Mercator to Issue Fourth Quarter Financial Results On February 5th.

Business Editors/High-Tech Writers

WILTON, Conn.--(BUSINESS WIRE)--Jan. 9, 2003

Mercator Software, Inc. (Nasdaq: MCTR) will issue its financial results for the fourth quarter of 2002 on Wednesday, February 5th, after the Nasdaq market closes.

A conference call to discuss the results will be hosted by Mercator Chairman and CEO Roy C. King at 5:00 PM ET that day. The domestic phone number for the conference call is (888) 455-8716; the international number is (712) 257-3674. The pass code for the call is "Q4 Results." The teleconference will be webcast simultaneously and can be accessed by using the link on our Web site www.mercator.com. An audio replay of the call will be available after the call. The toll-free domestic phone number for the audio replay is (888) 567-0405; the international number is (402) 998-1779. A replay of the webcast will be accessible via http://ir.mercator.com/.

A news release detailing the results of the quarter will be posted on Mercator's website, www.mercator.com, on Wednesday, February 5th.

About Mercator Software, Inc.

Mercator provides leading enterprise-wide integration software solutions to global organizations. Our solutions solve critical business problems in real time, delivering ROI while leveraging your business's current technology investment. The Mercator(R) integration suite of solutions leverages a robust, open architecture that easily and seamlessly integrates high-volume, highly complex transactions faster and with limited customization. Over 1,100 businesses in financial services, healthcare, and manufacturing, retail and distribution use Mercator(R) solutions to enhance their performance and deliver better business value and real-time results. For more information about Mercator or to learn more about our customer-focused software and services solutions, visit our Web site at www.mercator.com.