Investor Presentation proposed to be given at Analysts and Institutional Investors meet to be held on Tuesday, 03.11.2026 at Mumbai.

3rd November, 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: INE752E01010 Sub: Presentation for Analysts’ & Institutional Investors’ Meet scheduled to be held on 3rd November, 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 Analysts’ & Institutional Investors’ Meet, scheduled to be held on Tuesday, 3rd November, 2026 at 15:00 hrs. (IST) at Mumbai. Thanking You, Yours faithfully, (Anjana Luthra) Company Secretary & Compliance Officer Encl.: As above के(cid:574)ीय काया(cid:330)लय: "सौदािमनी", (cid:600)ॉट नंबर 2, से(cid:387)र -29, गु(cid:348)(cid:356)ाम -122001, (ह(cid:303)रयाणा) दूरभाष: 0124-2822999 & 2822000 Corporate Office: “Saudamini”, Plot No. 2, Sector-29, Gurugram-122001, (Haryana) Tel.: 0124-2822999 & 2822000 पंजीकृत काया(cid:330)लय: बी -9, कुतुब इं(cid:720)ी(cid:488)ूशनल ए(cid:303)रया, कटवा(cid:303)रया सराय, नई िद(cid:671)ी -110 016. दूरभाष: 011-26560112, 26560115 & 26560193, CIN: L40101DL1989GOI038121 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 Q2 & H1 FY27 Investor Presentation Earnings update · Quarter and half-year ended 30-Sep-2026 November 03, 2026 Listings ISIN NSE: POWERGRID · BSE: 532898 INE752E01010 Gooty–PavagadhaTransmission Line DISCLAIME R Disclaimer By attending the meeting where this presentation is made, or by reading the presentation slides, you agree to be bound by the following limitations: ▪ 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 securitiesof 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 responsible for 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 implicationthat there hasbeen no changein the affairs of the Companysincethat date. ST RUCT URE Presentation outline 01 Highlights & 02 Execution & 03 Competition Overview Operations 04 Order Pipeline 05 Financial 06 Sustainability & & Outlook Performance Recognitions HIG HLIG HT S & OVE RVIE W India's flagship power transmission utility ₹3.29 lakh crore+ 1,87,576 ckm 6,49,116 MVA 99.81% Gross fixed assets* Transmission lines Transformation capacity System availability (H1 FY27) (On consolidated basis) (1606 nos. lines ) (293 nos. substations) (Consistently 99.75%+ availability) Shareholding Pattern Credit Profile 51.34% 24.03% / 20.91% International Domestic (At par with Sovereign; Outlook (Highest safety) GoIshareholding FII / DII shareholding Stable) CRISIL ICRA CareEdge S&P Fitch Moody's AAA AAA AAA BBB BBB- Baa3 ~ ₹2.42 lakh cr Market cap ▪ S&P reaffirmed 'BBB' (Stable) in Sep-2026 ▪ Moody's reaffirmed 'Baa3' (Stable) in Aug-2026 SPV Rationalization: 28 SPVs to be merged into 2# other SPVs ▪ Leaner structure and stronger governance #POWERGRID GhirorTransmission Limited and Data as on 30-Sep-2026. POWERGRID South OlpadTransmission Limited E XE CUT ION & OP E RAT IONS Major elements commissioned (Q2 FY27) H1 FY 2026-27 981 14,600 ckm MVA ▪ 2,616 ckm transmission lines Transmission lines Transformation capacity ▪ 25,100 MVA transformation capacity S u b s t a t i o n s T r a n s m i s s i o n L i n e s TBCB Projects Fully Koppal-II PS –Raichur Commissioned 765 kV Bidar PS –Maheshwaram Koppal–II 765 kV Sikar-II –Khetri Bidar ▪ Ramgarh –II Transmission system ▪ Bidar Transmission system 400 kV Bikaner-II –Bikaner-III After Sept’26, major elements commissioned Transmission Lines Substations • 765 kV Koppal-II PS – Narendra (New) • Gadag – II PS • 400 kV Koppal-II PS – Gadag-II PS TBCB Project Commissioned: KoppalGadag Transmission system E XE CUT ION & OP E RAT IONS Project execution: capex and capitalisation CAPEX CAPITALISATION* FY27 guidance: ₹37,000 - 40,000 crore FY27 guidance ₹25,000 - 30,000 crore 16,864 9,300 15,385 9,099 8,404 4,023 3,888 2,205 Q2 H1 Q2 H1 FY26 FY27 FY26 FY27 ₹ crore, Capex & Capitalisaitonon consolidated basis. * Includes assets capitalisedas finance lease; excludes FERV. E XE CUT ION & OP E RAT IONS Operating performance ▪ Availability ▪ 99.81% in H1 FY27 vis-à-vis H1 FY26: 99.83% ▪ Above the 99.75% level that earns full incentive ▪ Tripping per line ▪ 0.17 in H1 FY27, unchanged from H1 FY26 ▪ NTAMC upgradation completed Srinagar – Drass Line Restoration ▪ I3SOC operationalised (29 Oct 2026) 11,800 ft, -10°C NTAMC: National Transmission Asset Management Centre 7 I3SOC: Integrated Indigenous Information Security Operation Centre E XE CUT ION & OP E RAT IONS Building capability: technology and supply chain Indigenous 220 kV mobile GIS bay charged ▪ Rapid deployment for Emergencies ▪ Boosts grid resilience and uptime E XE CUT ION & OP E RAT IONS Building capability: SiC based Power Modules for VSC- HVDC System MeitY, MoP and POWERGRID collaboration for: ▪ Indigenous design and development of Silicon Carbide (SiC) MOSFET-based power modules for Voltage Source Converter (VSC) HVDC ▪ ~13,000 SiC power modules of various voltage classes (3.3 kV, 4.5 kV, 6.5 kV) to be developed and deployed by 2030–31 ▪ Pilot: POWERGRID’s 1,000 MW Pusauli Back-to- Back upgradation to VSC-HVDC E XE CUT ION & OP E RAT IONS Building capability: technology and supply chain • Insulated Aerial Work Platform (IAWP) deployed • Heavy Lift Programmable Drone (having payload capacity of 100kg developed and deployed) • Enables safe & efficient maintenance without need for system outages • Capable to transport of materials like tower parts, cement bags, and insulator strings etc. to difficult to [Showing first 8,000 characters — download PDF for full document]