Ariba Enhances Electronic Invoicing Capabilities.

New, Country-Specific Functionality Embedded across Solutions Helps Companies Transition to Completely Paperless, VAT Compliant Environment

LONDON -- Ariba, Inc. (Nasdaq: ARBA), the leading spend management solutions provider, today announced that it is enhancing its electronic invoicing capabilities to make it easier than ever for companies doing business in Europe to transition to a fully automated and VAT compliant environment. The enhancements were announced at Ariba LIVE([TM]) London, the first in a global series of spend management conferences that Ariba is hosting throughout the year (www.aribalive.com).

Through new, country-specific features embedded in Ariba Electronic Invoice Presentment and Payment([TM]), Ariba Procure-to-Pay([TM]) and Ariba Supplier Network([TM]), companies of all types and sizes can implement a completely paperless, dematerialized approach to invoice presentment and payment that enables them to automatically capture, validate, process and store data electronically in accordance with country-level regulations and facilitate VAT compliance.

"Paying, reporting and getting reimbursed for VAT payments are integral parts of the electronic invoicing process and vital links in the procure-to-pay chain," said Bob Shecterle, Vice President, Solutions Marketing, Ariba. "By implementing a fully automated, end-to-end approach to invoice presentment and payment, companies can streamline these processes and drive improved productivity and cost savings."

Comprehensive Solutions for a Paper-Free Process

Ariba offers a complete range of solutions that enable companies to manage invoice presentment and payment electronically from data capture, transmission and receipt through processing, exception management and archival. Leveraging Ariba Electronic Invoice Presentment and Payment, Ariba Procure-to-Pay and Ariba Supplier Network, companies can optimize their processes and generate bottom-line results by:

* Capturing "early pay" and sourcing-negotiated discounts to reduce invoice cycle time and ensure prompt payments;

* Developing and implementing integrated cash management strategies to improve the efficiency of the entire procure-to-pay cycle;

* Tracking and analyzing spend and compliance with contract terms to increase accuracy of payments and to avoid disputes; and

* Providing access to invoices for internal and regulatory audits to drive process efficiencies and productivity improvements.

Enhanced Capabilities for Greater Automation and Compliance

Through the new features embedded in Ariba's solutions, companies doing business in Europe can facilitate VAT compliance and streamline reimbursement processes by:

* Capturing 100 percent of invoices electronically according to European regulations;

* Creating tailored invoices that contain fields required by buyers, suppliers and local tax authorities;

* Confirming completion of all data fields on reimbursement forms;

* Archiving invoices and their accompanying electronic signatures to guarantee authenticity;

* Passing invoice data to ERP systems for processing and VAT Reclaim Document submission; and

* Eliminating or minimizing the need for accompanying paper documents.

"Moving to a completely paperless environment isn't easy," Shecterle added. "But with Ariba Electronic Invoice Presentment and Payment solutions, companies can make the transition quickly and begin reaping the benefits that a fully automated approach provides."

About Ariba, Inc.

Ariba, Inc. is the leading provider of spend management solutions to help companies realize rapid and sustainable bottom line results. Successful companies around the world in every industry use Ariba Spend Management([TM]) software and services. Ariba can be contacted in the U.S. at 1.650.390.1000 or at www.ariba.com.

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Ariba, the Ariba logo, AribaLIVE and SupplyWatch are registered trademarks of Ariba, Inc. Ariba Spend Management, Ariba Spend Management. Find it. Get it. Keep it., 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 Electronic Invoice Presentment and Payment, Ariba Invoice, 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 PunchOut, Ariba QuickSource, PO-Flip, Ariba Settlement, Ariba Spend Management Knowledge Base, Ariba Ready, Ariba Supply Lines, Ariba Supply Manager, Ariba LIVE and It's Time for Spend Management are trademarks or service marks of Ariba, Inc. All other trademarks are property of their respective owners.

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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; long and unpredictable sales cycles and the deferrals of anticipated orders; declining economic conditions; 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 SEC filings, including its most recent report on Form 10-Q filed February 2, 2007.