CORRECTED: Transaction Systems Architects Inc. Announces July 29 Date For Release Of Third Quarter 2003 Financial Results.

Business Editors

OMAHA, Neb.--(BUSINESS WIRE)--July 11, 2003

Transaction Systems Architects Inc.(NYSE:TSAI), will hold its quarterly conference call to discuss third quarter results on Tuesday, July 29, 2003, at 5:00 p.m. Eastern Time (4 p.m. Central Time).

This call is being webcast by CCBN and can be accessed at Transaction Systems Architects Inc. web site at www.tsainc.com/ir/ir.asp. The web cast will be archived for 10 days after the teleconference at the same web address.

The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com).

About Transaction Systems Architects Inc.

The Company's software facilitates electronic payments by providing consumers and companies access to their money. Its products are used to process transactions involving credit cards, debit cards, secure electronic commerce, mobile commerce, smart cards, secure electronic document delivery and payment, checks, high-value money transfers, bulk payment clearing and settlement, and enterprise e-infrastructure. The Company's solutions are used on more than 1,640 product systems in 71 countries on six continents.