Updates

Date: 05th August, 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 - 400051 Dalal Street, Mumbai - 400001 NSE Code: GAMMONIND BSE Code: 509550 Dear Sir / Madam, Sub: Intimation of Board Meeting of Gammon India Limited (“the Company”) to be held on Monday, 10th August, 2026. This is to inform the Exchanges that pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, a meeting of the Board of Directors of the Company is scheduled to be held on Shorter Notice on Monday, 10th August, 2026 to inter-alia, consider and approve: 1. The Unaudited Standalone and Consolidated Financial Statements, along with notes and Auditor’s Limited Review Report for the quarter ended 30th June, 2026. Further, as per our previous letter dated 24th June, 2026 and per the terms of the Company’s "Insider Trading Code for Regulating, Monitoring and Reporting of Trading by Insiders" and pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 and as per applicable amendments, the trading window for dealing in the Company’s securities remains closed for specified persons as defined in the Code and as mentioned in foresaid letter. You are requested to take note of the same. Thanking you, Yours faithfully, For Gammon India Limited Roshni Kapshiwal Company Secretary and Compliance Officer Membership Number: A73894 Date: 05th August, 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