FIRST FINANCIAL BANCORP /OH/ — fact timeline

FIRST FINANCIAL BANCORP /OH/ shareholders approved Advisory vote on compensation of executive officers (say-on-pay) at the 2026-05-26 meeting.

“Proposal 4 - Advisory Vote on Executive Compensation The Company’s shareholders approved the advisory vote on the compensation of the Company’s executive officers named in the proxy statement for the 2026 annual meeting of shareholders. The advisory resolution approved by the shareholders is also referred to as “say on pay.” The votes cast for and against this proposal, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes FOR AGAINST ABSTENTIONS BROKER NON-VOTES 82,796,507 1,198,027 290,102 9,847,593”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Approve First Financial Bancorp. 2026 Stock Plan at the 2026-05-26 meeting.

“Proposal 3 - First Financial Bancorp. 2026 Stock Plan The Company’s shareholders approved the First Financial Bancorp. 2026 Stock Plan. The votes cast for and against this proposal, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes FOR AGAINST ABSTENTIONS BROKER NON-VOTES 82,649,696 1,420,630 214,310 9,847,593”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Ratify appointment of Crowe LLP as independent registered accounting firm for fiscal year ending December 31, 2026 at the 2026-05-26 meeting.

“Proposal 2 - Ratification of Auditors The Company’s shareholders ratified the Audit Committee’s selection of Crowe LLP as the Company’s independent registered public accounting firm for 2026. The votes cast for and against this proposal, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes FOR AGAINST ABSTENTIONS BROKER NON-VOTES 93,734,321 365,776 32,132 N/A”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Election of ten director nominees with terms expiring in 2027 at the 2026-05-26 meeting.

“Proposal 1 - Election of Directors The Company’s shareholders elected all ten nominees for director. Each nominee will serve for a one-year term ending in 2027. For each nominee, the votes cast for and withheld, as well as the abstentions and broker non-votes, were as follows: Director Nominee Aggregate Votes FOR WITHHELD ABSTENTIONS BROKER NON-VOTES Anne L. Arvia 83,684,073 600,563 N/A 9,847,593 Vincent A. Berta 82,681,955 1,402,681 N/A 9,847,593 Archie M. Brown 83,784,148 500,488 N/A 9,847,593 Claude E. Davis 82,730,995 1,553,641 N/A 9,847,593 William J. Kramer 83,199,163 1,085,473 N/A 9,847,593 Dawn C. Morris 83,838,187 446,449 N/A 9,847,593 Thomas M. O’Brien 83,694,322 590,314 N/A 9,847,593 Andre T. Porter 83,982,786 301,850 N/A 9,847,593 Maribeth S. Rahe 81,531,437 2,753,199 N/A 9,847,593 Gary W. Warzala 83,880,462 404,174 N/A 9,847,593”

FIRST FINANCIAL BANCORP /OH/ reported the three months ended March 31, 2026 results: revenue $265.3 million on an adjusted (1) basis, net income $74.4 million, EPS $0.71 per diluted common share.

“in such filing. --- EX-99.1 (EX-99.1) --- First Financial Bancorp Announces First Quarter 2026 Financial Results • Earnings per diluted share of $0.71; $0.77 on an adjusted (1) basis • Return on average assets of 1.34%; 1.45% on an adjusted (1) basis • Net interest margin on FTE basis (1) of 3.99% • Record quarterly revenue of $265.3 million on an”

FIRST FINANCIAL BANCORP /OH/ completed an acquisition involving BankFinancial Corporation (closed 2026-01-01).

“On January 1, 2026, the Company completed its previously announced Merger with BankFinancial pursuant to the Merger Agreement.”

FIRST FINANCIAL BANCORP /OH/ incurred senior notes of $300,000,000 aggregate principal amount at 6.375% Fixed-to-Floating Rate maturing December 1, 2035.

“On November 10, 2025, First Financial Bancorp. (the “Company”) completed the issuance and sale (the “Offering”) of $300,000,000 aggregate principal amount of its 6.375% Fixed-to-Floating Rate Subordinated Notes due 2035 (the “Notes”).”

Cynthia Booth retired as Director at FIRST FINANCIAL BANCORP /OH/.

“On March 26, 2025, Cynthia Booth notified First Financial Bancorp (the “Company”) of her decision to retire as a director of the Company effective at the end of her current term.”

FIRST FINANCIAL BANCORP /OH/ reported the three months ended March 31, 2024 results: net income $50.7 million, EPS $0.53 per diluted common share.

“For the three months ended March 31, 2024, the Company reported net income of $50.7 million, or $0.53 per diluted common share.”

Susan Knust departed as Director at FIRST FINANCIAL BANCORP /OH/.

“William Barron and Susan Knust have each notified First Financial Bancorp (the “Company”) of their decisions to retire as directors of the Company effective at the end of their current terms.”

William Barron departed as Director at FIRST FINANCIAL BANCORP /OH/.

“William Barron and Susan Knust have each notified First Financial Bancorp (the “Company”) of their decisions to retire as directors of the Company effective at the end of their current terms.”

FIRST FINANCIAL BANCORP /OH/ reported twelve months ended December 31, 2023 results: EPS $2.69 per diluted share.

“For the twelve months ended December 31, 2023, First Financial had earnings per diluted share of $2.69 compared to $2.30 for the same period in 2022.”

FIRST FINANCIAL BANCORP /OH/ reported three months ended December 31, 2023 results: net income net income of $56.7 million, EPS $0.60 per diluted common share.

“For the three months ended December 31, 2023, the Company reported net income of $56.7 million, or $0.60 per diluted common share.”

FIRST FINANCIAL BANCORP /OH/ reported three and nine months ended September 30, 2023 results: net income $63.1 million, EPS $0.66 per diluted common share.

“On October 24, 2023, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first nine months and third quarter of 2023.”

FIRST FINANCIAL BANCORP /OH/ reported the three and six months ended June 30, 2023 results: net income $65.7 million, or $0.69 per diluted common share, EPS $0.69 per diluted common share.

“On July 20, 2023, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first six months and second quarter of 2023.”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Advisory vote on frequency of future advisory votes on executive compensation at the 2023-05-23 meeting.

“Item 4 - Advisory Vote on the Frequency of Future Advisory Votes on Executive Compensation The Company’s shareholders determined the frequency of future advisory votes on the compensation of the Company’s executive officers. The votes cast for a frequency of every 1 Year, 2 Years and 3 Years, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes 1 YEAR 2 YEARS 3 YEARS ABSTENTIONS BROKER NON-VOTES 65,387,402 300,805 7,460,812 323,989 N/A”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Advisory vote on executive compensation (say on pay) at the 2023-05-23 meeting.

“Item 3 - Advisory Vote on Executive Compensation The Company’s shareholders approved the advisory vote on the compensation of the Company’s executive officers named in the proxy statement for the 2023 annual meeting of shareholders. The advisory resolution approved by the shareholders is also referred to as “say on pay.” The votes cast for and against this proposal, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes FOR AGAINST ABSTENTIONS BROKER NON-VOTES 71,530,059 1,511,342 431,607 10,169,078”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Ratification of Crowe LLP as independent registered public accounting firm for fiscal year ending December 31, 2023 at the 2023-05-23 meeting.

“Item 2 - Ratification of Auditors The Company’s shareholders ratified the Audit Committee’s selection of Crowe LLP as the Company’s independent registered public account firm for 2023. The votes cast for and against this proposal, as well as the abstentions and broker non-votes, were as follows: Aggregate Votes FOR AGAINST ABSTENTIONS BROKER NON-VOTES 83,150,188 360,270 131,628 N/A”

FIRST FINANCIAL BANCORP /OH/ shareholders approved Election of twelve director nominees for terms expiring in 2024 at the 2023-05-23 meeting.

“Item 1 - Election of Directors The Company’s shareholders elected all twelve nominees for director. Each nominee will serve for a one-year term ending in 2024. For each nominee, the votes cast for and withheld, as well as the abstentions and broker non-votes, were as follows: Director Nominee Aggregate Votes FOR WITHHELD ABSTENTIONS BROKER NON-VOTES William G. Barron 72,380,964 1,092,044 N/A 10,169,078 Vincent A. Berta 72,307,952 1,165,056 N/A 10,169,078 Cynthia O. Booth 72,286,805 1,186,203 N/A 10,169,078 Archie M. Brown 72,304,384 1,168,624 N/A 10,169,078 Claude E. Davis 71,744,511 1,728,497 N/A 10,169,078 Susan L. Knust 72,174,338 1,298,670 N/A 10,169,078 William J. Kramer 71,338,649 2,134,359 N/A 10,169,078 Dawn C. Morris 73,018,563 454,445 N/A 10,169,078 Thomas M. O’Brien 72,533,294 939,714 N/A 10,169,078 Andre T. Porter 73,011,908 461,100 N/A 10,169,078 Maribeth S. Rahe 72,007,036 1,465,972 N/A 10,169,078 Gary W. Warzala 72,864,517 608,491 N/A 10,169,078”

FIRST FINANCIAL BANCORP /OH/ reported first three months of 2023 results: revenue $214.9 million, net income $70.4 million, EPS $0.74 per diluted common share.

“per diluted share of $0.74; $0.76 on an adjusted (1) basis, 65% increase YoY • Return on average assets of 1.69%; 1.72% on an adjusted (1) basis • Record quarterly revenue of $214.9 million • Net interest margin on FTE basis (1) of 4.55%; 8 bp increase from linked quarter • Loan growth of $134.4 million; 5.3% on an annualized basis • Record adjusted (1) fee income”

James M. Anderson changed role as Chief Financial Officer and Chief Operating Officer at FIRST FINANCIAL BANCORP /OH/.

“Effective April 1, 2023, James M. Anderson, currently the Chief Financial Officer of the Company, will become the Chief Financial Officer and Chief Operating Officer of the Company.”

John Gavigan departed as Chief Operating Officer at FIRST FINANCIAL BANCORP /OH/.

“On March 16, 2023 , First Financial Bancorp. (the “Company”) announced that John Gavigan, Chief Operating Officer, will separate from the Company on April 1, 2023.”

FIRST FINANCIAL BANCORP /OH/ reported the three and twelve months ended December 31, 2022 results: net income $69.1 million, EPS $0.73 per diluted common share.

“First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the twelve months and fourth quarter of 2022.”

Corinne Finnerty retired as Director at FIRST FINANCIAL BANCORP /OH/.

“Corinne Finnerty has notified First Financial Bancorp (the “Company”) of her decision to retire as a director of the Company effective at the end of her current term.”

John Neighbours departed as Director at FIRST FINANCIAL BANCORP /OH/.

“John Neighbours has notified First Financial Bancorp (the “Company”) of his decision to retire as a director of the Company effective at the end of his current term.”