Ariba Sets the Stage for the Future of Spend Management at ''LIVE 2004 Phoenix''.

Business Editors/High-Tech Writers

LIVE 2004 Phoenix

SUNNYVALE, Calif.--(BUSINESS WIRE)--March 11, 2004

Annual Event Features Keynote Presenters from American Express 

Company, ExxonMobil, British Airways, Gartner Research

Ariba(R), Inc. (Nasdaq:ARBA), the leading Enterprise Spend Management (ESM) solutions provider, today announced its agenda for LIVE 2004 Phoenix, held May 2-5 at the Arizona Biltmore Resort & Spa in Phoenix, Ariz.

LIVE 2004 Phoenix is Ariba's sixth annual gathering featuring industry luminaries and thought leaders in procurement from around the world. Attendees will interact with leading companies to learn how Enterprise Spend Management is moving to the frontlines of business to become a hallmark of today's most productive and cost efficient organizations.

Keynote presenters at Ariba LIVE 2004 include:

-- Gary Crittenden, executive vice president and CFO, American

Express Company;

-- Jean A. Baderschneider, vice president, Procurement,

ExxonMobil Global Services Company;

-- Silla Maizey, procurement director, British Airways; and

-- Andy Kyte, vice president and Gartner Fellow, Gartner

Research.

In addition, Ariba executives Bob Calderoni, president and CEO; Craig Federighi, chief technology officer; and Michael Schmitt, executive vice president and chief marketing officer, will address attendees at the conference's general session.

"Ariba's conferences are designed to provide first-hand knowledge about how the Ariba community of companies, partners and suppliers are using spend management to solidify their positions of industry leadership," said Michael Schmitt, chief marketing officer and EVP of strategy, Ariba. "Our LIVE series of conferences have evolved into an important source of information about the tools and strategies necessary to build leading ESM solutions that help companies achieve the kind of spend control and savings that contribute directly to their bottom line."

Over 50 Conference Sessions

Ariba LIVE 2004 will offer attendees more than 50 small group conference sessions highlighting successful projects by Ariba customers, partners and suppliers. Many sessions will include integrated demonstrations of Ariba Spend Management solutions. In addition, a Partner Showcase and Supplier Pavilion will feature more than 40 vendors demonstrating innovative products and services that enhance and extend Ariba's core solutions.

Conference tracks include:

-- Category Procurement

-- Contract Management

-- eInvoice and Travel & Entertainment

-- Enterprise Spend Management

-- Enterprise Spend Visibility

-- Strategic Sourcing

-- Procurement Compliance

-- Supplier Solutions

More information about the conference, including registration details, is available at www.aribalive.com.

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 650-390-1000 or at www.ariba.com.

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 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-K/A filed January 28, 2004 and in its Form S-4 filed February 12, 2004.

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.