SM Energy boosts CEO & COO LTIP targets; CEO severance multiplier raised to 3.0x

On May 21, 2026, the Company held its Annual Meeting of Stockholders (the “ Annual Meeting ”). At the Annual Meeting, the Company’s stockholders elected all of the incumbent directors that stood for reelection, and approved the two additional proposals described below. Each director was elected by a majority vote. The directors elected and the final vote tabulation for each director were as follows: Director For Against Abstain Non-Votes Barton R. Brookman 181,905,425 8,975,765 394,178 24,681,431 Morris R. Clark 190,232,507 640,712 402,150 24,681,430 Carrie M. Fox 189,498,630 1,395,871 380,870 24,681,428 Lloyd W. Helms, Jr. 190,288,834 594,145 392,392 24,681,428 Elizabeth A. McDonald 190,117,821 777,562 379,987 24,681,429 Ramiro G. Peru 189,469,778 1,410,775 394,816 24,681,430 Julio M. Quintana 170,281,740 20,600,130 393,499 24,681,430 Rose M. Robeson 184,528,251 6,366,531 380,588 24,681,429 Wouter T. Van Kempen 175,986,276 14,859,132 429,963 24,681,428 Ashwin Venkatraman 190,559,545 2

The Company’s stockholders approved the proposal to ratify the appointment by the Company’s Audit Committee of Deloitte & Touche LLP, as the Company’s independent registered public accounting firm for 2026. The final vote tabulation for that proposal was as follows: For 215,183,397 Against 325,601 Abstain 447,801

The Company’s stockholders approved, by a non-binding advisory vote, the proposal regarding the compensation of the Company’s named executive officers. The final vote tabulation for that proposal was as follows: For 181,729,629 Against 9,041,702 Abstain 504,033 Non-Votes 24,681,435