Atlas Energy Solutions acquisitions, on the record

Word for word“Recent Developments Hi-Crush Acquisition On February 26, 2024, Atlas entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Hi-Crush, pursuant to which Atlas will acquire substantially all of Hi-Crush’s Permian Basin proppant production and North American logistics businesses and operations (the “Hi-Crush Transaction”).” 10-K for 2023

Word for word““ Moser Purchase Agreement ” refer to the Stock Purchase Agreement, dated January 27, 2025 by and among the Company and among Wyatt Holdings, LLC, a Delaware limited liability company and wholly-owned subsidiary of the Company, and Moser Holdings, LLC, a Delaware limited liability company; 3 • “ Moser Registration Rights Agreements ” refer to the registration rights agreement pursuant to the terms of the Moser Purchase Agreement; • “ NYSE ” refer to The New York Stock Exchange; • “ Old Atlas ” refer to AESI Holdings Inc., a Delaware corporation and the Company’s public company predecessor (f/k/a Atlas Energy Solutions Inc.); • “ Old Atlas Class A Common Stock ” refer to shares of Class A common stock, par value $0.01 per share, of Old Atlas; • “ Old Atlas Class B Common Stock ” refer to shares of Class B common stock, par value $0.01 per share, of Old Atlas; • “ Old Atlas Common Stock ” refer to the Old Atlas Class A Common Stock and Old Atlas Class B Common Stock, collectively; • “ Opco Merger ” refer to the merger of Opco Merger Sub with and into Atlas Operating, with Atlas Operating continuing as the surviving company, pursuant to the Master Reorganization Agreement; • “ Opco Merger Sub ” refer to Atlas Operating Merger Sub, LLC, a Delaware limited liability company; • “ OPEC+ ” refer to the Organization of Petroleum Exporting Countries and other oil producing nations; • “ Operating Units ” refer to membership interests in Atlas Operating.; • “ Original Registration Rights Agreement ” refer to that certain Registration Rights Agreement, dated March 8, 2023, by and among Old Atlas and certain Legacy Owners; • “ Original Stockholders’ Agreement ” refer to that certain Stockholders’ Agreement, dated March 8, 2023, by and among Old Atlas and the Principal Stockholders; • “ Previous Atlas Operating LLC Agreement ” refer to the Amended and Restated Limited Liability Company Agreement of Atlas Operating, dated March 8, 2023; • “ Principal Stockholders ” refer to certain stockholders party to the A&R Stockholders’ Agreement or the Original Stockholders’ Agreement, as applicable; • “ PubCo Merger Sub ” refer to AESI Merger Sub Inc., a Delaware corporation; • “ PubCo Merger ” refer to the merger of PubCo Merger Sub with and into Old Atlas, with Old Atlas continuing as the surviving corporation and a wholly-owned subsidiary of the Company, pursuant to the Master Reorganization Agreement; • “ Sarbanes-Oxley Act ” refer to the Sarbanes-Oxley Act of 2002, as amended; • “Sealy Smith” refer to The Sealy & Smith Foundation; • “ SEC ” refer to the U.S. Securities and Exchange Commission;” 10-K for 2024

Word for word““Hi-Crush Transaction” refer to the acquisition of the Permian Basin proppant production and logistics businesses and operations of Hi-Crush, in exchange for mixed consideration totaling $456.1 million, subject to customary post-closing adjustments;” 10-K for 2024

Word for word“On July 28, 2025, Atlas LLC entered into the PropFlow Purchase Agreement with BCA HoldCo and certain other signatories thereto, pursuant to which Atlas LLC acquired 100% of the membership interests in PropFlow, and its wholly owned subsidiaries, for approximately $25.0 million in cash, subject to customary post-closing adjustments.” 10-K for 2025

Word for word“Moser Acquisition On February 24, 2025, the Company completed the Moser Acquisition pursuant to the Moser Purchase Agreement by and among Wyatt Holdings, LLC, a Delaware limited liability company and an indirectly wholly-owned subsidiary of the Company (the “Purchaser”), Moser Holdings, LLC, a Delaware limited liability company (the “Seller”), and for the limited purposes set forth therein, the Company (together with the Purchaser and the Seller, the “Parties”), pursuant to which the Purchaser acquired (i) 100% of the authorized, issued and outstanding equity ownership interests in Moser AcquisitionCo, and (ii) Moser Engine Service, Inc.” 10-K for 2025