Commerce One Announces Management Changes; Names Chuck Boynton Senior Vice President, CFO Commerce One President Dennis Jones, CFO Peter Pervere to Leave.

Business Editors

PLEASANTON, Calif.--(BUSINESS WIRE)--May 6, 2002

Commerce One, the Business Internet Company(TM), today announced that Dennis H. Jones, president and chief operating officer, will leave the company and resign his board seat effective June 30, 2002. The company also announced that Peter Pervere, senior vice president and chief financial officer, will retire from his primary duties as of May 31, 2002, but will remain with Commerce One in a consulting capacity.

Commerce One Chairman and CEO Mark Hoffman will reassume the title and responsibilities of president. The company will not seek a replacement for Jones. Commerce One also appointed Chuck Boynton to the post of senior vice president and chief financial officer, succeeding Pervere.

"Dennis has made significant contributions during his time at Commerce One," Hoffman said. "His focus on important quality and customer service initiatives will provide a solid foundation for Commerce One in the long term."

Peter Pervere joined Commerce One in 1997, leading the company's financial operations and investor relations through an initial public offering and a period of significant growth.

"Peter has done an excellent job of managing both our growth during the industry boom and our expense line as the economy became very challenging," Hoffman continued. "Most importantly, he built a world-class financial team to carry on his efforts."

Chuck Boynton, Commerce One vice president and corporate controller, will assume the title of senior vice president and CFO June 1, 2002. Boynton joined Commerce One in November 1999 and has held a leadership role in architecting and managing the company's financial operations. Prior to Commerce One, Boynton held a number of senior finance positions for Kraft Foods, Inc. Boynton is a certified public accountant and holds a master's in business administration from Northwestern University's Kellogg School of Management as well as a bachelor's degree in accounting from Indiana University's Kelley School of Business.

"Chuck has played a key role on our management team, helping guide the company through a very tough market while maintaining a long-term perspective and enabling our continued investments in research and development," Hoffman said. "We're pleased to have him take on this important role at Commerce One."

About Commerce One

Commerce One (Nasdaq:CMRC) is the Business Internet Company. Through its software, services, and global network of interconnected enterprises and e-marketplaces, Commerce One enables organizations to reduce costs and drive productivity by automating business processes between buyers and suppliers. Visit www.commerceone.com for more information.

Forward Looking Statement

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements discuss the anticipated impact of our customer service and quality initiatives and the impact the executives discussed in the release may have on the future success of the Company. The words "believe," "expect," "intend," "plan," "project," "will" and similar phrases as they relate to Commerce One are intended to identify such forward-looking statements. These statements reflect the current views and assumptions of Commerce One, and are subject to various risks and uncertainties that could cause actual results to differ materially from expectations. These factors include, but are not limited to, the following: the potential that the executives discussed in the press release may leave Commerce One and/or that the expected results will not be achieved; the possibility that Commerce One products may not meet user expectations; and the timing and size of customer demand for Commerce One products. The information provided in this press release is current as of the date of its publication. Commerce One expressly disclaims any obligation to release publicly any updates or revisions to any forward-looking statements to reflect any changes in expectations, or any change in events or circumstances on which those statements are based, unless otherwise required by law. 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, 2001.