Trading Window

01st October, 2026 The Manager, The General Manager Listing Department, Department of Corporate Services, National Stock Exchange of India Ltd, BSE Ltd., Exchange Plaza, 1st Floor, New Trading Ring, Plot No. – C – 1, G Block, Rotunda Building, Bandra – Kurla Complex, P.J. Towers, Bandra (East), Dalal Street, Fort, Mumbai – 400051 Mumbai – 400001 NSE Code – JGCHEM BSE Code – 544138 Dear Sir/Madam, Sub: Closure of Trading Window This is to inform you that in terms of the Company’s “Insider Trading Prohibition Code” under the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the securities of the Company will remain closed for all the Designated Persons of the Company and their Immediate Relatives as prescribed in the Schedule B of the regulations from 1st October, 2026 till 48 hours after the declaration of the Un-Audited Financial Results of the Company for the quarter ending 30th September, 2026. The Date of consideration of the Un-Audited Financial Results for the quarter ended 30th September, 2026 shall be intimated in due course. Accordingly, all the Designated Persons and their immediate relatives and other Insiders under the PIT Regulations are directed not to trade in the securities of the Company during the aforesaid trading window closure period. We request you to please take the afore-mentioned information in record and oblige. Yours faithfully, For J.G. Chemicals Limited Swati Poddar Company Secretary and Compliance Officer J. G. Chemicals Limited (An ISO 9001, 14001, 45001 CERTIFIED COMPANY) Adventz Infinity @ 5, Unit No. 1511, Steet No. 18, BN Block, Sector – V, Salt Lake City, Kolkata – 700 091, India, Phone: +91 33 4415 0100 Email: cs@jgchem.com | Web: www.jgchem.com Mfg. of : “LUXMI” (UR) BRAND ZINC OXIDE CIN: L24100WB2001PLC093380