Intimation of Closure of Trading Window

CHAMBAL FERTILISERS AND CHEMICALS LIMITED Ref. No.: CFCL/SE/2026-27/49 September 29, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G, 25th Floor, Dalal Street Bandra Kurla Complex, Mumbai - 400 001 Bandra (E) Mumbai - 400 051 Dear Sir, We hereby inform you that pursuant to the ‘Code of Conduct to Regulate, Monitor and Report Trading in Securities’ of the Company, the trading window for dealing in securities of the Company shall remain closed from October 1, 2026 till 48 hours after declaration of financial results for the quarter ending September 30, 2026 for all the Designated Persons of the Company (including their Immediate Relatives). You are requested to notify your constituents accordingly. Thanking you, Yours faithfully, For Chambal Fertilisers and Chemicals Limited (Tridib Barat) Vice President – Legal & Company Secretary Corporate One, First Floor, 5, Commercial Centre, Jasola, New Delhi - 110 025 • Tel.: 91-11-46581300, 41697900 • Fax: 91-11-40638679 Email : corporate@chambal.in • www.chambalfertilisers.com • CIN: L24124RJ1985PLC003293 Regd. Office : Gadepan, District Kota, Rajasthan -325 208 Tel No.: 91-744-2782915 ; Fax No : 91-7455-274130