Ariba Named to Software Magazine’s 27th Annual Software 500

Ariba, Inc. (Nasdaq:ARBA), the leading spend management solutions provider, today announced its inclusion on Software Magazine’s Software 500, a revenue-based ranking of the world’s largest software and services providers. Now in its 27th year, the Software 500 is designed to help CIOs, senior IT managers and IT staff research and create a short list of business partners by providing a quick reference of vendor viability. Ariba was ranked 121 on the list, based on 2008 software and services revenue of $328 million.

"The 2009 Software 500 results show that revenue growth in the software and services industry was healthy, with total Software 500 revenue of $491.3 billion worldwide for 2008 representing 8.8% growth from the previous year,” says John P. Desmond, editor of Software Magazine and Softwaremag.com.

In evaluating companies, Software Magazine collected financial information through a survey prepared by King Content Co. and posted at www.Softwaremag.com, as well as from public documents. The magazine then ranked companies based on total software and services revenue for 2008, which includes revenues from software licenses, maintenance and support, training and software-related services and consulting.

"No one can be certain when the global recession will end. But one thing is certain – when it does, we will be operating under a new state of normal that will require businesses to be more agile than ever before,” said Ahmed Rubaie, Chief Financial Officer, Ariba. "Our flexible, SaaS-based delivery model and spend management focus provides the foundation upon which companies can build the kind of agile supply chain that will be required to deliver results. As a result, we continue to see demand for our solutions from companies of all sizes across industries and geographies. We are pleased to be recognized for our performance by Software Magazine as part of the 2009 Software 500.”

To view the complete 2009 Software 500 rankings, visit www.Softwaremag.com

About Digital Software Magazine, the Software Decision Journal and Softwaremag.com

Digital Software Magazine, the Software Decision Journal, has been a brand name in the high-tech industry for 30 years. Softwaremag.com, its Web counterpart, is the online catalog to enterprise software and the home of the Software 500 ranking of the world’s largest software and services companies. Software Magazine and Softwaremag.com are owned and operated by King Content Co.

About Ariba, Inc.

Ariba, Inc. is the leading provider of on-demand spend management solutions. Our mission is to transform the way companies of all sizes, across all industries, and geographies operate by delivering technology, service, and network solutions that enable them to holistically source, contract, procure, pay, manage, and analyze their spend and supplier relationships. Delivered on demand, our enterprise-class offerings empower companies to achieve greater control of their spend and drive continuous improvements in financial and supply chain performance. More than 1,000 companies, including more than half of the companies on the Fortune 100, use Ariba solutions to manage their spend from sourcing and orders through invoicing and payment. For more information, visit www.ariba.com

Copyright © 1996 – 2009 Ariba, Inc.

Ariba, the Ariba logo, AribaLIVE, SupplyWatch, Ariba.com, Ariba.com Network and Ariba Spend Management. Find it. Get it. Keep it. are registered trademarks of Ariba, Inc. Ariba Spend Management, Ariba. This is Spend Management, Ariba Solutions Delivery, Ariba Analysis, Ariba Buyer, Ariba Category Management, Ariba Category Procurement, Ariba Contract Compliance, Ariba Contracts, Ariba Contract Management, Ariba Contract Workbench, Ariba Data Enrichment, Ariba eForms, Ariba Invoice, Ariba Payment, Ariba Sourcing, Ariba Spend Visibility, Ariba Travel and Expense, Ariba Procure-to-Pay, Ariba Workforce, Ariba Supplier Network, Ariba Supplier Connectivity, Ariba Supplier Performance Management, Ariba Content Procurement, Ariba PunchOut, Ariba QuickSource, PO-Flip, Ariba Spend Management Knowledge Base, Ariba Ready, Ariba Supply Lines, Ariba Supply Manager, Ariba LIVE, It’s Time for Spend Management and Supplier Lifecycle Management are trademarks or service marks of Ariba, Inc. All other brand or product names may be trademarks or registered trademarks of their respective companies or organizations in the United States and/or other countries.

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 current expectations include, but are not limited to: the impact of the credit crises on Ariba’s results of operations and financial condition; 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, long and unpredictable sales cycles and the deferrals of anticipated orders; declining economic conditions, including the impact of a recession; inability to control costs; changes in the company's pricing or compensation policies; significant fluctuations in our stock price; the outcome of and costs associated with pending or potential future regulatory or legal proceedings; the impact of our acquisitions, including the disruption or loss of customer, business partner, supplier or employee relationships; and the level of costs and expenses incurred by Ariba as a result of such transactions. 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 with the SEC on August 7, 2009.