General Updates

HI: I: HCC/SEC/ACQ/2026 September 17, 2026 BSE Limited National Stock Exchange of India Limited The Corporate Relationship Dept, Exchange Plaza, Phiroze Jeejeebhoy Towers, Sandra Kurla Complex, Dalal Street, Bandra (East), Mumbai-400 001 Mumbai- 400 051 Scrip Codes : 500185 Symbol - HCC Dear Sir I Madam, Sub :Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Part A of Schedule Ill of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Board of Directors of HCC Infrastructure Company Limited ("HICL"), a Wholly Owned Subsidiary of Hindustan Construction Company Limited ("the Company"), at its Meeting held today i.e. Thursday, September 17, 2026, inter alia, approved the proposal to incorporate a public limited company jointly with Ceigall India Limited, in the name and style of "HC Concessions Limited" or such other name as may be approved by the Registrar of Companies, Mumbai. Further, HICL will subscribe 51% of the paid-up Equity Share Capital and make a capital contribution of ~51,000/- (Rupees Fifty-One Thousand Only) towards its subscription. The disclosure pursuant to SEBI Master Circular No. H0/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed as Annexure A. 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 www.hccindia.com CIN : L45200MH1926PLC001228 Annexure A The disclosure pursuant to SEBI Master Circular No. H0/49/14/14(7)2025-CFD POD2/I/3762/2026 dated January 30, 2026 Sr. Particulars Details 1. Name of the entity, date & Name of the Entity: "HC Concessions Limited" or such country of incorporation other name as may be approved by the Registrar of Companies, Mumbai. Date of Incorporation: To be incorporated Country of Incorporation: India 2. Name of holding company of HCC Infrastructure Company Limited ("HICL") will be the the incorporated company holding company of the proposed incorporated company, and relation with the listed which will be a step-down subsidiary of the Company, with entity HICL being its wholly owned subsidiary. 3. Industry to which the entity Infrastructure Development Industry being acquired belongs 4. Brief background about the The Company is being incorporated to undertake to carry entity incorporated in terms of on in India and abroad business of builders, contractors, products / line of business promoters, operation and maintenance operators, developers of all type of infrastructural facilities either alone or jointly with other companies or persons or any other entity and for that purpose to promote, develop, survey, establish, design, construct, equip, operate, manage, maintain, modify, upgrade, own, administer, control and finance roads/highways/expressways of all descriptions, including bridges, river crossings, waterways, approach roads, interchanges, flyovers, culverts, buildings, residential and commercial townships, restaurants, hotels, motels, recreation parks, amusement parks, fuel pumps, vehicle repair workshops, public conveniences, medical centers, first aid centers, commercial premises, rest rooms, hoardings, toll booths, toll plazas, railway facilities including terminals bus or otherwise, mass rapid transport systems, power stations including hydel, thermal, wind, solar, waste, geothermal and atomic nuclear power or any power through any other means, telecommunications, sealinks, waterworks, tramways, reservoirs, wharves, irrigation system, dams, tunnels, cannels, jetties, ports, container terminal, docks and harbours, sewage works, seaports, green ports, airports, city gas distribution, water distribution, bulk water supply, hydrocarbon transmission pipelines, exploration and production of crude oil & natural gas, urban infrastructure projects, parking facilities, all other works or conveniences of public or private utility and any other infrastructure projects and/or any interest therein for any www.hccindia.com infrastructure projects including but not limited to projects mentioned above on "Build-Own-Operate" (BOO), Build Own-Transfer (BOT), Hybrid Annuity Model (HAM), Build Own-Operate-Maintain (BOOM), Build-Own-Operate Transfer (BOOT), Design-Build-Finance-Operate (DBFO), Build-Operate-Lease-Transfer (BOLT) or any other model basis in infrastructure development sector with a view to facilitating, improving and developing the level of infrastructure in the economy of India or abroad with any authority including Government of India, State Government, Semi Government, Municipal/Local Authorities, Corporate Bodies, persons or such other authorities in India or elsewhere as the Company may deem fit. 5. Brief details of any Not Applicable governmental or regulatory approvals required for the acquisition 6. Nature of Consideration - Cash Consideration whether cash consideration or share swap or any other form and details of the same 7. Cost of subscription I price at H ICL will subscribe to 5,100 Equity Shares of Rs.10 /-each which the shares are aggregating to Rs. 51,000/- [51%] in the Company to be subscribed incorporated. 8. Percentage of shareholding I 51% of the paid-up Equity Share Capital control acquired and I or number of shares allotted www .hccindia.com