Firstsource Solutions Ltd. — Regulatory Filings 2026

Mar 25, 2026

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25[th] March 2026

To,

National Stock Exchange of India BSE Limited (stock code:532809) Limited (stock code: “FSL”) Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Plot no. C/1, G Block, Mumbai - 400 001 Bandra-Kurla Complex, Bandra (East) Mumbai - 400 051

Dear Madam/ Sir,

Sub: Notice of Trading Window Closure for Q4 FY2025-26

In reference to the clarification regarding trading restriction period issued by National Stock Exchange of India Limited vide its Letter Ref No: NSE/CML/2019/11 dated 2[nd] April 2019 and BSE Limited vide its Letter Ref. No: LIST/COMP/01/2019-20 dated 2[nd] April 2019 and in view of Prohibition of Insider Trading, Regulations 2015, the “Trading Window” for Trading in the securities of the Company will remain closed from Wednesday, 25[th] March 2026 (from the closure of business hours) till conclusion of the 48 hours post the Board Meeting for the purpose of declaration of audited financial results for the quarter and year ended 31[st] March 2026, the date of which shall be intimated in due course.

Kindly requested to take the above on record.

Thanking You,

For Firstsource Solutions Limited

POOJA Digitally signed by SURESH POOJA SURESH NAMBIAR NAMBIAR

Pooja Nambiar Company Secretary

Firstsource Solutions Ltd

1[st] Floor, Athena Towers, Mindspace Malad, Goregaon (W), Mumbai – 400 063 India Tel: +91 (22) 6666 0888 | Fax: +91 (22) 6666 0887 | Web: www.firstsource.com

(CIN: L64202MH2001PLC134147)