Human Resources: Vodafone Egypt Selects Callidus Software TrueComp Enterprise Software Solution for Sales Performance

SAN JOSE, Calif., May, 8 2007 - Callidus Software Inc. (Nasdaq: CALD - News), the leader in Sales Performance Management (SPM) software, today announced that Vodafone Egypt, a subsidiary of Vodafone Group Plc (NYSE: VOD), selected Callidus Software's industry-leading TrueComp® enterprise software solution to manage incentive compensation programs for its dealers, agents and sales personnel in Egypt. Under the terms of the agreement, Vodafone Egypt will use Callidus' TrueComp® SPM software modules (TrueComp® Manager, TrueInformation®, TrueResolution® and TrueAnalytics™) to optimize performance of its enterprise and distribution channels, and expects to align sales with corporate objectives and maximize revenue and profitability.

Vodafone Egypt represents the fifth Vodafone operating company to become a Callidus customer. Callidus TrueComp SPM software will standardize incentive compensation and sales performance management practices for thousands of payees in Vodafone Egypt's channels, representing more than 90% of Vodafone Egypt's total revenue. TrueComp software will keep teams aligned with business objectives, help drive revenue, and optimize profitability. Vodafone Egypt will experience the advantages of TrueComp software, which substitutes costly and time-consuming efforts around sales force and compensation management, with the automation afforded by the industry's leading SPM software solution.

"Callidus Software was Vodafone's choice to enhance our compensation system, enable modeling and forecasting, and increase flexibility for the implementation of incentives across our sales channels," said Richard Daly, Chief Commercial Officer of Vodafone Egypt.

"We are pleased that Vodafone Egypt joins our list of existing Vodafone customers and partners as the company moves forward with standardizing on Callidus' TrueComp solution," said Leslie Stretch, senior vice president of worldwide sales at Callidus Software. "Vodafone Egypt recognizes the significant strategic advantage they gain in a fiercely competitive environment by aligning sales with corporate strategy through the industry's leading SPM solutions."

Callidus' SPM software solutions deliver a high ROI in a very short period of time by allowing sales executives to make better incentive decisions, providing timely visibility into channel operations, and giving them the flexibility to rapidly deploy new sales and distribution strategies and tactics.

About Callidus Software®
Callidus Software (www.callidussoftware.com, Nasdaq: CALD) is a leading provider of on-premise and on-demand Sales Performance Management (SPM) solutions to global companies across multiple industries. Callidus' products allow enterprises to strategically manage incentive compensation, establish quota targets, and align territories, resulting in improved sales and distribution performance. Customers/Partners include 7-Eleven, Accenture, CUNA Mutual, HP, IBM, Philips Medical Systems, Sun Microsystems and Wachovia.

About Vodafone Egypt
Vodafone Egypt provides a full range of communication services, including voice and data, all across Egypt. Since its inception in 1998, the company has drawn on the global strength of Vodafone Group as well as its own in-house research and development of innovative products tailored specifically for the Egyptian mobile market.

Vodafone Egypt now boasts a team of more than 3000 employees serving more than 8.7 million customers (Dec. 2006) nationwide. The company's success is anchored on the superiority of its network, excellence in customer service, leadership in the innovation of new products and, most of all, a focused growth strategy. Vodafone Egypt offers roaming services through agreements with more than 380 partners from more than 140 countries.

More information about Vodafone Egypt can be found at www.vodafone.com.eg

© 2007 Callidus Software Inc. All rights reserved. Callidus Software, the Callidus Software logo, Callidus TrueAnalytics, TrueChannel, TrueComp, TrueComp Datamart, TrueFoundation, TrueQuota, TrueComp Grid, TrueComp Manager, TrueInformation, TrueIntegration, TruePerformance, TrueReferral, TrueResolution, TrueService and TrueSupport are trademarks of Callidus Software Inc. in the United States and other countries. All other brand, service or product names are trademarks or registered trademarks of their respective companies or owners.

© Vodafone Pty Limited 2004: VODAFONE and the Vodafone logos are trade marks of the Vodafone Group. Other product and company names mentioned herein may be the trade marks of their respective owners.

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