Liberty Energy Inc.

Rule 10b5-1 Plans

During the quarter ended September 30, 2026, none of our directors or Section 16 officers informed us of theadoption, modification, ortermination of any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (in each case, as defined in Item 408(a) of Regulation S-K).

Entry into a Material Definitive Agreement

Second Amendment to Credit Agreement

On October 20, 2026, Liberty Energy Services LLC, Freedom Proppant LLC, Liberty Power Innovations LLC, LOS Leasing Company LLC, Liberty Advanced Equipment Technologies LLC, Proppant Express Solutions, LLC and Liberty Wholesale Commodities LLC, as borrowers, and the Company, as parent guarantor, entered into the Second Amendment with JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto. The Second Amendment, which, effective as of September 30, 2026, temporarily increases the maximum permitted leverage ratio from 3.50 to 1.00 to 4.50 to 1.00 for the fiscal quarters ending September 30, 2026 through March 31, 2027, with step-downs to 4.25 to 1.00 for the fiscal quarter ending June 30, 2027, 4.00 to 1.00 for the fiscal quarter ending September 30, 2027 and 3.75 to 1.00 for the fiscal quarter ending December 31, 2027, before returning to 3.50 to 1.00 for each fiscal quarter ending on or after March 31, 2028. The Second Amendment also removed the $25.0 million limitation on the deduction of unrestricted cash and cash equivalents in calculating the leverage ratio and senior leverage ratio for purposes of testing compliance with such financial covenants when no loans are outstanding. The foregoing description of the Second Amendment is a summary only, does not purport to be complete and is qualified in its entirety by reference to the full text of the Second Amendment, a copy of which is filed as Exhibit 10.1 to this Quarterly Report and is incorporated herein by reference.

Item 6. Exhibits

The exhibits required to be filed by Item 6 are set forth in the Exhibit Index included below.