Exhibit 99.1 WNS Announces Fiscal 2022 Fourth Quarter and Full Year Earnings, Provides Guidance for Fiscal 2023 NEW YORK, NY and MUMBAI, INDIA, April 21, 2022 — WNS (Holdings) Limited (WNS) (NYSE: WNS), a leading provider of global Business Process Management (BPM) solutions, today announced results for the fiscal 2022 fourth quarter and full year ended March 31, 2022. Highlights – Fiscal 2022 Fourth Quarter: GAAP Financials Non-GAAP Financial Measures* Other Metrics Highlights – Fiscal 2022 Full Year: GAAP ...

Exhibit 99.1 Profit in the fiscal third quarter was $34.3 million, as compared to $31.0 million in Q3 of last year and $32.1 million in the previous quarter. Year-over- year, profit increased as a result of revenue growth, favorable currency movements net of hedging, higher net interest income, and a lower effective tax rate. These benefits more than offset the impact of wage increases and increased facility-related and travel costs. Sequentially, Q3 profit increased as a result of revenue growth, reduced s ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2019 Commission file number 001-32945 WNS (Holdings) Limited (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) Jersey, ...