Transaction Details

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.24 to $13.43, inclusive. The reporting person undertakes to provide to Atlas Energy Solutions Inc., any security holder of Atlas Energy Solutions Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | Includes 10,526,880 shares of common stock held by Anne and Bud Oil & Gas Vested, LLC ("Anne and Bud Vested") of which Mr. Brigham may be deemed to share the right to direct the voting or disposition of the shares held thereby as the manager of Anne and Bud Vested. Mr. Brigham disclaims beneficial ownership of the shares held by Anne and Bud Vested except to the extent of his pecuniary interest therein, if any. | Includes 1,564,346 shares of common stock held by Brigham Children's Family LP ("Brigham Children's LP") of which Mr. Brigham may be deemed to share the right to direct the voting or disposition of the shares held thereby as the co-manager of BCFP GP, LLC, which is the general partner of Brigham Children's LP. Mr. Brigham disclaims beneficial ownership of the shares held by Brigham Children's LP except to the extent of his pecuniary interest therein, if any. | Includes 2,518,721 shares of common stock held by Anne and Bud Oil & Gas Unvested, LLC ("Anne and Bud Unvested") of which Mr. Brigham may be deemed to share the right to direct the voting or disposition of the shares held thereby as the manager of Anne and Bud Unvested. Mr. Brigham disclaims beneficial ownership of the shares held by Anne and Bud Unvested except to the extent of his pecuniary interest therein, if any. | Includes 54,388 shares of common stock held by Mr. Brigham's spouse as her sole and separate property. Mr. Brigham has no right title interest in, and disclaims all ownership interest in, these shares.