Pursuant to Regulation 30 of SEBI (Listing Obligation and Disclosure Requirement) Regulation, 2015, Company informs about the appointment of Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- ....

Date: 4th July, 2026 To, To, The Listing Department, The Listing Department, National Stock Exchange of India Limited BSE Limited Exchange Plaza, 5th Floor, 1st Floor, New Trading Ring, Plot No. C/1, G Block, Rotunda Building, Bandra - Kurla Complex, Phiroze Jeejeebhoy Towers, Bandra (East), Mumbai - 400 051 Dalal Street, Mumbai - 400 001 NSE Code: GAMMONIND BSE Code: 509550 Dear Sir / Madam, Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 for Appointment of Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- 10521532) as Additional Non-Executive, Independent Director. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations”), Company inform you that the Board of Directors by way of Circular Resolution on 4th August, 2026, upon recommendation by the Nomination & Remuneration Committee, appointed Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- 10521532) as Additional Director designated as Non-Executive, Independent Director of the Company with effect from 3rd August, 2026. In accordance with the provisions of Section 161 of Companies Act, 2013, Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- 10521532) shall hold office up to the date of the upcoming Annual General Meeting. Further, subject to approval of shareholder, Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- 10521532) will be appointed for a term of five consecutive years with effect from 3rd August, 2026 till 2nd August, 2031 (both days inclusive) not liable to retire by rotation. The details required under Regulation 30 of the SEBI Listing Regulations read with SEBI circular no. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated 13 July, 2023 are given as per Annexure 1. Above-mentioned Director is not debarred from holding the office of Director by virtue of any SEBI order or any other such authority. Kindly take the above information in your records. Yours faithfully, For, Gammon India Limited Roshni Kapshiwal Company Secretary and Compliance Officer Membership Number – A73894 Date: 4th July, 2026 Place: Mumbai GAMMON INDIA LIMITED Registered Office : Floor 3rd，Plot - 3/8, Hamilton House, J. N. Heredia Marg, Ballard Estate, Mumbai - 400 038. Maharashtra, India; Telephone : +91-22-2270 5562 E-Mail:investors@gammonindia.com Website : www.gammonindia.com CIN : L74999MH1922PLC000997 ANNEXURE A Disclosure of information pursuant to regulation 30 of SEBI (Listing Obligation and Disclosure Requirement) Regulation, 2015 read with SEBI circular No. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated 13th July, 2023. Sr. No. Particulars Information 1. Reason for change viz. appointment, Mr. Radhakrishnan Nair Bhaskaran Pillai (DIN- reappointment, resignation, removal, 10521532) has vast experience and immense detah or otherwise. knowledge and expertise in engineering and construction. He can play an important role in the growth of the Company. 2. Date of appointment/ cessation and W.e.f. 3rd August, 2026 and such terms agreed terms of appointment mutually. 3. Brief Profile (in case of appointment) Mr. Radhakrishnan Nair Bhaskaran Pillai is a Civil Engineer from Kerala Technical Education Board. He is civil engineer with proven success of 35 years in construction and site management. He has acted as liaison officer with external agencies, clients, architects and consultants on determining specifications, approval for smooth execution. He has vast experience of project planning and management, Contract administration, site and construction management. 4. Disclosures of relationship between Mr. Radhakrishnan Nair Bhaskaran Pillai is not related Directors (in case of appointment of to any director and key managerial Personnel of the Director) Company. For, Gammon India Limited Roshni Kapshiwal Company Secretary and Compliance Officer Membership Number – A73894 Date: 4th July, 2026 Place: Mumbai GAMMON INDIA LIMITED Registered Office : Floor 3rd，Plot - 3/8, Hamilton House, J. N. Heredia Marg, Ballard Estate, Mumbai - 400 038. Maharashtra, India; Telephone : +91-22-2270 5562 E-Mail:investors@gammonindia.com Website : www.gammonindia.com CIN : L74999MH1922PLC000997