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

INDIGRID INVESTMENT MANAGERS LIMITED Date: August 07, 2026 B S E 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: Intimation of the Conference Call with the management of IndiGrid Infrastructure Trust on Thursday, August 13, 2026, at 04:00 PM IST Dear Sir/ Madam, With reference to the captioned subject, we hereby inform that a conference call with the management of IndiGrid Infrastructure Trust (“IndiGrid”) is organized on Thursday, August 13, 2026, at 04:00 PM IST to discuss IndiGrid’s financial results for the quarter ended on June 30, 2026. Please find attached herewith the schedule of the conference call for dissemination on your website. 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 CC 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 IndiGrid Infrastructure Trust – 1QFY27 Conference Call Avendus Spark is pleased to invite you to the 1QFY27 Conference Call of IndiGrid Infrastructure Trust IndiGrid Infrastructure Trust would be represented by Mr. Harsh Shah – Managing Director Ms. Meghana Pandit – Chief Financial Officer Mr. Sanil Namboodiripad – Chief Operating Officer Conference Call Details Date: Thursday, 13 August 2026 | Time 04:00 PM (IST) Express Join with DiamondPass™ No Wait Time https://services.choruscall.in/DiamondPassRegistration/register?confirmationNumber=8783362&linkSecurityString=4c14550ea4 Universal Dial In +91 22 6280 1230 / +91 22 7115 8131 UK + 08081011573 USA + 18667462133 Singapore + 8001012045 Hong Kong + 800964448 For further information please contact BHARANIDHAR VIJAYAKUMAR – Research Analyst - Equity Research Spark Institutional Equities Private Limited | +91 44 43440038 | bharanidhar.v@avendusspark.com | www.avendusspark.com