Documentum, POET Software, and SAQQARA Systems Join Forces with Commerce One to Accelerate Supplier Participation in e-Marketplaces.

Business Editors and High-Tech Writers

WALNUT CREEK, Calif.--(BUSINESS WIRE)--March 29, 2000

Documentum 4i eBusiness Edition, POET eCatalog Suite, and SAQQARA

Commerce Suite Support XML Common Business Library (xCBL) Format for

Instant Access to the MarketSite Portal Solution

Commerce One, Inc. (NASDAQ: CMRC), the leader in global e-commerce solutions for business, today announced the execution of a memoranda of understanding with Documentum, POET Software, and SAQQARA Systems to deliver integrated e-catalog solutions that will enable suppliers to rapidly participate in business-to-business e-marketplaces powered by the Commerce One MarketSite Portal Solution. Documentum 4i eBusiness Edition, POET eCatalog Suite and SAQQARA Commerce Suite now support the standards-based XML Common Business Library (xCBL) that enables the seamless exchange of e-catalogs.

Under the terms of the definitive agreements which the parties expect to sign shortly, Documentum, POET, and SAQQARA are the newest three of many industry-leading companies who endorse XML Common Business Library (xCBL), an industry standard created by Commerce One, that allows any company to trade with any other, anytime through end-to-end system integration and open XML document exchange. The new partnerships enable suppliers and manufacturers to automate the selling process and make product catalogs available to Commerce One MarketSite Portal Solution based business-to-business trading communities. Suppliers can choose a solution that best suits their unique requirements, providing them with seamless access to a global e-marketplace.

"Commerce One has earned a reputation as a leader in catalog solutions for business-to-business e-commerce," said Kevin Schick, vice president product marketing of Commerce One. "By partnering with Documentum, POET, and SAQQARA, we will enhance the e-commerce catalog content functionality of the most sophisticated suppliers by providing the latest leading-edge catalog content management capabilities available today on the Commerce One MarketSite Portal Solution. We believe that the resulting end-to-end catalog solution will benefit buyers and suppliers on a global basis."

The Documentum 4i eBusiness Edition, a leading content management solution, addresses the key functional requirements of content management, site management and content delivery. The eBusiness architecture is serving high-profile Internet, intranet, and extranet sites today; Web-enabling key business processes that will integrate with the MarketSite Portal Solution based on XML Common Business Library (xCBL).

"Partnering with Commerce One enables our more than 800 global 2000 customers to build supply-side catalogs that seamlessly integrate into the world's largest network of business to business online trading communities," said Thomas Heydler, vice president and general manager of e-business applications at Documentum.

POET eCatalog Suite insulates suppliers from the inherent complexity of e-commerce by providing a standards-based method to make catalogs available within e-marketplaces. POET eCatalog Suite automatically generates catalogs that are customized for each buyer, reflecting their contract pricing, approved product selection, and more. Further, the suite is ideal for suppliers who must work with multiple exchanges, because it supports several commodity codification schemes, as well as legacy and XML eCatalog data formats.

"POET's partnership with Commerce One dramatically simplifies and strengthens the relationships between buyers and suppliers conducting business over Commerce One's global trading platform," said Dirk Bartels, President and CEO of POET Software. "POET eCatalog Suite is a user-friendly application that enables suppliers to automatically assemble custom catalogs, translate them into xCBL format, and deliver them over the Internet."

SAQQARA's Commerce Suite is an integrated set of Web server applications that enables Global 2000 manufacturers to manage and publish detailed product information with advanced product selection capabilities. It also enables the exchange of information with trading partners via the xCBL 2.0 standard and fully participates in business-to-business trading communities powered by the Commerce One MarketSite Portal Solution.

"SAQQARA's partnership with Commerce One will redefine how suppliers and manufacturers conduct business-to-business e-commerce," Don Swenson, VP, Marketing and Business Development of SAQQARA Systems. "With xCBL support of SAQQARA's Commerce Suite solution, businesses can take advantage of seamless integration and catalog exchange with multiple e-marketplaces in a highly automated global sales channel."

About Documentum

Documentum Inc. (Nasdaq: DCTM) develops, markets and supports internet-scale content management solutions that accelerate organizations' online presence. These solutions enable customers to create, deliver, and personalize content of all formats, from internal and external contributors, for business processes that extend beyond the enterprise, to all delivery channels. These customers are applying trusted content within and between their organizations for online commerce and personalized promotions, 24x7 customer and partner self-service, online exchanges, electronic procurement, collaborative planning and innovation and related e-business applications.

The company, with 21 offices worldwide, also offers a full range of global consulting services and programs, including worldwide technical support and education services through its Professional Services organization. Headquartered in Pleasanton, Calif., Documentum has licensed its products to more than 800 Global 2000 and Internet customers in a broad range of industries. For information, visit www.documentum.com.

About POET Software

POET Software, a fast growing international software company with offices in San Mateo, throughout the US, and Western Europe, is a major player in the emerging B2B Internet eCommerce market. Our eBusiness products provide a critical foundation for Internet infrastructure and content management. POET Software is publicly traded on the Frankfurt Stock Exchange (Neuer Markt: POXA).

Organizations around the world, such as Lucent, Perkin-Elmer, TAKKT AG, Minolta and Marcel Dekker use POET's software to efficiently manage and share complex information. POET Software has partnerships with leading technology companies such as Adobe, Ariba, Commerce One, Ericsson LM, General Dynamics, and Microsoft. For more information, visit the company at www.poet.com or email [e-mail].

About SAQQARA

SAQQARA was founded in 1995 and is recognized as a leading provider of electronic content management and publishing software for business-to-business electronic commerce. Its SAQQARA Commerce Suite of database-driven software applications enables businesses to create complete and structured product information databases for Web-publishing and has been deployed by leading suppliers including Agilent Technologies, AMP, Becton-Dickinson, GE, Honeywell, ITT-Canon, Philips Semiconductor, Molex, and Raychem. SAQQARA's ProductServer(R) includes a "search and compare" process known as Step Search(R), which helps users find desired products quickly to make informed buying decisions. By deploying the SAQQARA Commerce Suite, businesses have a front-end application to launch customized commerce strategies that include integration with existing enterprise systems and interoperability with supply chain partners. SAQQARA is a privately held corporation with headquarters in San Jose, California and European operations based in Paris, France. For further information about the company and its products, visit http://www.SAQQARA.com or call 1-408-325-8200.

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 Walnut Creek, Calif., and can be reached by phone at [phone] or [phone] or via the Internet at http://www.commercone.com/.

Forward Looking Statements

Certain statements made in this press release by Commerce One 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: general economic conditions; fluctuations in operating results; its ability to effectively manage future growth, to retain and efficiently integrate its executive management team, and to identify, hire, train and retain, in a highly competitive market, individuals highly skilled in the Internet and its rapidly changing technology; significant revenue concentration in a limited number of clients etc. 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 quarterly report on Form 10-Q for the quarter ended September 30, 1999.

Note to Editors: Commerce One, Many Markets. One Source., Global Trading Web, BuySite, MarketSite, Global Trading Platform, Common Business Library, XML Development Kit, XML Commerce Connector, MarketView, and SupplyOrder are either trademarks or registered trademarks of Commerce One, Inc. All other company, product, and brand names are trademarks of their respective owners.