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

INDIGRID INVESTMENT MANAGERS LIMITED Date: July 24, 2026 BSE Limited National Stock Exchange of India Ltd Department of Corporate Services Listing Department Phiroze Jeejeebhoy Towers Exchange Plaza, C/1, Block G, Bandra-Kurla Dalal Street, Mumbai — 400 001 Complex, Bandra (East), Mumbai — 400 051 Security Code- 540565 Symbol- INDIGRID Sub: Intimation of disinvestment in Enerica Infra 4 Private Limited and consequent change in Project Manager for Battery Energy Storage Systems Projects Dear Sir/ Madam, Further to our intimation dated May 14, 2026, regarding outcome of the Board Meeting and pursuant to Regulation 19, 23 and/ or any other applicable provisions of the Securities and Exchange Board of India (Infrastructure Investment Trusts) Regulations, 2014, as amended from time to time read with circulars and guidelines issued thereunder (“InvIT Regulations”), and other applicable laws and regulations, we hereby inform you that: i. IndiGrid 2 Private Limited (“IGL2”) (wholly-owned subsidiary of IndiGrid Infrastructure Trust) has transferred 74% of the total paid up share capital and 100% interest of Enerica Infra 4 Private Limited (“EIPL4”) to Enerica ReGrid Infra Private Limited (“EnerGrid”) at a fair valuation conducted by an independent valuer; and ii. On July 24, 2026, IndiGrid terminated Project Management and Implementation Agreement (“PIMA”) for Battery Energy Storage Systems (“BESS”) projects with EIPL4 and executed PIMA with IndiGrid Limited (“IGL”) for BESS projects. The disclosures of the disinvestment are enclosed hereto as Annexure-A. You are requested to take the same on your record. Yours sincerely, 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 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 INVESTMENT MANAGERS LIMITED Annexure A Details of Disinvestment S. No. Particulars Details 1. Name of the target entity, details in brief Name: Enerica Infra 4 Private Limited (“EIPL4”) such as size, turnover etc. Paid up capital: INR 10,000 Turnover- Nil 2. Date on which the agreement for sale has July 23, 2026 been entered into 3. The expected date of completion of sale Transaction completed on July 24, 2026 4. Consideration received from such INR 10,000/- sale/disposal 5. Brief details of buyers and whether any of Enerica ReGrid Infra Private Limited (“EnerGrid”) is committed the buyers belong to the sponsor/ sponsor to leading India’s Energy Transition by playing a crucial role in group. If yes, details thereof building critical Infrastructure for the nation’s renewable energy and net zero goals. It focuses on developing critical projects, including large-scale power transmission systems, utility-scale Battery Energy Storage Systems (BESS), and Renewable Energy (RE) projects. These initiatives will strengthen the national grid, ensure a seamless energy transition, and optimize solar, wind, and other renewables for a more sustainable future. EnerGrid does not belong to the sponsor/sponsor group. 6. Whether the transaction would fall within In accordance with Regulation 2(1)(zv) of the InvIT Regulations, related party transactions? If yes, whether EnerGrid, being the buyer of shares in EIPL4, is a related party, the same is done at "arm's length" as it has a common director with the Investment Manager of IndiGrid. The transaction is completed at an arm’s length basis. 7. Additionally, in case of a slump sale, Not Applicable indicative disclosures provided for amalgamation/merger, shall be disclosed by the listed entity with respect to such slump sale. 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