Conference Call Scheduled for Thursday, November 5, 2026, at 8:30 a.m. ET

ACI Worldwide (NASDAQ:ACIW), an original innovator in global payments technology, announced today that it will report its financial results for the third quarter 2026 on November 5, 2026. Management will host a conference call at 8:30 a.m. ET to discuss the results.

Participants may access the call as follows:

Webcast: http://investor.aciworldwide.com/

Pre-registration (recommended): https://events.q4inc.com/analyst/936018884?pwd=TE42ZJuT

Pre-registration provides a unique passcode to join without operator assistance.

Standard Participant Dial In:

Meeting ID: 936018884

USA Toll-Free: 1 833 461 5787

International Toll: 1 585 542 9983

About ACI Worldwide

ACI Worldwide, an original innovator in global payments technology, delivers transformative software solutions that power intelligent payments orchestration in real time so banks, billers, and merchants can drive growth, while continuously modernizing their payment infrastructures, simply and securely. With more than 50 years of trusted payments expertise, we combine our global footprint with a local presence to offer enhanced payment experiences to stay ahead of constantly changing payment challenges and opportunities.

ACI, ACI Worldwide, ACI Payments, Inc., ACI Pay, Speedpay and all ACI product/solution names are trademarks or registered trademarks of ACI Worldwide, Inc., or one of its subsidiaries, in the United States, other countries or both. Other parties’ trademarks referenced are the property of their respective owners.

View source version on businesswire.com: https://www.businesswire.com/news/home/20261022727723/en/

Pierce Rohrmann

Global Head of Communications & Corporate Affairs

ACI Worldwide

c. 917.747.6410