeffrey W. Bullock, Secretary of State 5286358 8100 SR# 2021119942

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT DIAMOND OFFSHORE HOLDING, L.L.C.

Exhibit T3B.13 AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF DIAMOND OFFSHORE HOLDING, L.L.C. THIS AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT (this ?Agreement?) of DIAMOND OFFSHORE HOLDING, L.L.C. (the ?Company?) dated as of October 6, 2008, is executed and adopted by Diamond Offshore International Limited, a company formed and existing under the laws of the Cayman Isla

THE COMPANIES ACTS 1985 AND 2006 PRIVATE COMPANY LIMITED BY SHARES ARTICLES OF ASSOCIATION—of—DIAMOND RIG INVESTMENTS LIMITED PRELIMINARY 1. In these Articles “Table A” means Table A in the Schedule to the Companies (Tables A to F) Regulations 1985 a

Exhibit T3B.19 THE COMPANIES ACTS 1985 AND 2006 PRIVATE COMPANY LIMITED BY SHARES ARTICLES OF ASSOCIATION?of?DIAMOND RIG INVESTMENTS LIMITED PRELIMINARY 1. In these Articles ?Table A? means Table A in the Schedule to the Companies (Tables A to F) Regulations 1985 as amended by the Companies (Tables A to F) (Amendment) Regulations 2007 and the Companies (Table A to F) (Amendment) (No.2) Regulations

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT DIAMOND OFFSHORE DRILLING (OVERSEAS) L.L.C.

Exhibit T3B.6 AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF DIAMOND OFFSHORE DRILLING (OVERSEAS) L.L.C. THIS AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT (this ?Agreement?) of DIAMOND OFFSHORE DRILLING (OVERSEAS) L.L.C. (the ?Company?) dated as of October 6, 2008 is executed and adopted by Diamond Offshore International Limited, a company formed and existing under the law

THE COMPANIES LAW (2002 Revision) Company Limited by Shares ARTICLES OF ASSOCIATION OF Diamond Offshore Drilling Limited TABLE A The Regulations contained or incorporated in Table ‘A’ in the First Schedule of the Companies Law (2002 Revision) shall n

Exhibit T3B.9 THE COMPANIES LAW (2002 Revision) Company Limited by Shares ARTICLES OF ASSOCIATION OF Diamond Offshore Drilling Limited TABLE A The Regulations contained or incorporated in Table ?A? in the First Schedule of the Companies Law (2002 Revision) shall not apply to this Company and the following Articles shall comprise the Articles of Association of the Company: INTERPRETATION 1. In thes