WNS to Release Fiscal 2013 Fourth Quarter and Full Year Financial and Operating Results on April 17, 2013

New York, United States and Mumbai, Maharashtra, India, Tuesday, April 09, 2013 — (Business Wire India) — WNS (Holdings) Limited (NYSE: WNS), a leading provider of global Business Process Outsourcing (BPO) services, today announced it will release its fiscal 2013 fourth quarter and full year financial and operating results at approximately 6:00 a.m. Eastern on Wednesday, April 17, 2013.

Following the release, WNS management will host a call on April 17, 2013 at 8:00 a.m. Eastern. Chief Executive Officer, Keshav Murugesh and Chief Financial Officer, Deepak Sogani will review the results of the fiscal fourth quarter and full year ended March 31, 2013 on the teleconference.

To participate in the call, please use the following details: +1-866-277-1184; international dial-in +1-617-597-5360; participant passcode 37185223.

A replay will be available for one week following the call at +1-888-286-8010; international dial-in +1-617-801-6888; passcode 99626595, as well as on the WNS website, www.wns.com , beginning two hours after the end of the call.

About WNS

WNS (Holdings) Limited (NYSE: WNS), is a leading global business process outsourcing company. WNS offers business value to 200+ global clients by combining operational excellence with deep domain expertise in key industry verticals including Travel, Insurance, Banking and Financial Services, Manufacturing, Retail and Consumer Packaged Goods, Shipping and Logistics and Healthcare and Utilities. WNS delivers an entire spectrum of business process outsourcing services such as finance and accounting, customer care, technology solutions, research and analytics and industry specific back office and front office processes. As of December 31, 2012, WNS had 25,931 professionals across 31 delivery centers worldwide including Costa Rica, India, Philippines, Poland, Romania, South Africa, Sri Lanka, United Kingdom and the United States. For more information, visit www.wns.com .

Safe Harbor Provision

This document includes information which may constitute forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, the accuracy of which are necessarily subject to risks, uncertainties, and assumptions as to future events. Factors that could cause actual results to differ materially from those expressed or implied are discussed in our most recent Form 20-F and other filings with the Securities and Exchange Commission. WNS undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.