this is further to the letter submited on 13/10/2026 informing about approval of the Board for setting up of PA SA Plant.

NO.SEC/REG 30 /2026 14th October, 2026 The Corporate Relationship Department The Manager, Listing Department BSE Limited National Stock Exchange of India Ltd. 1st Floor, New Trading Ring 'Exchange Plaza', C/1, Block G Rotunda Bldg., P.J.Towers, Dalal Street Bandra-Kurla Complex Fort, MUMBAI - 400 001 Bandra (East), MUMBAI - 400 051 SCRIP CODE: 500690 SYMBOL: GSFC Subject: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Reference: 1. Letter dated 13th October, 2026 intimating approval for setting up of Phosphoric Acid (PA) and Sulphuric Acid (SA) Plant at Sikka Unit; 2. E-mail from BSE Limited dated 14th October, 2026 seeking additional details Dear Sir / Madam, This is further to the above referred letter informing about the approval of the Board for setting up of the PA and SA Plant at its Sikka Unit, Jamnagar, Gujarat. As informed, the project features a planned capacity of 600 MTPD Phosphoric Acid (PA) and 1,800 MTPD Sulphuric Acid (SA) plant along with associated offsite and utilities at Sikka Unit. The project is part of the Company's strategic growth and backward integration roadmap to ensure a reliable internal supply of raw materials. Please note that the details required to be furnished under the SEBI Master Circular bearing reference no. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30/01/2026, shall be informed at the time of commissioning of the plant. The Board meeting commenced at 5:10 p.m. (IST) and concluded at 6:30 p.m. (IST). You are requested to kindly take the above information on record. Thanking you, Yours faithfully, For Gujarat State Fertilizers & Chemicals Ltd., Nidhi Pillai Company Secretary & Vice President (Legal & HRS) Membership No.: A15142 E-mail : investors@gsfcltd.com