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

INDIGRID INVESTMENT MANAGERS LIMITED Date: November 05, 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 Scrip Code: 540565 Symbol: INDIGRID Subject: Half-Yearly report of IndiGrid Infrastructure Trust for Half Year ended on September 30, 2026 Dear Sir/ Madam, Pursuant to Regulation 23(4) 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, as amended from time to time, we hereby submit the Half Yearly Report along with its annexures of IndiGrid Infrastructure Trust for the half year ended on September 30, 2026. You are requested to take the same on record. Thanking you, For 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 Half Yearly Report FY2026-27 For the half year ended September 30, 2026 India’s first publicly listed power sector Infrastructure Investment Trust Transmission | Solar Generation | Battery Energy Storage www.indigrid.co.in Foreword Dear Unitholders, On behalf of IndiGrid Investment Managers Limited, the Investment Manager of IndiGrid Infrastructure Trust (“IndiGrid”), we are pleased to present the Half Yearly Report of IndiGrid for the period from April 1, 2026 to September 30, 2026, prepared in accordance with the SEBI (Infrastructure Investment Trusts) Regulations, 2014. The first half of FY2026-27 was a period of steady delivery. IndiGrid’s operational revenue for the half year stood at ₹1,802 crore and operational EBITDA at ₹1,643 crore, a margin of 91.2%. Net Distributable Cash Flow (NDCF) generated during the period was ₹750 crore, supporting a distribution of ₹8.24 per unit for the half year – in line with the full-year guidance of ₹16.48 per unit. As on September 30, 2026, IndiGrid’s Assets Under Management stood at ₹33,667 crore, with a Net Debt to AUM ratio of 60.4%. Expanding the operating portfolio Between April and October 2026, IndiGrid commissioned three projects, adding significant storage and transmission capacity to its operating portfolio: • Gujarat BESS Private Limited (GBPL): a 180 MW/360 MWh standalone battery energy storage project in Gujarat, fully commissioned in May 2026. • Rajasthan BESS Private Limited (RBPL): a 250 MW/500 MWh standalone battery energy storage project in Rajasthan, commissioned on October 27, 2026, taking IndiGrid’s operational standalone storage capacity to ~1 GWh, amongst the largest in India. • Ishanagar Power Transmission Limited (IPTL): an inter-state transmission project in Madhya Pradesh with a 4,000 MVA, 765/400/220 kV substation and ~33 ckm of 765 kV lines. The portfolio continued to deliver high availability and stable collections, and IndiGrid’s AAA credit ratings were reaffirmed by CRISIL and ICRA. Strengthening the growth pipeline In September 2026, IndiGrid signed definitive agreements to acquire two inter-state transmission projects in Himachal Pradesh from EnerGrid, upon their commissioning, at a combined enterprise value of up to ~₹6,650 crore. Together, they will add ~554 ckm of transmission lines and 1,680 MVA of transformation capacity. Both projects were won through tariff-based competitive bidding on a BOOT basis and are backed by long-term transmission service agreements with availability-linked payments. Engaging with our stakeholders In September 2026, IndiGrid partnered launched its National Geographic documentary on energy storage, highlighting the growing role of battery storage in India’s energy transition. Scan the QR code to watch the documentary. IndiGrid also published its second annual Sustainability Report for FY 2025-26, covering ESG performance across its transmission, solar and BESS portfolio. The report is available at: IndiGrid Sustainability Report FY 2025-26 Watch the documentary This report sets out the statutory disclosures for the half year, supported by detailed annexures. We thank our unitholders for their continued trust and support, and remain committed to delivering stable and growing distributions through disciplined growth and prudent financial management. For and on behalf of the Board of Directors of IndiGrid Investment Managers Limited (Investment Manager to IndiGrid Infrastructure Trust) IndiGrid Infrastructure Trust Half Yearly Report FY2026-27 | Page 2 Index Particulars Page No. Foreword 2 Statutory Disclosures 4 1. Business & financial summary 4 2. Brief details of all the assets of the InvIT, project-wise 5 3. Revenue during the half year, project-wise 5 4. Brief summary of the valuation 5 5. Information pertaining to the sector or sub-sector 5 6. Details of changes during the half year 5 7. Revenue of the InvIT for the last 5 years, project-wise 19 8. Update on development of under-construction projects 20 9. Outstanding borrowings, credit ratings, debt maturity profile and gearing ratios 20 10. Total operating expenses and fees 20 11. Past performance – unit price, distributions and yield 21 12. Related party transactions 22 13. Monies lent to the holding company or special purpose vehicles 22 14. Issue and buyback of units 22 15. Material and price sensitive information 22 16. Material litigations and regulatory actions 23 17. Risk factors 23 18. Information of the contact person of the InvIT 23 19. Auditor’s review report 24 20. Results for the half year 24 21. Ongoing internal restructuring 24 22. Other confirmations 25 Annexures Annexure A Information Pertaining to the Sector or Sub-sector Annexure B Brief Details of All the Assets of IndiGrid, Project-Wise Annexure C Project-Wise Revenue and Enterprise Value Annexure D Summary of Independent Valuation Annexure E Material and Price Sensitive Information during the Half Year in Review Annexure F Material Litigations and Regulatory Actions Pending as at September 30, 2026 Annexure G Risk Factors Annexure H Unaudited Standalone Financial Results (with Limited Review Report) Annexure I Unaudited Consolidated Financial Results (with Limited Review Report) Annexure J Valuation Report as at September 30, 2026 IndiGrid Infrastructure Trust Half Yearly Report FY2026-27 | Page 3 HALF YEARLY REPORT FY2026-27 For the half year ended September 30, 2026 1. BUSINESS & FINANCIAL SUMMARY A. INVESTMENT MANAGER’S BRIEF REPORT OF ACTIVITIES OF THE INVIT IndiGrid is India’s first and largest publicly listed Infrastructure Investment Trust (InvIT) in the power sector. Established on October 21, 2016 and registered with SEBI under the SEBI InvIT Regulations in November 2016, IndiGrid was subsequently listed on BSE and NSE on June 06, 2017. IndiGrid owns, operates and manages a diversified portfolio of power transmission, renewable generation and energy storage assets across India. Backed by KKR, IndiGrid offers investors an attractive yield platform supported by AAA-rated, long-term contracted cash flows. IndiGrid’s Sponsor is Esoteric II Pte. Ltd., an affiliate of KKR; its Investment Manager is IndiGrid Investment Managers Limited; and its Trustee is Axis Trustee Services Limited. As on September 30, 2026, IndiGrid had Assets Under Management worth INR 33,667 crores with the portfolio spanning 20 states and 2 union territories, comprising 59 transmission lines with a t [Showing first 8,000 characters — download PDF for full document]