Trading Window

Ref: Syn/CS/SE/BM/2026-27/Sept/08 Syngene International Limited Biocon SEZ, Biocon Park, Plot No. 2 & 3, Bommasandra Industrial Area, IV Phase, Jigani Link Road, Bengaluru 560 099, Karnataka, India T +91 80 6891 9191 CIN: L85110KA1993PLC014937 www.syngeneintl.com September 25, 2026 To, To, The Manager, The Manager, BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Corporate Communication Department Dalal Street, Mumbai – 400 001 Bandra (EAST), Mumbai – 400 051 Scrip Code: 539268 Scrip Symbol: SYNGENE Dear Sir/Ma’am, Subject: Intimation of Closure of Trading Window This is to inform you that pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company’s Code of Conduct for Prevention of Insider Trading, the Trading Window of the Company for dealing in securities of the Company will be closed from October 1, 2026, till 48 (Forty- Eight) hours after the declaration of the Un-audited Financial Results for the quarter and half year ending September 30, 2026. Request to kindly take this intimation on record. Thanking you, Yours faithfully, For SYNGENE INTERNATIONAL LIMITED Chethan Yogesh Company Secretary & Compliance Officer