Vice President & Controller — Anish K. Shah: The filing discloses the external hire of a new Vice President & Controller and Principal Accounting Officer, which is a significant management addition but not a departure of a sitting executive.

Regulation FD Disclosure On August 13, 2026, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Regulation FD Disclosure On May 7, 2026, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Chief Financial Officer — Donald R. Smith, Jr.: Donald R. Smith, Jr. was promoted to Senior Vice President, Chief Financial Officer and Treasurer.

Regulation FD Disclosure On February 12, 2026, Murphy USA Inc. issued a news release announcing a dividend declaration. The full text of this news release is attached hereto as Exhibit 99.1.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

CEO — Mindy K. West: The filing details the compensation package for Mindy K. West's promotion to CEO, which is a succession event rather than a departure.

CEO — R. Andrew Clyde: The CEO is retiring with a pre-announced, named internal successor (President/COO) taking over effective the next day, indicating an orderly succession rather than a sudden loss of leadership.

Director — Michael G. Kulp: The filing announces the appointment of a new non-employee director to the board, which is a routine governance event and not a departure of a senior executive.

Results of Operations and Financial Condition On October 29, 2025, Murphy USA Inc. issued a news release announcing its financial results for the three and nine months ended September 30, 2025. The full text of this news release is attached hereto as Exhibit 99.2.

CEO — R. Andrew Clyde: The CEO is retiring with a named internal successor (COO) and a planned transition period, indicating an orderly succession rather than a sudden loss of leadership.

Regulation FD Disclosure On October 29, 2025, the Company issued a news release announcing that the Board took action on October 23, 2025, to authorize a new share repurchase program of up to $2.0 billion to begin upon completion of the current $1.5 billion program authorization. This new authorization will expire on December 31, 2030. Further, the Board also approved a dividend declaration which included a rate increase from the previous quarter. This dividend will be payable on December 1,…

Chief Financial Officer — Galagher Jeff: The departure of the Chief Financial Officer is a significant change in management.

Regulation FD Disclosure On August 14, 2025, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Regulation FD Disclosure On May 1, 2025, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.

Director — David C. Haley: The filing announces the appointment of a new non-employee director to the Board, which is a routine governance event and not a departure of a senior executive.

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant On April 7, 2025, Murphy USA Inc. (“ Murphy USA ”) entered into a Refinancing Facility Agreement among Murphy USA, Murphy Oil USA, Inc. (“ Murphy Oil USA ”), Royal Bank of Canada, as term administrative agent (in such capacity, “ RBC ”), JPMorgan Chase Bank, N.A., as revolving administrative agent (in such capacity, “ JPM ”), and the lenders party thereto (the “ Refinancing Facili…

Regulation FD Disclosure On February 13, 2025, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

and Item 9.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to liabilities of that Section, nor shall they be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

Regulation FD Disclosure On October 24, 2024, Murphy USA Inc. issued a news release announcing a dividend declaration which included a rate increase from the previous quarter. The full text of this news release is attached hereto as Exhibit 99.1.