Simpson Manufacturing stockholders elect all eight director nominees at annual meeting

Proposal 2: Approval, on an advisory basis, of the compensation of the Company’s named executive officers. FOR AGAINST ABSTAIN BROKER NON-VOTES 36,669,378 644,944 30,793 1,407,665 As a result, the compensation paid to the Company's named executive officers as disclosed in the Company’s proxy statement for the Annual Meeting was approved by the stockholders.

Proposal 1 : Election of Directors. Broker For Against Abstain Non-Votes James Andrasick 36,731,368 576,424 37,323 1,407,665 Chau Banks 36,967,419 356,164 21,532 1,407,665 Felica Coney 37,281,551 30,150 33,414 1,407,665 Philip Donaldson 37,206,780 117,141 21,194 1,407,665 Angela Drake 37,177,599 145,503 22,013 1,407,665 Celeste Volz Ford 36,700,436 621,885 22,794 1,407,665 Kenneth Knight 37,295,980 15,608 33,527 1,407,665 Michael Olosky 37,018,648 287,307 39,160 1,407,665 As a result, the eight individuals were elected by the stockholders as directors of the Company, each to hold office until the Company's 2027 annual meeting of stockholders or until his or her successor has been duly qualified and elected.

Proposal 3: Ratification of the selection of Grant Thornton LLP as the Company’s independent registered public accounting firm for 2026. FOR AGAINST ABSTAIN BROKER NON-VOTES 38,577,835 116,705 58,240 0 As a result, the selection of Grant Thornton LLP by the Company's board of directors as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified by the stockholders.