FNB Corp: Lead director Campbell retires after 51 years; all director nominees elected, say-on-pay passes

Our independent lead director, William B. Campbell, who has been a director of F.N.B. Corporation since 1975, did not stand for re-election and retired from our Board of Directors effective May 6, 2026.

Proposal 2 - Advisory Resolution to Approve Executive Compensation The advisory resolution to approve the 2025 compensation of our named executive officers was approved by the following vote of common shareholders: For % Against % Abstain Broker Non-Votes 271,506,978 96.55 % 9,705,921 3.45 % 1,026,623 33,431,676

Proposal 3 - Ratification of FNB's Independent Registered Public Accounting Firm The ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for 2026 was approved by the following vote of common shareholders: For % Against % Abstain Broker Non-Votes 307,043,313 97.44 % 8,059,504 2.56 % 568,381 —

Proposal 1 - Election of Our Board of Directors Our ten director nominees proposed by the Board of Directors were elected to serve until the 2027 Annual Meeting by the following vote of common shareholders: Director Nominee For % Withhold % Broker Non-Votes Pamela A. Bena 274,443,637 97.24 % 7,795,885 2.76 % 33,431,676 James D. Chiafullo 252,862,537 89.59 % 29,376,985 10.41 % 33,431,676 Vincent J. Delie, Jr. 275,371,433 97.57 % 6,868,089 2.43 % 33,431,676 Mary Jo Dively 280,350,070 99.33 % 1,889,452 0.67 % 33,431,676 David J. Malone 269,040,072 95.32 % 13,199,450 4.68 % 33,431,676 Frank C. Mencini 274,450,444 97.24 % 7,789,078 2.76 % 33,431,676 David L. Motley 276,119,473 97.83 % 6,120,049 2.17 % 33,431,676 Heidi A. Nicholas 278,467,195 98.66 % 3,772,327 1.34 % 33,431,676 John S. Stanik 278,370,739 98.63 % 3,868,783 1.37 % 33,431,676 William J. Strimbu 264,398,695 93.68 % 17,840,827 6.32 % 33,431,676