Presentation on Webinar for Investors & Analysts scheduled to be held on 07th August, 2026.

07th August, 2026 To To The General Manager (Listing), The General Manager (Listing), National Stock Exchange of India Limited, BSE Limited, Exchange Plaza, C 1/G Block, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Mumbai. Bandra (East), Mumbai. Reference: NSE-SCRIP ID: POWERGRID; BSE Scrip Code: 532898 EQ – ISIN: INE752 E01010 Sub.: Presentation on Webinar for Investors & Analysts scheduled to be held on 07th August, 2026 Dear Sir, In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, please find enclosed herewith copy of presentation proposed to be given at Webinar for Investors & Analysts scheduled to be held on Friday, 07th August, 2026 at 11:00 A.M (IST). Thanking You, Yours faithfully, (Anjana Luthra) Company Secretary & Compliance Officer Encl.: As above Corporate Office: “Saudamini”, Plot No. 2, Sector-29, Gurugram-122001, (Haryana) Tel.: 0124-2822999 & 2822000 Registered Office: B-9, Qutab Institutional Area, Katwaria Sarai, New Delhi-110 016. Tel: 011-26560112, 26560115 & 26560193, CIN : L40101DL1989GOI0381 21 Website: www.powergrid.in Q1FY27 · Investor Presentation Earnings Update · Quarter ended 30-Jun-2026 August 07, 2026 Listings ISIN NSE: POWERGRID · BSE: 532898 INE752E01010 765 kV D/C KoppalII PS -Raichur Transmission Line Disclaimer By attendingthe meeting where this presentation is made, or by readingthe presentationslides, you agree to be boundby the followinglimitations: ▪ This document has been prepared for information purposes only and is not an offer or invitation or recommendation to buy or sell any securities of Power Grid Corporation of India Limited (the “Company”), nor shall part, or all, of this document form the basis of, or be relied on in connection with, any contract or investment decision in relation to any securities of the Company. ▪ The Company may alter, modify or otherwise change in any manner the contents of this presentation, without obligation to notify any person of such revision or changes. The Company relies on information obtained from sources believed to be reliable but does not guarantee its accuracy or completeness. ▪ This document contains statements about future events and expectations that are forward-looking statements. These statements typically contain words such as "expects" and "anticipates" and words of similar import. Any statement in this document that is not a statement of historical fact is a forward-looking statement that involves known and unknown risks, uncertainties and other factors which may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. None of the future projections, expectations, estimates or prospects in this document should be taken as forecasts or promises nor should they be taken as implying any indication, assurance or guarantee that the assumptions on which such future projections, expectations, estimates or prospects have been prepared are correct or exhaustive or, in the case of the assumptions, fully stated in the document. The Company assumes no obligations to update the forward-looking statements contained herein to reflect actual results, changes in assumptions or changes in factors affecting these statements. ▪ You acknowledge that you will be solely responsible for your own assessment of the market and the market position of the Company and that you will conduct your own analysis and be solely responsiblefor forming your own view of the potential future performance of the business of the Company. ▪ Neither the delivery of this document nor any further discussions of the Company with any of the recipients shall, under any circumstances, create any implication that there has been no changein the affairs of the Company since that date. ▪ AnnualAccounts for FY 2025-26are yet to be approvedby the shareholders. S T R U C T U R E Presentation Outline 01 Highlights & 02 Execution & 03 Competition Overview Operations 04 Order Pipeline 05 Financial 06 Sustainability & & Outlook Performance Recognitions H I G H L I G H T S & O V E R V I E W India's flagship power transmission utility ₹3.25 lakh crore+ 1,86,595 ckm 6,34,516 MVA 99.80% Gross Fixed Assets Transmission lines Transformation capacity System Availability On consolidated basis 1,595 nos. lines 291 nos. substations Consistently 99.5%+ availability MARKET POSITION CREDIT PROFILE DOMESTIC (Highest safety) AAA AAA AAA 51.34% ~ ₹2.66 lakh crore CRISIL ICRA CareEdge Govt. of India shareholding Market Cap INTERNATIONAL (At par with Sovereign; Outlook: Stable) 24.33%/ 20.70% BBB BBB- Baa3 FII/ DII Shareholding S&P Global Fitch Moody’s All information as on 30-June-2026 E X E C U T I O N & O P E R A T I O N S Major Elements Commissioned (Q1FY27) 1,635 10,500 After June’26, major ckm MVA elements completed Transmission lines Transformation capacity T R A N S M I S S I O N L I N E S Transmission Lines 765 kV Kurnool III -Maheshwaram Ckt1 & 2 765 kV Dausa -Beawar Ckt1 & 2 • 765 kV Raichur - Koppal II PS line • 400 kV Gadag II - Koppal II PS 400 kV New Navsari -Kala Ckt1 & 2 400 kV Kadapa -AnanthapuramCkt1 & 2 • 400 kV Bikaner II - Bikaner III T R A N S F O R M E R S Substation 765kV/ 1500 MVA 400kV/ 500 MVA 765/400 kV Koppal-II S/s Bikaner III KPS 3 Jabalpur PS Satna S/s Fatehgarh III Padghe GIS Ananthapuram Fatehgarh III E X E C U T I O N & O P E R A T I O N S Project Execution CAPEX CAPITALIZATION* FY 27 Guidance FY 27 Guidance ₹37,000 crore ₹30,000 crore 7,765 6,981 5,277 1,683 Q1 (₹ crore) Q1 (₹ crore) FY26 FY27 FY26 FY27 Capex & Capitalization figures are on consolidated basis * Capitalization includes assets capitalized as Finance Leaseand exclusive of FERV E X E C U T I O N & O P E R A T I O N S Operating Performance AVAILABILITY (%) TRIPPING PER LINE 99.84 99.80 0.09 99.75 0.08 Q1FY26 Q1FY27 Q1FY26 Q1FY27 E X E C U T I O N & O P E R A T I O N S 132 kV Mobile GIS also successfully developed, 220 kV Mobile GIS already in use Actual picture of 132 kV mobile GIS Bay Actual picture – 220kV Mobile GIS Bay Indigenously developed GIS systems to meet POWERGRID’s operational & technical requirements. 400kV variant under implementation C O M P E T I T I O N TBCB outcomes TBCB success till Jul’26 (ISTS + InSTS) - Annual Tariff (₹ crore) Performance 1. Krishnagiri REZ Phase-I Cumulative tariff market share across 2. WR-ER Network Expansion (Part-A) all ISTS TBCB projects since inception > ₹2,200 Crore 3. TS for GH2 in Kakinada (Phase-I) Annual Tariff Projects bid in FY27 (till Jul’26) 4. SynCon at Fatehgarh-II 19 nos. 5. Augmentation @ Bhadla-III, Ramgarh & (ISTS + InSTS) Kanpur 6. Bidar (Karnataka) (InSTS) POWERGRID success in FY27 (till Jul’26) 6 nos. (ISTS + InSTS) C O M P E T I T I O N India’s first SynCon scheme secured under TBCB 1st Maiden Two SynCon TBCB scheme in India POWERGRID’s foray into a new Synchronous Condenser units reactive power support for a RE-heavy grid asset class + associated 400 kV bays WHY IT MATTERS • Enhancement in System Strength/ Short Circuit Ratio • Fast Reactive Power Support during Faults/Transients • Increased Grid Inertia • Damping of Low Frequency Oscillations O R D E R P I P E L I N E & O U T L O O K Transmission Outlook - POWERGRID & Sector Total Outlook POWERGRID Works in Hand# Bidding Pipeline* Long Term Sectoral Opportunity (~ ₹1.75 lakh crore) (> ₹1.19 lakh crore) (> ₹15 lakh crore) # As on 30-Jun-2026 * As on 31-July-2026 Brahmaputra Under Bids to be CEA 900+ GW OSOWOG TBCB RTM OTHERS Basin Hydro Bidding floated Plan opportunity Outlook O R D E R P I P E L I N E & O U T L O O K ~ ₹1.75 lakh crore works in hand C O M P O S I T I O N TBCB ₹1,46,315 Crore 83% RTM ₹25,168 Crore 14% [excludes Pang-Kaithal (₹22,942 Crore), Offshore projects (₹13,142 Crore)] Other Business ₹4,217 Crore 3% SmartMetering·DataCentre·Cross-Border·Int’l·BESS Total works in hand ₹1,75 [Showing first 8,000 characters — download PDF for full document]