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

rs. 2

of the Company since that date. Annual Accounts for FY 2024-25 are to be approved by the shareholders. 2 Overall Agenda POWERGRID Today Project Execution Operations Financials Other Businesses Future

51.34%

es 3 POWERGRID at a Glance India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 26.51% | DIIs: 18.55% IR CAPACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Ex

26.51%

D at a Glance India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 26.51% | DIIs: 18.55% IR CAPACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Excellent” SINCE

18.55%

India's FLAGSHIP Power Transmission Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 26.51% | DIIs: 18.55% IR CAPACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Excellent” SINCE 1993-94 OPERA

101GW

on Utility MAJOR SHAREHOLDING# GoI: 51.34% | FIIs: 26.51% | DIIs: 18.55% IR CAPACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Excellent” SINCE 1993-94 OPERATES ≍ 84% OF INTER-REGIONAL NET

120GW

AREHOLDING# GoI: 51.34% | FIIs: 26.51% | DIIs: 18.55% IR CAPACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Excellent” SINCE 1993-94 OPERATES ≍ 84% OF INTER-REGIONAL NETWORKS # As on 30.06

84%

APACITY* POWERGRID: ~101GW | All India: ~120GW MOU RATING: “Excellent” SINCE 1993-94 OPERATES ≍ 84% OF INTER-REGIONAL NETWORKS # As on 30.06.2025 *Inter-Regional Transmission Capacity of POWERGRID

1,01,180 MW

Sub-Stations IR capacity System Availability 1,548 nos. 1,80,849 ckm 286 nos.# 5,71,331 MVA 1,01,180 MW 84% of total IR 99.84% NATIONAL TRANSMISSION DOMINANCE 18 HVDC Substations 69 765 kV Substation

99.84%

System Availability 1,548 nos. 1,80,849 ckm 286 nos.# 5,71,331 MVA 1,01,180 MW 84% of total IR 99.84% NATIONAL TRANSMISSION DOMINANCE 18 HVDC Substations 69 765 kV Substations 199 Substations (400

rs 6

20 SVC/ STATCOMS 67 GIS Substations >2,90,000 Transmission Towers >3,800 Transformers & Reactors 6 # Excluding PGInvIT substations Availability up to Q1FY26 and other information as on 31.07.2025 6

99.83%

ial Highlights –Q1FY21 (Standalone) Operational Metrics Availability Tripping per line per year 99.83% 99.82% 99.85% 99.82% 99.84% 99.78% 99.75%* 0.36 0.33 0.27 0.28 0.27 FY21 FY22 FY23 FY24

“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.”

“Backbone Availability 100% Intra City Network (Across India) 500 Cities 1st ILD link* of 10G capacity commissioned * International Long Distance PowerTel was felicitated for its role in a project of national importance 22 Financial Highlights –Q1FY21 (Standalone) Consultancy Highlights (Q1FY26) Total Income# ₹121 Cr.”

Sub

1

Committed to

1

Sub

Presentation for Investors’ & Analysts’ meet Scheduled to be held on 01st August, 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 Investors’ & Analysts’ meet scheduled to be held at 11:00 A.M. (IST) on Friday, 01st August, 2025 in Mumbai. 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 Office:

Committed to

• 50% electricity consumption from RE • Net Water Positive • Zero Waste to Landfill • Net Zero by 2047 • Maintain “Zero Fatality” status Watershed year in POWERGRID’s Sustainability Journey Anti-Bribery Management System ISO 37001 certification by BIS 2023-24 • Focused initiatives on minimizing SF6 leakage • Retro filling of Bus Reactor with Ester oil • Rainwater Harvesting • All women substations Engaged with value chain partners to align them with POWERGRID’s ESG goals • 1st ICT with Ester Oil • 85 MW Solar PV Project • Exploring alternatives for SF6 • Rooftop Solar 2024-25 Sustained efficacy in disclosures Leaping towards our ESG Goals 132 kV SF6 alternative CB 315MVA Synthetic Ester ICT 2025-26 & beyond Major Initiatives Other Initiatives: A. Narrow tower base structures minimizing RoW; B. Adopted ‘Willing Buyer Willing Seller’ in land procurement 29 Strong ESG Ratings 55 (Adequate) 63 (Towards Excellent) Domestic Last Update: April 2025 Last Update: June 2025 International 42 (Dat