Calico Commerce Powers SingleSourceIT's B2B Marketplace for Global Information Technology Supply Chain Solutions.

Business/Technology Editors

SAN JOSE, Calif.--(BUSINESS WIRE)--April 18, 2000

Calico's eBusiness Applications Help SingleSourceIT Deliver

Customized, Timely Information to Global 2000 IT Decision Makers

Calico Commerce (Nasdaq: CLIC), a leading provider of eBusiness applications that enable companies to sell over the Web, today announced that SingleSourceIT, a leading business solution provider of Web-based IT supply chain solutions, will power its site with Calico's standards-based eBusiness application suite. SingleSourceIT announced yesterday the launch of its Business-to-Business (B2B) marketplace, a one-stop-source to help Global 2000 companies manage their information technology (IT) supply chains. Calico's eBusiness applications will enable SingleSourceIT to offer customers a personalized buying experience providing advice, recommendations, configuration, pricing and the ability purchase products and services directly over the Web.

SingleSourceIT's revolutionary offering enables customers to research, acquire, reconcile, maintain and liquidate their IT assets from one, customized online location, providing uninterrupted workflow and automated reconciliation from PO to invoice across all channels within the supply chain. SingleSourceIT also provides its customers a "hub" of personalized, real-time industry information from vendor-neutral sources-including information on vertical industries-that is designed to keep IT decision-makers informed. SingleSourceIT's highly scalable system is built using best-of-class technology from Calico, Oracle, Actuate, e-Time Capital, Intira and two joint Calico partners, TIBCO and Interwoven.

Calico's eBusiness application suite will keep content organized and personalized to meet customers' needs during each site visit and help them locate the right information tailored to their requirements faster and more efficiently. Calico will also help SingleSourceIT build and manage user profiles and content, make recommendations on products and services, and proactively notify customers about price changes and new offerings. In addition to Calico's market-leading customization capabilities the flexibility of Calico's 100% Java(TM) standards-based platform will allow SingleSourceIT to continue building and expanding its site offerings while managing content and building customer loyalty. With Calico's enhanced standards-based architecture, massive scalability and application integration are readily attainable.

"It is critical that our customers receive reliable, customized information to assist them in making educated purchasing decisions. We chose Calico due to its responsiveness, superior eBusiness solutions and proven ability to demonstrate how it could solve our customers' business problems better than its competitors," said Rob Harris, President of SingleSourceIT. "Calico's world-class suite of eBusiness applications gives us the power to offer our customers a one-on-one personalized experience that will keep them coming back-and that's the kind of loyalty on which we are building our business."

"SingleSourceIT is a leading innovator in its use of our products to create an entirely user-centered buying experience for its customers," said Matt DiMaria, vice president of marketing, Calico Commerce, Inc. "The Calico Lightning Architecture and our newest product offerings have been well received by the market, and today's announcement with SSIT is an excellent example of how leading corporations are turning to Calico to meet their eBusiness needs."

About SingleSourceIT

SingleSourceIT was founded in September 1999 by senior executives from a billion dollar IT product reseller and leader in IT systems integration, who understand the challenges and complexities facing the global IT supply chain. SingleSourceIT delivers the first Web-based solution that specifically addresses the entire IT supply chain for Global 2000 companies.

SingleSourceIT is privately held with blue-chip investors that include top-tier venture capital firm Mayfield Fund and McCown DeLeeuw, a leading private equity firm. SingleSourceIT has created significant strategic relationships with such industry leaders as Ingram Micro, Aberdeen Group, Meta Group, IBM, Hewlett Packard, Compaq, Oracle, TIBCO, Intira, Interwoven, e-Time Capital, and Calico.

By leveraging e-commerce, the traditional channel, and best of breed technology, SingleSourceIT has developed a true B2B e-commerce solution that will change the way the global IT industry manages IT workflow infrastructure.

SingleSourceIT is headquartered in Columbus, Ohio. For more information, contact SingleSourceIT at 877-930-2300 or www.SingleSourceIT.com.

About Calico Commerce, Inc.

Calico Commerce, Inc. provides an eBusiness application suite that enables leading corporations to sell products and services through the Web, through existing channels and in Net Markets. Calico's open-standards eBusiness applications match unique customer needs to products to drive revenue growth, increase customer satisfaction and achieve competitive advantage. Calico customers include leaders in high-technology hardware, manufacturing, telecommunications services, financial services, home furnishings, chemicals, agriculture and retail. Calico Commerce, Inc., headquartered in San Jose, Calif., can be found on the World Wide Web at www.calico.com.

Except for the historical information contained herein, the matters discussed in news releases contain forward-looking statements that involve substantial risks and uncertainties that could cause actual results to differ materially from those expressed in or implied by such forward-looking statements. Potential risks and uncertainties are described in detail in public reports filed with the Securities and Exchange Commission such as Calico's Registration Statement on Form S-1 and on Form S-4 in connection with the ConnectInc.com acquisition.