Mercator and Aatlas Commerce Provide Software Foundation to Internet Market Makers; Combined Capabilities Will Accelerate Deployment of B2B Internet Marketplaces

Business Wire, March 22, 2000

Business/Technology Editors

WILTON, Conn. and MALVERN, Pa.--(BUSINESS WIRE)--March 22, 2000

Mercator(R) Software (NASDAQ: MCTR), the e-business transformation company, and Aatlas Commerce, a leading enabler of business-to-business (B2B) Internet Marketplaces, today announced a partnership that will accelerate delivery of a wide range of XML-based applications to Internet Market Makers. With Mercator's market leading e-business integration capabilities and Internet Marketplace Software from Aatlas Commerce, Internet Market Makers can deploy extremely flexible B2B solutions that can be rapidly implemented and easily integrated with other applications using XML.

"Speed of deployment is critical to the success of an Internet Marketplace," said John Hanger, vice-president of marketing for Aatlas Commerce. "Both Aatlas and Mercator are geared to this market dynamic, with both companies providing software that significantly reduces time-to-market for e-business applications. Through our Complementary Solutions Program, Aatlas establishes partnerships with `best-of-class' application and technology providers," Hanger continued. "This program gives our customers easy access to software and services that complement our own offerings. The Aatlas-Mercator partnership reflects the unique value we bring to the market with our partnership program."

"This relationship allows our customers to take advantage of the deep functionality of Aatlas' Internet Marketplace Software, and use our bullet-proof transformation technology to speed integration of net markets and their members," said Dave Power, Mercator's vice president of marketing. "Internet Market Makers that use Aatlas to gain first mover advantage in B2B marketplaces will be able to use Mercator's XML-to-any data transformation power to create end-to-end e-business solutions. We are extremely pleased to become a preferred Aatlas technology partner and are looking forward to working with Aatlas customers on their B2B integration initiatives."

Mercator offers customers the industry's most comprehensive XML integration and transformation capabilities for deploying complex B2B integration solutions quickly, easily and cost-effectively. Customers can Internet-enable any application by exposing and transforming existing business process interfaces as XML messages to trading partners and net markets over public and private networks, and leverage their existing IT infrastructure in new B2B e-commerce initiatives. The Mercator Commerce Broker provides capabilities for managing and controlling the B2B operational environment, with expansive support for defining and managing partner relationships, establishing routing priorities, creating a secure internal messaging environment, and archiving and auditing transactions.

About Aatlas Commerce

Aatlas Commerce is a leading enabler of Internet Marketplaces, delivering the premier business-to-business (B2B) e-commerce applications for managing relationships, interactions, processes and transactions among marketplace participants. Aatlas Internet Marketplace Software is specifically designed to meet the unique needs of Internet Market Makers that require specialized e-commerce software capable of managing high value business relationships among Internet Market participants, including all elements of a transaction - from sourcing to settlement. Supporting the innovative business models of Internet Market Makers is the sole focus of Aatlas Commerce. Founded in January 1998, Aatlas Commerce is headquartered in Malvern, PA. For additional information on Aatlas Commerce, please call 610.240.0600, or visit the web site at www.aatlas.com.

About Mercator Software

Mercator, the e-business transformation company(TM), is the leading provider of e-business integration software. Our products dramatically simplify customer migration to e-business across every industry, providing unprecedented levels of automation for the most difficult e-business integration tasks.

The Mercator E-Business Integration Broker suite of products addresses customer requirements for business-to-business (B2B), application-to-application (A2A) and consumer-to-business (C2B) integration in every industry. More than 5,000 customers use our products to accelerate their transformation to e-business and over 100 partners embed or resell our technology to enhance their product or service offerings. Additional information about Mercator can be found on the Internet at www.mercator.com.

Mercator Software is the new trade name of TSI International Software, Ltd., headquartered in Wilton, Connecticut. The company will seek stockholder approval to formally change its name at an upcoming stockholders meeting.

Mercator is a registered trademark of TSI International Software Ltd., d/b/a Mercator Software. "the e-business transformation company is a trademark of TSI International Software Ltd., d/b/a Mercator Software.

Legal Notice Regarding Forward-Looking Statements

Statements in this press release that are not purely historical are forward-looking statements, including statements regarding TSI International Software Ltd.'s (the Company) beliefs, expectations, hopes or intentions regarding the future. Forward-looking statements in this release include, but are not limited to, statements regarding the growth of the enterprise application market, the demand for the Company's application integration solutions and the speed of deployment of new products, including combined Mercator E-business Integration Broker products. It is important to note that actual outcomes and the Company's actual results could differ materially from those in such forward-looking statements. Factors that could cause actual results to differ materially include risks and uncertainties such as changes in demand for application integration or e-business integration software and the Company's Mercator E-business Integration Broker suite of products in particular, the ability of the Company to expand its international operations, the ability of the Company to manage expanded global operations, the ability of the Company to continue to add resellers and other distribution channels, and the success of third parties in utilizing and marketing the Company's products, or seasonality in operating results. Readers should also refer to the risk disclosures outlined in the Company's reports filed with the Securities and Exchange Commission. All forward-looking statements and reasons why results might differ included in this release are made as of the date hereof, based on information available to the Company as of the date hereof, and the Company assumes no obligation to update any such forward-looking statement or reason why results might differ.