General Updates

DOC:SEC:1950/2026-27/211 September 8, 2026 National Stock Exchange of India Limited Exchange Plaza, 5th Floor, Plot No. C/1, BSE Limited G- Block, Bandra – Kurla Complex, Phiroze Jeejeebhoy Towers, Bandra (East), Dalal Street, Mumbai – 400 051 Mumbai – 400 001 SCRIP CODE: CESC SCRIP CODE: 500084 Dear Sir/ Madam, Sub: Incorporation of Subsidiary Companies Ref: Disclosure under Regulation 30 read with Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations, 2015”) Pursuant to provisions of Regulation 30 of SEBI Listing Regulations, 2015, read with the SEBI Circulars, it is hereby informed that the Company has incorporated the following two wholly owned subsidiary companies: Name of the Companies CIN Date of Incorporation Purvah Nexgen Energy U35105WB2026PTC289483 September 8, 2026 Private Limited RPSG Nexgen Energy U35105WB2026PTC289476 September 8, 2026 Private Limited The details required to be furnished in compliance with the above Regulation 30 is enclosed herewith as “Annexure-A”. We request you to kindly take the above information on record and oblige. Thanking you Yours faithfully, For CESC Limited Jagdish Patra Company Secretary & Compliance Officer Annexure-A Particulars Details Details 1. Name of the target entity, details in Name of the subsidiary Name of the subsidiary brief such as size, turnover etc. incorporated: Purvah Nexgen incorporated: RPSG Nexgen Energy Private Limited (“PNEPL”) Energy Private Limited (“RNEPL”) Turnover: Not applicable as it is a Turnover: Not applicable as it is a newly incorporated Company newly incorporated Company 2. Whether the acquisition would fall PNEPL has been incorporated as a RNEPL has been incorporated as a within related party transaction(s) and wholly owned subsidiary of the wholly owned subsidiary of the whether the promoter/ promoter group/ Company. Company. group companies have any interest in the entity being acquired? If yes, nature of interest and details thereof and whether the same is done at “arm’s length” 3. Industry to which the entity being Renewable power Renewable power acquired belongs 4. Objects and impact of acquisition PNEPL will explore opportunity in RNEPL will explore opportunity in (including but not limited to, renewable power sector. renewable power sector. disclosure of reasons for acquisition of target entity, if its business is outside the main line of business of the listed entity) 5. Brief details of any governmental or Not applicable as PNEPL is a newly Not applicable as RNEPL is a regulatory approvals required for the incorporated Company. newly incorporated Company. Acquisition 6. Indicative period for completion of the Not applicable as PNEPL has been Not applicable as RNEPL has been acquisition newly incorporated. newly incorporated. 7. Consideration - whether cash PNEPL is a WOS of the Company. RNEPL is a WOS of the Company. consideration or share swap or any The subscribed and paid-up capital of The subscribed and paid-up capital of other form and details of the same PNEPL is Rs. 1,00,000/- (Rupees RNEPL is Rs. 1,00,000/- (Rupees One Lakh Only) One Lakh Only) 8. Cost of acquisition and/or the price at Please see point (7) above. Please see point (7) above. which the shares are acquired 9. Percentage of shareholding / PNEPL has been incorporated as a RNEPL has been incorporated as a control WOS of the Company. The Company WOS of Purvah. The Company holds acquired and / or number of shares holds 100.00 % in PNEPL. 100.00 % in RNEPL. acquired 10. Brief background about the entity Please see point (1) to (4) above. Please see point (1) to (4) above. acquired in terms of products/line of business acquired, date of Date of Incorporation is September 8, Date of Incorporation is September 8, incorporation, history of last 3 years 2026. 2026. turnover, country in which the acquired entity has presence and any other significant information (in brief)