Hindustan Construction Company Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 05/11/2026 ,inter alia, to consider and approve the Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026.

HCC/SEC/BM-INT/2026 October 28, 2026 BSE Limited National Stock Exchange of India Ltd. The Corporate Relationship Dept., Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Sandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Code: 500185, 974246, 974247 Symbol: HCC 97 4249 & 97 4250 Dear Sir I Madam, Sub : Board Meeting Intimation under Regulations 29 and 50 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 In compliance with Regulations 29, 50 and other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, notice is hereby given that the Meeting of the Board of Directors of the Company will be held on Thursday, November 5, 2026, at Mumbai, inter-alia, to consider and approve the Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026. Pursuant to the Company's Code of Conduct for Prevention of Insider Trading, the Trading Window for dealing in the Company's Securities is already closed from Thursday, October 1, 2026, for all Designated Persons of the Company and will open 48 hours after the aforesaid Financial Results are declared to the Stock Exchanges. Yours sincerely, For Hindustan Construction Company Ltd. Arjun Dhawan Vice Chairman & Managing Director Encl.: As above Hindustan Construction Co ltd Hincon House. LBS Marg, Vikhroli (West), Mumbai · 400 083, India Tel: +91 22 2575 1000 Fax: +91 22 2577 7568 www.hccindia.com CIN : L45200MH 1926PLC001228