Please find attached the Analyst / Institutional Investor Meeting Presentation.

HCC/SEC/AM/2026 August 6, 2026 BSE Limited National Stock Exchange of India Ltd. The Corporate Relationship Dept, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Bandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Code : 500185 Symbol: HCC Dear Sir I Madam, Sub : Analyst /Institutional Investor Meeting Presentation Further to our letter dated July 29, 2026, and pursuant to Regulation 30(6) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing a copy of the presentation to be made before the Analyst & Institutional Investor Meeting, scheduled to be held on August 6, 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 Hindustan Construction Co Ltd Investor/Analyst Presentation Q1 FY27 Nation building since 1926 60°/o 26°/o of India's installed of India's installed nuclear power hydro power capacity capacity 2 August 6, 2026 Analyst Presentation Q1 FY27 Key performance highlights: Q1 FY27 1. Standalone turnover at ₹982 Cr and ₹37 Cr net profit in Q1 FY27 2. Consolidated PAT improved marginally to ₹51 Cr on revenue of ₹993 Cr 3. EBITDA margin at 10.7% in Q1 FY27 (vs. 14.9% in Q1 FY26) 4. Pre-payment of ₹100 crore debt planned in August 2026 with further pre-payments to follow 5. New order of ₹127 Cr; L1 bids worth ₹2,124 Cr (HCC share : ₹1,671 Cr) 6. 4 bids ~₹9,997 Cr under evaluation (HCC share: ~₹7,747 Cr); ₹85,907 Cr pipeline under pursuit 3 August 6, 2026 Analyst Presentation Q1 FY27 Diversified & robust orderbook Order Backlog: ₹12,976 Cr Order Book Position (Business Line Wise) Order Book Position (Geographical) 64% 7% Uttarakhand Bihar Maharashtra Transport Hydro Water Nuclear & Buildings Gujarat Manipur Tamil Nadu Madhya Pradesh Rajasthan Others 4 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Indore Metro TBM deployment advancing, with piling, station excavation and launch preparations progressing across the corridor. 5 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Patna Metro PC 05 & PC 06 Batching Plant Segment Casting Casting yard development and guide wall works progressed. Segment casting commenced, while TBM deliveries were scheduled for September–December 2026. 6 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Agardanda Creek Bridge Piling, pier and segment casting works progressed, while land handover and statutory clearances are expected by Nov 2026. 7 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Bhivpuri PSP (3x333.33 MW) Upper Intake Excavation Powerhouse Excavation Earthworks and steel liner fabrication progressed across key project components, with forest and road clearances pending for road works. 8 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Vishnugad Pipalkoti HEP (4x111 MW) Machine Hall Unit 2 Machine Hall Unit 3 Surge Shaft Dam Desilting Chamber Tail Race Tunnel Major civil works progressed across the dam, tunnels and intake structures, with Machine Hall handed over for Units 1 & 2 and HRT excavation reaching 85% 9 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Tapovan Vishnugad HEP (4x130 MW) Face 5 Breakthrough of Face 2 & Face 3 HRT breakthrough achieved; excavation and overlining progressed across remaining faces. 10 August 6, 2026 Analyst Presentation Q1 FY27 Operations Update: Hindalco PS & PSS Pot shell prototype approved, with bulk fabrication commenced and superstructure prototype fabrication in progress. 11 August 6, 2026 Analyst Presentation Q1 FY27 Standalone Financials: Q1 FY27 Q1 FY27 Q1 FY26 y-o-y Q4 FY26 Particular ₹ Cr ₹ Cr % ₹ Cr Income from operations 981.7 1,069.0 -0.1 988.7 Other income 31.0 20.7 0.5 28.1 Total income 1,012.7 1,089.7 -0.1 1,016.8 Construction cost (incl. material) and other expenses 790.1 826.3 -0.0 722.4 Employees cost 87.1 83.8 0.0 86.1 EBITDA (excluding other income) 104.5 159.0 -0.3 180.3 EBITDA margin (%) (excluding other income) 10.7% 14.9% -4.2% 18.2% Finance cost 79.8 114.6 -0.3 95.0 Depreciation 5.4 10.4 -0.5 5.6 Profit before exceptional items and tax 50.3 54.7 -0.1 107.8 Exceptional item - Gain/(loss) - - - -35.6 Profit/(loss) before tax 50.3 54.7 -0.1 72.2 Tax expense 13.2 16.2 -0.2 27.6 Profit/(loss) after tax 37.1 38.6 -0.0 44.6 Other comprehensive income/(loss) 10.1 4.0 1.6 -3.9 Total comprehensive income 47.2 42.5 0.1 40.8 12 August 6, 2026 Analyst Presentation Q1 FY27 Consolidated Financials: Q1 FY27 Q1 FY27 Q1 FY26 y-o-y Q4 FY26 Particular ₹ Cr ₹ Cr % ₹ Cr Income from operations 993.4 1,091.3 (0.1) 992.2 Other income 62.1 27.3 1.3 25.3 Total income 1,055.5 1,118.7 (0.1) 1,017.5 Construction cost (including material) and other expenses 799.4 826.4 (0.0) 731.7 Employees cost 89.4 85.5 0.0 89.7 Share in profit/(loss) of associates and joint venture (net) 0.5 - - 5.7 EBITDA (excluding other income) 105.1 179.5 (0.4) 176.5 EBITDA margin (%) (excluding other income) 10.6% 16.5% -5.9% 17.8% Finance cost 86.8 121.9 (0.3) 104.7 Depreciation 6.0 11.6 (0.5) 5.2 Profit/(loss) before tax 74.4 73.3 0.0 92.0 Tax expense/(credit) 23.3 22.6 0.0 33.0 Profit/(loss) after tax 51.1 50.7 0.0 58.9 Other comprehensive income/(loss) (1.2) 87.1 (1.0) (2.1) Total comprehensive income/(loss) (after tax) 49.9 137.9 (0.6) 56.8 13 August 6, 2026 Analyst Presentation Q1 FY27 EST.1926