PRESS RELEASE

NEW YORK, NY and MUMBAI, INDIA, May 24, 2010 (MARKETWIRE via COMTEX) --WNS (NYSE: WNS), a leading provider of business process outsourcing services and solutions was named a 2009 FAO (Finance and Accounting Outsourcing) Market Star Performer by Everest, a global consulting and research firm that analyzes the sourcing market. WNS's strong performance in 2009, including new contract signings and its ability to increase organic growth, contributed to the company's top ranking.

"WNS's commitment to boosting the sales pipeline and achieving organic growth led to our market leadership position," said Sulakshana Patankar, Business Unit Leader, Finance and Accounting Services, WNS Global Services. "We are honored to be recognized as a FAO Market Star Performer along with other industry leaders and are committed to continue to set benchmarks in service delivery."

Everest Global, Inc. identified the top 2009 FAO Market Star Performers based on the relative movement on the Everest PEAK matrix for FAO from 2008 to 2009 of 20+ FAO suppliers. Everest assessed the performance of each of the suppliers across a number of parameters for each of the key dimensions of the PEAK matrix for FAO: market success in 2009 based on ACV growth, number of new contract signings, number of contract extensions and value contract signings in 2009 as well as capability advancements in 2009 based on scale, scope, and delivery footprint expansion and investment in technology.

About WNS

WNS (NYSE: WNS) is a leading global business process outsourcing company. Deep industry and business process knowledge, a partnership approach, comprehensive service offering and a proven track record enables WNS to deliver business value to some of the leading companies in the world. WNS is passionate about building a market-leading company valued by our clients, employees, business partners, investors and communities. For more information, visit www.wns.com.

Safe Harbor Statement under the provisions of the United States Private Securities Litigation Reform Act of 1995
These forward-looking statements are based on our current expectations, assumptions, estimates and projections about our Company and our industry. The forward-looking statements are subject to various risks and uncertainties. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "anticipate," "believe," "estimate," "expect," "intend," "will," "project," "seek," "should" and similar expressions. We caution you that reliance on any forward-looking statement involves risks and uncertainties, and that although we believe that the assumptions on which our forward-looking statements are based are reasonable, any of those assumptions could prove to be inaccurate, and, as a result, the forward-looking statements based on those assumptions could be materially incorrect. These factors include but are not limited to worldwide economic and business conditions; political or economic instability in the jurisdictions where we have operations; regulatory, legislative and judicial developments; our ability to attract and retain clients technological innovation; telecommunications or technology disruptions; future regulatory actions and conditions in our operating areas; our dependence on a limited number of clients in a limited number of industries; our ability to expand our business or effectively manage growth; our ability to hire and retain enough sufficiently trained employees to support our operations; negative public reaction in the US or the UK to offshore outsourcing; increasing competition in the BPO industry; our ability to successfully grow our revenue, expand our service offerings and market share and achieve accretive benefits from our acquisition of Aviva Global Services Singapore Pte. Ltd. (which we have renamed as WNS Customer Solutions (Singapore) Private Limited following our acquisition), or Aviva Global, and our master services agreement with Aviva Global Services (Management Services) Private Limited; and our ability to successfully consummate strategic acquisitions. These and other factors are more fully discussed in our annual report on Form 20-F for the fiscal year ended March 31, 2009 filed with the U.S. Securities and Exchange Commission which is available at www.sec.gov. In light of these and other uncertainties, you should not conclude that we will necessarily achieve any plans, objectives or projected financial results referred to in any of the forward-looking statements. Except as required by law, we do not undertake to release revisions of any of these forward-looking statements to reflect future events or circumstances.

MEDIA CONTACTS:
Sumi Gupta Global
Head - Public Relations
WNS (Holdings) Limited
+91 (22) 4095 2100 +91 98330 53183
Email Contact

Emily Cleary
CJP Communications
+1 212 279 3115 ext. 257
Email Contact

SOURCE: WNS Global Services