Power Grid Corporation of India Limited

rs,

x, Bandra (East), Mumbai. To The General Manager (Listing) BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai. Reference: NSE-SCRIP ID: POWERGRID; BSE Scrip Code: 532898 EQ – ISIN: INE7

51.34%

lades 3 Powered by Purpose India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 25.67% | DIIs: 19.39% # As on 30.09.2025 SUBSIDIARIES: 74 | JOINT VENTURES: 13 MOU RATI

25.67%

ed by Purpose India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 25.67% | DIIs: 19.39% # As on 30.09.2025 SUBSIDIARIES: 74 | JOINT VENTURES: 13 MOU RATING: “Excellent”

19.39%

India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 25.67% | DIIs: 19.39% # As on 30.09.2025 SUBSIDIARIES: 74 | JOINT VENTURES: 13 MOU RATING: “Excellent” SINCE 1993-94

101 GW

Sub-Stations IR* capacity System Availability 1,553 nos. 1,81,054 ckm 287 nos.# 5,82,516 MVA ~101 GW 84% of total IR * Inter-Regional Capacity 99.83% >2,90,000 TRANSMISSION TOWERS 18 HVDC SUBSTAT

84%

tions IR* capacity System Availability 1,553 nos. 1,81,054 ckm 287 nos.# 5,82,516 MVA ~101 GW 84% of total IR * Inter-Regional Capacity 99.83% >2,90,000 TRANSMISSION TOWERS 18 HVDC SUBSTATIONS

99.83%

,553 nos. 1,81,054 ckm 287 nos.# 5,82,516 MVA ~101 GW 84% of total IR * Inter-Regional Capacity 99.83% >2,90,000 TRANSMISSION TOWERS 18 HVDC SUBSTATIONS 70 765 kV SUBSTATIONS 168 400 kV SUBSTATION

RS 18

82,516 MVA ~101 GW 84% of total IR * Inter-Regional Capacity 99.83% >2,90,000 TRANSMISSION TOWERS 18 HVDC SUBSTATIONS 70 765 kV SUBSTATIONS 168 400 kV SUBSTATIONS 31 SUBSTATIONS (below 400 kV) 20

20%

g of indigenously developed Insulated Cross Arms at the 400kV voltage level in India 02 Enables ~20% reduction in Right-of-Way (RoW) requirements, supporting faster project execution and lower compen

₹3,440

een accorded in-principle approval for upgradation of Sasaram HVDC project at an estimated cost of ₹3,440 Cr. under RTM since the project is approaching end of its useful life. • 500 MW LCC to 1000 MW VSC.

500 MW

estimated cost of ₹3,440 Cr. under RTM since the project is approaching end of its useful life. • 500 MW LCC to 1000 MW VSC. • By developing indigenous supply chain for HVDC technology. 9 ITAMS Global

1000 MW

t of ₹3,440 Cr. under RTM since the project is approaching end of its useful life. • 500 MW LCC to 1000 MW VSC. • By developing indigenous supply chain for HVDC technology. 9 ITAMS Global Benchmarking ▪

“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.”

“each 220kV and 132kV Trailer mounted containerized Mobile GIS Bay envisaged as regional spare for NER Region Financial Highlights –Q1FY21 (Standalone) Development of Indigenous Supply chain for HVDC Technology • POWERGRID has been accorded in-principle approval for upgradation of Sasaram HVDC project at an estimated cost of ₹3,440 Cr.”

“under RTM since the project is approaching end of its useful life.”

“and rounded off to the nearest thousands Works in Hand CAGR (FY20 – H1FY26) ~22% TBCB Works in Hand CAGR (FY20 – H1FY26) ~48% Execution Pipeline Building a Sustainable Energy Future Together… TARIFF BASED COMPETITIVE BIDDING NEW REGULATED TARIFF MECHANISM ₹1,02,992 Cr.”

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Sub

Presentation on Webinar for Investors & Analysts scheduled to be held on 04th November, 2025 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 Tuesday, 04th November, 2025 at 04:00 P.M (IST). Thanking You, Encl.: As above Yours faithfully, (Satyaprakash Dash) Company Secretary & Compliance Officer 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) दू रभाष: 0124-2822999 & 2822000 Corporate Office: “Saudamini”, Plot No. 2, Sector-29, Gurugram-122001, (Haryana) Tel.: 0124-2822999 & 2822000 पंजीकृ त काया(cid:330)लय: बी -9, कु तुब इं(cid:720)ी(cid:488)ूशनल ए(cid:303)रया, कटवा(cid:303)रया सराय, नई िद(cid:671)ी -110 016. दू रभाष: 011-26560112, 26560115 & 26560193, CIN: L40101DL1989GOI038121 Registered Offi

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o Focus on reliability, efficiency and continuous improvement 10 PGI* *PGI denotes POWERGRID Asset Management Score 4.14 5 4 3 2 1 0 3.22 2023 2025 Global Average 3.64 Global Average 3.68 Financial Highlights –Q1FY21 (Standalone) Project Execution Capex & Commissioning Major Elements Commissioned 11 Capex & Capitalization Capex Capitalization# (₹ in crore) (₹ in crore) 15,385 4,587 * 4,006 10,002 8,404 5,387 2,205 1,686 Q2 6M Q2 6M FY25 FY26 Consolidated FY25 FY26 Consolidated # Exclusive of FERV # Includes assets capitalised as Finance Lease *As on date 12 Financial Highlights –Q1FY21 (Standalone) Major Elements Commissioned (till date) ~ 857 ckm TRANSMISSION LINE AND 30,555 MVA TRANSFORMATION CAPACITY COMMISIONED Transformation Capacity (MVA) Transmission Line (Ckm) 3 nos. 765/400 kV 1500 MVA ICTs at KPS #3 2 nos. 765/400 kV 1500 MVA ICTs at Ahmedabad 2 nos. 765/400 kV 1500 MVA ICTs at New Navsari S/s 2 nos. 765/400 kV 1500 MVA ICTs at Fatehgarh - III 765/400 kV 1500 MVA ICT-IV at Bi