CARREKER CORPORATION ANNOUNCES FIRST QUARTER FISCAL 2003 EARNINGS RELEASE CONFERENCE CALL

DALLAS (May 27, 2003) -- Carreker Corporation [NASDAQ: CANI], a leading provider of payments technology and consulting solutions for the financial services industry, announced today that it will host a management conference call on Tuesday, June 3, 2003 at 5:00 p.m. Eastern Time to review its first quarter fiscal 2003 financial results, for the period ended April 30, 2003.

The conference call is intended to provide a forum for a discussion of the Company’s first quarter fiscal 2003 financial results, as well as general business conditions, industry trends and other points of interest to investors.

To join the conference call, Domestic participants dial 800-361-0912, International participants dial 913-981-5559. A replay of the call will be available on Tuesday, June 3 from 8:00 p.m. Eastern Time through 11:59 p.m. Tuesday, June 10. To access the replay, Domestic participants dial 888-203-1112, International participants dial 719-457-0820. All replay participants enter the pass-code 714913.

A live webcast of the conference call, as well as the archive webcast, will be available through the Investor Relations (IR) section of the Company’s web site at http://ir.carreker.com. In addition, to increase access for both institutional and individual investors, the webcast will be distributed over Shareholder.com’s Open Distribution Network.

About Carreker Corporation

Carreker Corporation improves earnings for financial institutions around the world. The Company's integrated consulting and software solutions are designed to increase clients' revenues and reduce their expenses, while improving security and increasing the value of their customer relationships. Carreker provides products and services to more than 250 clients in the United States, Canada, the United Kingdom, Ireland, Australia, and South Africa. Clients include the full range of community, regional and large banks, among them more than 75 of the largest 100 banks in the United States. Headquartered in Dallas, Texas since 1978, Carreker Corporation also has offices located around the world including London and Sydney. For more information, visit www.carreker.com.