Arch Capital annual meeting elects directors, approves compensation; declares preferred dividends

Item 1. The vote on the election of the three Class I directors to hold office for a term of three years and until their respective successors are duly elected and qualified or their earlier resignation or removal. The voting results were as follows: NOMINEE FOR AGAINST WITHHELD BROKER NON-VOTES Francis Ebong 264,284,191 33,720,096 587,870 12,666,980 Eileen Mallesch 291,998,486 6,510,150 83,521 12,666,980 Brian S. Posner 288,275,104 10,233,019 84,034 12,666,980

Item 4 . The vote on the election of certain individuals as Designated Company Directors of certain of ACGL’s non-U.S. subsidiaries. The voting results were as follows: DIRECTOR FOR AGAINST WITHHOLD BROKER NON-VOTES Brian Chen 298,427,871 74,218 90,068 12,666,980 Crystal Doughty 298,414,408 84,856 92,893 12,666,980 Matthew Dragonetti 298,419,033 81,310 91,814 12,666,980 Seamus Fearon 298,423,349 93,001 75,807 12,666,980 Jerome Halgan 298,362,194 137,875 92,088 12,666,980 Chris Hovey 298,415,742 72,161 104,254 12,666,980 François Morin 288,962,539 9,550,613 79,005 12,666,980 David J. Mulholland 298,429,174 70,792 92,191 12,666,980 Chiara Nannini 285,207,244 13,307,088 77,825 12,666,980 Maamoun Rajeh 298,382,593 133,025 76,539 12,666,980 William Soares 298,404,342 71,728 116,087 12,666,980 Alan Tiernan 298,429,894 70,872 91,391 12,666,980 Christine Todd 298,423,644 71,524 96,989 12,666,980

Item 2 . The vote on a proposal on advisory vote to approve named executive officer compensation. The voting results were as follows: FOR AGAINST ABSTAIN BROKER NON-VOTES 280,228,167 17,650,116 713,874 12,666,980

Item 3 . The vote on the ratification of the selection of PricewaterhouseCoopers LLP as ACGL’s independent registered public accounting firm for the year ending December 31, 2026. The voting results were as follows: FOR AGAINST ABSTAIN BROKER NON-VOTES 292,837,090 18,363,136 58,911 —