Item 5. Other Information

On May 19, 2024, Kim K.W. Rucker, a member of the board of directors of the Company, adopted a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act providing for the potential sale of 7,392 shares of our common stock, provided that our common stock is at or higher than a limit price specified in the trading plan with such sales scheduled to occur between August 19, 2024 and August 19, 2025. The trading plan will terminate on August 19, 2025, subject to early termination for certain specified events set forth in the trading plan.

No other director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of MPC adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K), during the quarter ended June 30, 2024.

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