Closure of trading window for declaration of unaudited financial results for the quarter ending 30th September, 2026

SL/BSE/NSE/2026-27 September 26, 2026 The Manager, Dy. General Manager, Listing Department, Department of Corporate Services, National Stock Exchange of India Ltd., BSE LIMITED, ‘Exchange Plaza’ C-1 , Block G, First Floor, P.J. Towers, Bandra-Kurla Complex, Bandra (E), Dalal Street, Fort, Mumbai-400 051. Mumbai – 400001. Security ID: SUBROS Security ID: 517168 Dear Sir/Madam, Sub – Intimation of Closure of Trading Window This is to inform that in accordance with the provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in the securities of the Company by the Designated Persons and their Immediate relatives will be closed from, Thursday 1st October, 2026 till 48 hours after the declaration of the unaudited financial results of the Company for the quarter ending on 30th September, 2026. We request you to kindly take the same on record. Thanking you, Yours faithfully, For SUBROS LIMITED Kamal Samtani Company Secretary SUBROS LIMITED Corporate & Registered Office: LGF, World Trade Centre, Barakhamba Lane, New Delhi 110001 (India). Tel: 23414946-49 I Fax: 01123414945 Website: www.subros.com I CIN: L74899DL1985PLC020134.