Commerce One to Implement Auction Services for EventSource.com; Online Meeting Planning Site to Offer Customers Time and Cost Savings Through Online Auctions

Business Wire, May 9, 2000

Business Editors/Technology Writers

PLEASANTON, Calif.--(BUSINESS WIRE)--May 9, 2000

Commerce One, Inc. (NASDAQ: CMRC), the leader in global e-commerce solutions for business, and EventSource.com, the leading business-to-business e-commerce network for meeting planning, today announced that Commerce One Auction Services is now available on the newly launched EventSource.com Web site. The new EventSource.com website features personalized web pages for corporate meeting planners, robust content listings, and newly automated auction capabilities.

Commerce One Auction Services offers a real-time Internet bidding solution for buyers and sellers encompassing reverse auction/e-RFQ, forward auction and exchanges. Event planners will be able to use "The Auction" section of the EventSource.com site to participate in real-time auctions, and may be able to save significantly on group room rates and other meeting needs. Hotel and conference properties with available space will be able to compete to provide the best rates and overall meeting packages, based on a planner's meeting specifications. In addition, planners will be able to bid on hotel properties with excess capacity.

"Online auctions are changing the way our customers plan meetings and events," said Brian Langer, founder and vice president business development of EventSource.com. "By working with Commerce One to develop our auction site, we've been able to quickly and easily offer customers a product that is simple for them to use and shows immediate results in time and cost savings."

"We believe adding Commerce One Auction Services to the EventSource.com site provides meeting and event planners with a quick and easy way to find the best meeting space at the best price," said Liron Petrushka, vice president of Commerce One Auction Services. "EventSource.com uses online auctions to simplify and improve the meeting planning process."

In addition to The Auction, EventSource.com's new website features three new components: My Meetings; Resource Center; and Networking & News. Meeting planners who use the free site will receive a telephone call from EventSource.com's team of experienced meeting specialists within 30 minutes of receipt of their information request. EventSource.com's meeting specialists work closely with hotels to respond to a planner's criteria request within 24 hours. Hotels will now have the opportunity to respond online through the site to all requests that are sent to their properties. Planners now have 24x7 web access to their personalized meeting information and can view hotel responses in real-time or at their convenience.

About EventSource.com

Created in 1998, EventSource.com is the leading business-to-business e-commerce network for meeting planning. Corporate professionals use EventSource.com to easily plan conferences, meetings, training, tradeshows, and sales and incentive programs. The site's My Meetings service is a fast and easy way to locate and secure the perfect site for a meeting. EventSource.com has managed more than 30,000 event requests to more than 500 cities worldwide and is backed by a team of meeting and hotel planning experts. EventSource.com was named one of the "Top Ten Travel Sites for 1999" by Business Travel News magazine and "one of the most-used sites" by Successful Meetings magazine. Financing for EventSource.com is led by Sequoia Capital, a top venture capital firm with a successful track record investing in Internet companies including Yahoo!, eToys and Cisco.

About Commerce One

Commerce One (NASDAQ: CMRC) is the leader in global e-commerce solutions for business. Through its products, portals and services, Commerce One creates access to worldwide markets, allowing anyone to buy from anyone, anytime, anywhere. The Commerce One Global Trading Web is the world's largest business-to-business trading community. Comprised of many e-marketplaces, the Global Trading Web provides unprecedented economies of scale for buying organizations, suppliers, and service providers worldwide. Commerce One is located in Pleasanton, Calif., and can be reached by phone at (800) 308-3838 or (925) 520-6000 or via the Internet at http://www.commercone.com/.> Forward Looking Statements

Certain statements made in this press release by Commerce One, including those describing the expected benefits of combining Commerce One Auction Services with EventSource.com, are not historical facts but are "forward looking statements" and may involve risks and uncertainties which could cause actual future results to differ materially and adversely from those anticipated by such statements. Included among the factors that could affect Commerce One's performance are: the ability of Auction Services to integrate with EventSource.com; general economic conditions; fluctuations in operating results; and market acceptance of the technology and the EventSource.com Web site. For a discussion of these and other risk factors that could affect Commerce One's business, see "Risk Factors" in Commerce One's filings with the Securities and Exchange Commission, including its annual report on Form 10-K for the year ended December 31, 1999.