Kindly find enclosed the Business Responsibility and Sustainability Report for the Financial Year 2025-26.

HCC/SEC/AGM/2026 July 24, 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 : Submission of Business Responsibility and Sustainability Report for the Financial Year 2025-26 This is in reference to Regulation 34(2)(f) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Kindly find enclosed the Business Responsibility and Sustainability Report ("BRSR") for the Financial Year 2025-26. The BRSR also forms part of the Annual Report for the Financial Year 2025-26, submitted to the Stock Exchanges vide letter dated July 24, 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 www _hccindia.com CIN : L45200MH 1926PLC001228 ANNEXURE III TO THE BOARD’S REPORT BUSINESS RESPONSIBILITY AND SUSTAINABILITY REPORT SECTION A: GENERAL DISCLOSURES 1) Details of the Listed Entity 1. Corporate Identity Number (CIN) of the Listed Entity: L45200MH1926PLC001228 2. Name of the Listed Entity: Hindustan Construction Company Ltd.(HCC) 3. Year of Incorporation: 1926 4. Registered Office Address: Hincon House, Lal Bahadur Shastri Marg, Vikhroli West, Mumbai 400083 5. Corporate Address: Hincon House, Lal Bahadur Shastri Marg, Vikhroli West, Mumbai 400083 6. E-mail: contactus@hccindia.com 7. Telephone: +91 22 25751000 8. Website: www.hccindia.com 9. Financial year for which Report is prepared: 2025-26 10. Name of the Stock Exchange(s) where shares are listed: a. National Stock Exchange of India Limited (NSE) b. BSE Limited (BSE) 11. Paid-up Capital: `261.94 crore 12. Name and contact details (telephone, email address) of the person who may be contacted in case of any queries on the BRSR Report: Particulars Details Name Mr. Soubhik Mitra Designation General Manager – Corporate Communications Telephone Number +91 22 2575 1353 Email ID secretarial@hccindia.com 13. Reporting boundary: Are the disclosures under this Report made on a standalone basis (i.e. only for the Entity) or on a consolidated basis (i.e. for the Entity and all the Entities which form a part of its consolidated financial statements, taken together). The disclosures under this Report have been made on a standalone basis. The reporting scope encompasses HCC’s project sites and offices across India. Some of the Business Responsibility and Sustainability (BRS) initiatives of the Company are also extended to its Subsidiary / Associate Companies, and they are also encouraged to participate in the Company’s BRS initiatives. 14. Name of assurance provider - None 15. Type of assurance obtained - N/A 2) Products/Services 16. Details of business activities: Description of Main Activity Description of Business Activity % of Turnover of the Entity Infrastructure Engineering, Procurement and Construction of Roads, Railways, 100% Metros, Elevated Corridors, Water Supply and Distribution, Irrigation Projects, Hydel Power, Nuclear Power and Process Plants. 17. Products/Services sold by the Entity (accounting for 90% of the Entity’s Turnover): NIC Code Products/Services % of total Turnover Group Class Sub Code contributed 421 4210 42101 Construction and maintenance of motorways, streets, roads, 41.46 other vehicular and pedestrian ways, highways, bridges, tunnels and subways 422 4220 42201 Construction and maintenance of power plants 42.45 422 4220 42204 Construction and maintenance of water main and line 10.04 connection, water reservoirs including irrigation system (canal) 3) Operations 18. Number of locations where plants and / or operations / offices of the Entity are situated Location Number of projects Number of offices Total National 26 2 28 International 1 1 19. Markets served by the Entity: a. Number of locations Locations Number National (No. of States) 11 International (No. of Countries) 1 b. What is the contribution of exports as a percentage of the total turnover of the Entity? c. A brief on types of customers HCC is engaged in the engineering and construction of large infrastructure projects, many of which are of national importance. It develops and executes technically complex, high-value projects that span across diverse segments such as transportation, power, marine projects, irrigation and water supply, special buildings and industrial plants. Majority of HCCs clients are State and Central Government departments, Ministries and local Municipal Bodies. 4) Employees 20. Details as at the end of Financial Year: a. Employees and Workers (including differently abled): Particulars Total Male Female No. (B) % (B/A) No. (C) % (C/A) Employees Permanent (D) 888 833 93.81% 55 6.19% Other than permanent (E) 37 36 97.30% 1 2.70% Total Employees (D+E) 925 869 93.95% 56 6.05% Workers Permanent (F) 2,570 2,570 100.00% - - Other than permanent (G) 4,432 4,432 100.00% - - Total Workers (F+G) 7,002 7,002 100.00% - - HCC 100TH ANNUAL REPORT 2025-2026 53 b. Differently abled Employees and Workers: Particulars Total Male Female No. (B) % (B/A) No. (C) % (C/A) Employees Permanent (D) 1 1 - - - Other than permanent (E) 0 - - - Total Employees (D+E) 1 1 Workers Permanent (F) - - - - - Other than permanent (G) - - - - - Total Workers (F+G) - - - - - 21. Participation / Inclusion / Representation of women Total No. and Percentage of Female No. (B) % (B/A) Board of Directors 8 1 12.5% Key Management Personnel 2 - - 22. Turnover rate for Permanent Employees and Workers FY 25-26 FY 24-25 (Turnover rate in current FY in %) (Turnover rate in previous FY in %) Male Female Total Male Female Total Permanent Employees 20.05% 11.67% 19.46% 23.41% 1% 24.89% Permanent Workers - - - - - - 5) Holding, Subsidiary and Associate Companies (including Joint Ventures) 23. Names of Holding / Subsidiary / Associate Companies / Joint Ventures Sr. Name of the Subsidiary/Associate Companies (A) Indicate % of shares Does the Entity indicated No. whether held by at column (A), participate Subsidiary / Listed Entity# in the Business Associate Responsibility initiatives of the Listed Entity? (Yes/No) 1 HCC Contract Solutions Limited Subsidiary 100 No 2 HCC Infrastructure Company Limited Subsidiary 100 No 3 Highbar Technologies Limited Subsidiary 100 No 4 HRL (Thane) Real Estate Limited Subsidiary 100 No 5 HRL Township Developers Limited Subsidiary 100 No 6 Maan Township Developers Limited Subsidiary 100 Yes 7 Panchkutir Developers Limited Subsidiary 100 No 8 Badarpur Faridabad Tollway Limited Subsidiary 100 No 9 Narmada Bridge Tollways Limited Subsidiary 100 No 10 HCC Mauritius Enterprises Limited Subsidiary 100 No 11 HCC Mauritius Investments Limited Subsidiary 100 No 12 H56 Immo AG Subsidiary 100 No 13 HCC Operations and Maintenance Limited Subsidiary 100 No (Upto September 30, 2025) 14 Prolific Resolution Private Limited Joint venture 49 No 15 Highbar Technocrat Limited Associate 49 No #Including Holding through subsidiary companies. 6) CSR Details 24. i. Whether CSR is applicable as per section 135 of Companies Act, 2013: Yes ii. Turnover (in `): 3,937.25 crore iii. Net worth (in `): 3,086.68 crore 7) Transparency and Disclosures Compliances 25. Complaints / Grievances on any of the principles (Principles 1 to 9) under the National Guidelines on Responsible Business Conduct Stakeholder group from Grievance whom complaint is redressal FY 26 FY 25 received mechanism in Current Financial Year Previous Financial Year place (Yes/No) (If Yes, then Number of Number of Remark Number of Number of Remark provide weblink complaints complaints complaints complaints for grievance filed during pending filed during pending redress policy)# the year resolution the year resolution at close of [Showing first 8,000 characters — download PDF for full document]