Please find attached the Intimation letter under Regulations 30 and 51 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

HCC/SEC/APT/2026 August 18, 2026 BSE Limited National Stock Exchange of India Limited The Corporate Relationship Dept, Exchange Plaza, Phiroze Jeejeebhoy Towers, Bandra Kurla Complex, Dalal Street, Bandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Codes: 500185, 974246, 974247, Symbol- HCC 97 4249 & 97 4250 Dear Sir I Madam, Sub : Intimation under Regulations 30 and 51 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations") Pursuant to the provisions of Regulations 30 and 51 read with Schedule Ill of the SEBI Listing oath Regulations, we wish to inform you that the Members of the Company, at their 1 Annual General Meeting held on Tuesday, August 18, 2026, have approved the appointment of Mr. Nakul Pasricha (DIN: 03176843), who was appointed by the Board of Directors as an Additional (Non-Executive Independent) Director with effect from July 10, 2026, as an Independent Director of the Company to hold office for a term of 5 (five) consecutive years, not liable to retire by rotation. Further, we confirm that Mr. Nakul Pasricha is not debarred from holding the office of Director by virtue of any SEBI order or order of any other such Authority. The disclosure pursuant to SEBI Master Circular No. H0/49/14/14(7)2025-CFD-POD2/113762/2026 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 25751000 Fax: +91 22 2577 7568 www. hccindia. com CIN : L45200MH 1926PLC001 228 "Annexure A" The disclosure pursuant to SEBI Master Circular No. H0/49/14/14(7)2025-CFDL POD2/I/3762/2026 dated January 30, 2026 I Sr. Particulars Details 1. Reason for change viz. Appointment appointment, re-appointment, resignation, removal, death or otherwise 2. Date of appointment/re- Appointment of Mr. Nakul Pasricha (DIN: 03176843), who appointment/cessation (as was appointed by the Board of Directors as an Additional applicable) & term of (Non-Executive Independent) Director with effect from appointment/re-appointment July 10, 2026, as an Independent Director of the Company to hold office for a term of 5 (five) consecutive years with effect from July 10, 2026, not liable to retire by rotation. 3. Brief Profile Nakul Pasricha is a versatile business leader with over 27 years' experience spanning multiple geographies, industries and company sizes. He is the MD & CEO for PharmaSecure, a leading provider of technology enabled anti-counterfeiting solutions to the pharmaceutical and other industries in India, Africa and beyond. At PharmaSecure, Mr. Pasricha first led the development of patented technology solutions to protect medicines and supply chains against counterfeiting and then invested in and took on leadership of the company, growing it to serve over 100 companies in the pharmaceutical and other sectors, with more than 10 billion packs protected to date in India and Africa. He was granted a patent as a co inventor of the technology engine that drives PharmaSecure's authentication solution. In addition to his primary role, Mr. Pasricha has served on the governing body of the Authentication Solution Providers' Association (ASPA), a not-for-profit body devoted to research, awareness and advocacy of solutions to prevent counterfeiting. He has been elected President of ASPA for two terms and is currently Vice President. In this role, Mr. Pasricha has been a strong public advocate of stringent measures to curb the loss of life and revenue from counterfeiting across sectors. He has led the publication of the seminal report on counterfeiting, "A State of Counterfeiting in India", frequently used as a reference to better understand the issue from a consumer perspective. He has also overseen www.hccindia.com the launch and growth of the conference series, "Traceability and Authentication Forum", bringing together stakeholders from industry, government and the solution provider ecosystem. Mr. Pasricha also serves on the National Intellectual Property Rights Committee of the Confederation for Indian Industry (CII) where he contributes to conversations around IPR and counterfeiting. Mr. Pasricha is Co-Promoter and Director of Flexing It, India and Asia's largest platform for independent consultants and professional freelance talent. Founded in 2014, Flexinglt® is a category leader in on-demand talent solutions, connecting 2000+ organisations with 10 0,000+ vetted consultants and experts across strategy, operations, technology, and transformation. Recognised as a high-growth startup in APAC by the Financial Times and a strategic partner to large enterprise clients, Flexing It® enables rapid access to the right expertise through flexible, outcome-driven engagement models. Previously, Mr. Pasricha served in technology leadership roles across a variety of organizations, starting his career at Citibank (U.S.A.), overseeing global technology implementations. He was part of the team at the forefront of IT outsourcing to India ahead of Y2K. After moving to India in 2005, Mr. Pasricha served as the Chief Information Officer of General Electric's consumer finance division, overseeing a team of 120 people implementing and supporting financial systems for the loans business, and managing projects for SBI Cards, which was at that time a JV with GE. Mr. Pasricha has participated as a speaker or moderator in conferences organized by Cll, Assocham, PHDCII and other organizations, and contributed to counterfeiting related stories in leading publications including: Business World, Business Standard, Economic Times, The Hindu, Express Pharma, Financial Times, Deutsche Welle and Channel News Asia. Mr. Pasricha has a B.A. in Mathematics and Computer Science from Gettysburg College, and an M.S. in Computer Science from the University of Maryland at College Park. He is an Indian citizen and resident. He serves as Board Director for PharmaSecure Inc. (USA), PharmaSecure PAS India Pvt. Ltd., Flexing It www. hccindia .com Services Pte Ltd. (Singapore), Flexing It Services Pvt. Ltd. and NHN Automation Pvt. Ltd. 4. Disclosure of relationships Mr. Nakul Pasricha is not related to any Director of the between Directors Company. www .hccindia.com