Gujarat Mineral Development Corporation Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 30/10/2026 ,inter alia, to consider and approve Unaudited Quarterly Financial Results (Standalone and Consoldiated) for Quarter / Half Year ended on 30th September, 2026

No. GMDC/CS/ BSE/NSE/049/2026 Dt. 14/10/2026 To, To, National Stock Exchange of India, Bombay Stock Exchange Ltd. Exchange Plaza, 25th Floor, P.J. Towers Bandra Kurla Complex Dalal Street Bandra (East) , Mumbai – 400 051 Fort, Mumbai-400 001 Code : GMDCLTD Code : 532181 Sub: Intimation of Board Meeting for consideration of Unaudited Financial Results for the quarter ended 30th September, 2026 and closure of Trading Window Dear Sir/Madam, Pursuant to Regulation 29(1)(a) and other applicable provisions of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that a meeting of the Board of Directors of Gujarat Mineral Development Corporation Limited is scheduled to be held on Friday, 30th October, 2026, inter alia, to consider and approve the Standalone and Consolidated Unaudited Financial Results of the Company for the quarter ended 30th September, 2026. Further, pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of Conduct for Prevention of Insider Trading, we have intimated vide our letter No. GMDC/CS/ BSE/NSE/037/2026 dated 29/09/2026 that the trading window for dealing in the securities of the Company has been closed for all Designated Persons and their immediate relatives with effect from 1st October, 2026. The trading window shall remain closed till 48 hours after the declaration of the aforesaid financial results and shall reopen on 2nd November, 2026 in accordance with the applicable provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of Conduct. This intimation is also being made available on the website of the Company at www.gmdcltd.com. You are requested to take the above information on record. Thanking you, Yours faithfully, For Gujarat Mineral Development Corporation Limited Joel Evans Company Secretary Gujarat Mineral Development Corporation Limited (A Government of Gujarat Enterprise) CIN : L14100GJ1963SGC001206 “Khanij Bhavan”, 132 Ft. Ring Road, Near University Ground, Vastrapur, Ahmedabad-52 Phone : 27913200/3501 Email: cs.co@gmdcltd.com Website: www.gmdcltd.com