FFBC

ffbc-202601280000708955false00007089552026-01-282026-01-280000708955exch:XNMS2026-01-282026-01-28

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 28, 2026

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 900Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On January 28, 2026, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first twelve months and fourth quarter of 2025. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated January 28, 2026 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:January 28, 2026

ffbc-202510230000708955false00007089552025-10-232025-10-230000708955exch:XNMS2025-10-232025-10-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 23, 2025

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 900Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On October 23, 2025, 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 2025. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated October 23, 2025 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:October 23, 2025

ffbc-202507240000708955false00007089552025-07-242025-07-240000708955exch:XNMS2025-07-242025-07-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 24, 2025

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 900Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On July 24, 2025, 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 2025. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated July 24, 2025 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:July 24, 2025

ffbc-202504240000708955false00007089552025-04-242025-04-240000708955exch:XNMS2025-04-242025-04-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 24, 2025

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 900Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On April 24, 2025, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the three months of 2025. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated April 24, 2025 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:April 24, 2025

ffbc-202501230000708955false00007089552025-01-232025-01-230000708955exch:XNMS2025-01-232025-01-23

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 23, 2025

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 900Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On January 23, 2025, 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 2024. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated January 23, 2025 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:January 23, 2025

ffbc-202410240000708955false00007089552024-10-242024-10-240000708955exch:XNMS2024-10-242024-10-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 24, 2024

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On October 24, 2024, 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 2024. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated October 24, 2024 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:October 24, 2024

ffbc-202407250000708955false00007089552024-07-252024-07-250000708955exch:XNMS2024-07-252024-07-25

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 25, 2024

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On July 25, 2024, 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 2024. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated July 25, 2024 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:July 25, 2024

ffbc-202404250000708955false00007089552024-04-252024-04-250000708955exch:XNMS2024-04-252024-04-25

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 25, 2024

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On April 25, 2024, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first three months of 2024. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated April 25, 2024 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:April 25, 2024

ffbc-202401250000708955false00007089552024-01-252024-01-250000708955exch:XNMS2024-01-252024-01-25

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 25, 2024

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On January 25, 2024, 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 2023. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated January 25, 2024 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:January 25, 2024

ffbc-202310240000708955false00007089552023-10-242023-10-240000708955exch:XNMS2023-10-242023-10-24

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 24, 2023

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

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. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated October 24, 2023 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:October 24, 2023

ffbc-202307200000708955false00007089552023-07-202023-07-200000708955exch:XNMS2023-07-202023-07-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 20, 2023

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

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. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated July 20, 2023 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:July 20, 2023

ffbc-202304200000708955false00007089552023-04-202023-04-200000708955exch:XNMS2023-04-202023-04-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 20, 2023

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On April 20, 2023, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first three months of 2023. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated April 20, 2023 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:April 20, 2023

ffbc-202301260000708955false00007089552023-01-262023-01-260000708955exch:XNMS2023-01-262023-01-26

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 26, 2023

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On January 26, 2023, 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. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated January 26, 2023 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:January 26, 2023

ffbc-202210200000708955false00007089552022-10-202022-10-200000708955exch:XNMS2022-10-202022-10-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 20, 2022

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On October 20, 2022, 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 2022. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated October 20, 2022 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:October 20, 2022

ffbc-202207210000708955false00007089552022-07-212022-07-210000708955exch:XNMS2022-07-212022-07-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 21, 2022

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On July 21, 2022, 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 2022. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated July 21, 2022 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:July 21, 2022

ffbc-202204210000708955false00007089552022-04-212022-04-210000708955exch:XNMS2022-04-212022-04-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 21, 2022

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On April 21, 2022, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first three months of 2022. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated April 21, 2022 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:April 21, 2022

ffbc-202201270000708955false00007089552022-01-272022-01-270000708955exch:XNMS2022-01-272022-01-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 27, 2022

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On January 27, 2022, 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 2021. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 8.01 Other Events.

Also on January 27, 2022, the Company announced that the Board of Directors has authorized the purchase of up to 5,000,000 shares of the Company’s common stock, representing approximately 5.31% of the Company's issued and outstanding shares of common stock as of December 31, 2021. The stock repurchase plan was effective on January 1, 2022, in replacement of the stock repurchase plan previously authorized in December 2020.

The Board of Directors reauthorized the stock repurchase plan based on the continued strength of the Company’s balance sheet and capital position. The Board believes that a stock repurchase plan is an important tool that can be utilized to enhance long term shareholder value. Share repurchases will be made periodically as permitted by securities laws and other legal requirements and will be subject to market conditions as well as other factors. Purchases may be made in the open market, through block trades or otherwise, and in privately negotiated transactions. Share purchases may be commenced or suspended at any time or periodically without prior notice. A copy of the announcement is attached as Exhibit 99.1.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated January 27, 2022 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934,

ffbc-202110210000708955false00007089552021-10-212021-10-210000708955exch:XNMS2021-10-212021-10-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 21, 2021

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On October 21, 2021, 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 2021. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated October 21, 2021 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:October 21, 2021

ffbc-202107220000708955false00007089552021-07-222021-07-220000708955exch:XNMS2021-07-222021-07-22

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 22, 2021

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On July 22, 2021, 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 2021. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated July 22, 2021 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:July 22, 2021

ffbc-202104220000708955false00007089552021-04-222021-04-220000708955exch:XNMS2021-04-222021-04-22

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 22, 2021

FIRST FINANCIAL BANCORP.

(Exact name of registrant as specified in its charter)

Ohio001-34762 31-1042001 (State or other jurisdiction of incorporation or organization)(Commission File Number) (I.R.S. employer identification number)

255 East Fifth Street, Suite 800Cincinnati,Ohio45202 (Address of principal executive offices)(Zip Code)

Registrant's telephone number, including area code: (877) 322-9530

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading symbolName of exchange on which registered Common stock, No par valueFFBCThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company     ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     ☐

Item 2.02    Results of Operations and Financial Condition.

On April 22, 2021, First Financial Bancorp. (the "Company") issued its earnings press release that included its results of operations and financial condition for the first three months of 2021. A copy of the earnings press release is attached as Exhibit 99.1.

The Company also provided electronic presentation slides that will be used in connection with the earnings conference call. A copy of the electronic presentation slides is included in this Report as Exhibit 99.2 and will be available on the Company's website, www.bankatfirst.com.

The information set forth in this Current Report on Form 8-K (including the information in Exhibits 99.1 and 99.2 attached hereto) is being furnished to the Securities and Exchange Commission and is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")    , or otherwise subject to the liabilities under the Exchange Act. Such information shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits:

The following exhibits shall not be deemed to be "filed" for purposes of the Exchange Act: Exhibit No.    Description

99.1 First Financial Bancorp. Press Release dated April 22, 2021 99.2 First Financial Bancorp. presentation materials 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FIRST FINANCIAL BANCORP.

By: /s/ James M. Anderson James M. Anderson Executive Vice President and Chief Financial Officer

Date:April 22, 2021