Indigrid Infrastructure Trust has informed the Exchange regarding Disclosure of material issue

INDIGRID INVESTMENT MANAGERS LIMITED Date: September 29, 2026 BSE Limited National Stock Exchange of India Ltd Phiroze Jeejeebhoy Towers Exchange Plaza, C/1, Block G, Dalal Street, Bandra-Kurla Complex, Bandra (East), Mumbai — 400 001 Mumbai — 400 051 Security Code- 540565 Symbol- INDIGRID Subject: Trading Window Closure Dear Sir/ Madam, Please note that as per Code of Internal Procedures and Conduct for Regulating, Monitoring and Reporting of trading by Designated Person(s) of the IndiGrid Infrastructure Trust (the Trust), the trading window for dealing in the securities of the Trust will be closed from October 1, 2026 and will open 48 hours after the announcement of financial results for the period ended on September 30, 2026 made to the public. You are requested to take the same on record. Thanking you, For and on behalf of IndiGrid Investment Managers Limited Representing IndiGrid Infrastructure Trust as its Investment Manager Urmil Shah Company Secretary & Compliance Officer ACS-23423 Copy to- Axis Trustee Services Limited The Ruby, 2nd Floor, SW, 29 Senapati Bapat Marg, Dadar West, Mumbai- 400 028, Maharashtra, India IndiGrid Investment Managers Limited Registered & Corporate Office: Unit No. 101, First Floor, Windsor, Village KoleKalyan, off CST Road, Vidyanagari Marg, Kalina, Santacruz (East), Mumbai – 400 098, Maharashtra, India CIN: U28113MH2010PLC308857 Ph: +91 72084 93885 | Email: complianceofficer@indigrid.com | www.indigrid.co.in