Company: ACIW
Filing Date: 2025-08-07
Form Type: 10-Q
Source: 0000935036-25-000019
Chunk: 14

Company: ACI WORLDWIDE, INC.
Filing Date: 2025-08-07
Form: 10-Q
Item: Part II, Item 2
Chunk 14
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xley Act of 200232.02**Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.101.SCHXBRL Taxonomy Extension Schema101.CALXBRL Taxonomy Extension Calculation Linkbase101.LABXBRL Taxonomy Extension Label Linkbase101.PREXBRL Taxonomy Extension Presentation Linkbase101.DEFXBRL Taxonomy Extension Definition Linkbase104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)____________

**    This certification is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent that the Company specifically incorporates it by reference.

Paper Exhibit

(1)Incorporated herein by reference to Exhibit 3.1 to the registrant’s current report on Form 8-K filed August 17, 2017.

(2)Incorporated herein by reference to Exhibit 3.1 to the registrant’s current report on Form 8-K filed April 1, 2022.

(3)Incorporated herein by reference to Exhibit 4.01 to the registrant’s Registration Statement No. 33-88292 on Form S-1.

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SIGNATURE

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 thereunto duly authorized. ACI WORLDWIDE, INC.(Registrant)Date: August 7, 2025By:/s/ ROBERT W. LEIBROCKRobert W. LeibrockExecutive Vice President, Chief Financial Officer and Chief Accounting Officer(Principal Financial Officer)

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