Please find attached the Newspaper publication of the Unaudited Financial Results for the quarter ended June 30, 2026.

HCC/SEC/RESULT-ADVT/2026 August 7, 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 Symbol: HCC Dear Sir I Madam, Sub : Newspaper publication of the Unaudited Financial Results for the quarter ended June 30, 2026 Pursuant to Regulations 47 and 52 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing the newspaper advertisements, published in the newspapers viz. "Business Standard" (English) and "Sakal" (Marathi) on August 7, 2026 in connection with Unaudited Standalone and Consolidated Financial Results of the Company for the quarter ended June 30, 2026. We request you to kindly take the above on record. Yours sincerely, For Hindustan Construction Company Ltd. Nitesh Kumar Jha Company Secretary 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 CIN : L45200MH1926PLC001228 www.hccindia.com Business Standard MUMBAI FRIDAY, 1 AuGusT 2o26 STATEMENT OF UNAUDITED FINANCIAL RESULTS FOR THE QUARTER ENDED JUNE 30, 2026 The Board of Directors of the Company, at its Meeting held on August 6, 2026, approved the Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ended June 30, 2026. The said Results along with Limited Review Reports are available on Stock Exchanges website (www.bseindia.com and www.nseindia.com) and have also been posted on the Company's website at https://hccindia.com/uploads/reports/0 _4 8290100_ 1786014308_ HCC_Q1_Results_FY27.pdf which can be accessed by scanning the OR Code given. By Order of the Board For Hindustan Construction Co. Ltd. Place: Mumbai Date: August 6, 2026 Arjun Dhawan Vice Chairman & Managing Director Note-The above intimation is in accordance with Regulations 33 and 52 of the SEBI DIN: 01778379 (Listing Obligations and Disclosure Requirements) Regulations, 2015. Back