Ariba Honored As a Top Industry Vendor by Supply & Demand Chain Executive Magazine.

SUNNYVALE, Calif. -- Publication Selects Leading Spend Management Company for 2004 Supply & Demand Chain Executive 100 Listing

Ariba(R), Inc. (Nasdaq:ARBA), the leading Spend Management (SM) solutions provider, was named by Supply & Demand Chain Executive Magazine as a leading supply and demand chain vendor. Each year, the publication announces the Supply & Demand Chain Executive 100 list, which honors the top supply chain solution providers, consultants and organizations that are helping lead and transform the way companies do business in the area of supply and demand chains.

According to the magazine, the Supply & Demand Chain Executive 100 selects only providers that demonstrate they will be around for the long-term, have relevant industry knowledge and expertise, address specific pain points in the supply chain, show a return on investment, and are continuing to drive innovation in their solutions and services offerings.

"Ariba is honored to be selected for the 2004 Supply & Demand Chain Executive 100 annual listing," said Michael Schmitt, chief marketing officer at Ariba. "As the leading spend management provider, Ariba is focused on accelerating bottom-line results for our customers, and providing greater coverage and capabilities in more areas than ever before. These types of efficiencies in spend management are critical to effective supply chain management. We are very pleased that our efforts on behalf of our customers in sourcing and procurement are also being recognized as key components of supply chain management success."

Each year, Supply & Demand Chain Executive Magazine compiles and selects the top "100" list from a pool of industry vendors. Companies that submitted nomination forms were chosen by the Supply & Demand Chain Executive Editorial Team and Advisory Board based upon a select set of criteria that includes employee headcount, financial stability, customer base, implementation and ROI, and delivery models.

The complete list of 2004 Supply & Demand Chain Executive 100 recipients are featured in the cover story of the magazine's June/July 2004 issue and can also be found online at www.SDCExec.com.

About Supply & Demand Chain Executive

Supply & Demand Chain Executive is a bi-monthly business magazine aimed at uniting the intelligence, news and tools necessary to steer the supply and demand chain management professional and business executive through the complicated, yet critical, world of supply and demand chain management.

About Ariba, Inc.

Ariba, Inc. is the leading Enterprise Spend Management (ESM) solutions provider. Ariba helps companies develop and leverage spend management as a core competency to drive significant bottom line results. Ariba Spend Management software and services allow companies to align their organizations with a spend-centric focus and deploy closed-loop processes for increased efficiencies and sustainable savings. Ariba can be contacted in the U.S. at 1.650.390.1000 or at www.ariba.com.

Ariba and the Ariba logo are registered trademarks of Ariba, Inc. Ariba Spend Management, Ariba Analysis, Ariba Buyer, Ariba Category Management, Ariba Contracts, Ariba Travel & Expense, Ariba Workforce, Ariba Invoice, Ariba eForms, Ariba Enterprise Sourcing, Ariba Supplier Network, BPM Services, Power Sourcing, Total Spend Capture and PO-Flip are trademarks or service marks of Ariba, Inc. All other trademarks are property of their respective owners.

Ariba Safe Harbor 

Safe Harbor Statement under the Private Securities Litigation Reform Act 1995: Information and announcements in this release involve Ariba's expectations, beliefs, hopes, plans, intentions or strategies regarding the future and are forward-looking statements that involve risks and uncertainties. All forward-looking statements included in this release are based upon information available to Ariba as of the date of the release, and we assume no obligation to update any such forward-looking statements. These statements are not guarantees of future performance and actual results could differ materially from our current expectations. Factors that could cause or contribute to Ariba's operating and financial results to differ materially from its current expectations include, but are not limited to: delays in development or shipment of new versions of Ariba's products and services; lack of market acceptance of Ariba's existing or future products or services; inability to continue to develop competitive new products and services on a timely basis; introduction of new products or services by major competitors; the ability to attract and retain qualified employees; difficulties in assimilating acquired companies; the impact of recent workforce reductions on Ariba's operations; lengthening sales cycles and the deferrals of anticipated orders; declining economic conditions, including a recession; inability to control costs; changes in the company's pricing or compensation policies; inability to successfully manage a reduction in the company's workforce; significant fluctuations in our stock price; the outcome of legal proceedings relating to the restatement of our financial statements; the possibility that stockholders or regulatory authorities may initiate additional proceedings against Ariba and/or our officers and directors as a result of the restatements; the impact of acquiring Alliente and Softface and entering into an agreement to acquire FreeMarkets, including the disruption or loss of customer, business partner, supplier or employee relationships; the level of costs and expenses incurred by Ariba as a result of such transactions; and the level of professional fees and expenses incurred by Ariba in connection with its previously disclosed accounting review and associated regulatory and litigation proceedings. Factors and risks associated with its business, including a number of the factors and risks described above, are discussed in Ariba's Form 10-Q filed May 17, 2004 and in its Form S-4 filed May 13, 2004.