With reference to the earlier announcement dated June 01, 2026 regarding Notice of Offer for Sale of Shares, The President of India, acting through and represented by the Ministry of Power, Govemment of India (the \Seller\) has informed BSE as under:

\We refer to the notice dated June 1, 2026 (\Notice\) sent by the Seller to the Stock Exchanges wherein, the President of India, acting through the Ministry of Power, Government of India (the \Seller\), being the promoter of the Company (the \Seller\) proposed to sell 3.00% of the paid-up equity share capital (equivalent to 30,13,51,044 Equity Shares) held in the Company (\Base Offer Size\) on June 2, 2026 (\T day\) (for non-Retail Investors only) and on June 3, 2026 (\T+1 Day\) (for Retail, Employee and for non-Retail Investors who choose to carry forward their un-allotted bids)(with an option to additionally sell up to 30,13,51,044 Equity Shares i.e. 3.00% of the paid up equity share capital of the Company (the \Oversubscription Option\ and in the event the Oversubscription Option is exercised, the Equity Shares forming part of the Base Offer Size and the Oversubscription Option i.e., 60,27,02,088 Equity Shares, will represent 6.00% of the total paid-up equity share capital of the Company as on March 31, 2026, and collectively hereinafter be referred to as \Offer Shares\.). In case the Oversubscription Option is not exercised, the equity shares forming part of the Base Offer Size will hereinafter be referred to as \Offer Shares\ through a separate, designated window of the BSE and NSE, collectively representing 60,27,02,088 equity shares i.e. 6.00% of the total paid up equity share capital of the Company as on March 31, 2026 (held in dematerialized form in one or more demat accounts with the relevant depository participant) in accordance with the OFS Guidelines (such offer for sale hereinafter referred to as the \Offer\).

In this connection, we wish to intimate the Stock Exchanges of our intention to exercise the Oversubscription Option to the extent of up to 30,13,51,044 Equity Shares (representing 3% of the total issued and paid-up equity share capital of the Company) in addition to 30,13,51,044 Equity Shares of the Company (representing 3.00% of the total issued and paid-up equity share capital of the Company) forming part of the Base Offer Size. Accordingly, the total Offer size will be 60,27,02,088 Equity Shares (representing 6% of the total paid up equity share capital of the Company as on March 31, 2026).

Consequently, 6,02,70,210 Equity Shares i.e. 10% equity shares of the offer would be reserved for allocation to Retail Investors, subject to receipt of valid bids, as part of the Offer on June 3, 2026.

Additionally, up to 45,20,265 equity shares may be offered in addition to the 45,20,265 Equity Shares aggregating up to 90,40,530 equity shares of the Company offered under the Employee Offer to the eligible employees of the Company, in accordance with the terms and conditions provided in the OFS guidelines, or any other limit as may be approved by the competent authority (the \Updated Employee Offer\). The eligible employees may apply for equity shares up to Rs. 500,000. However, any bids by eligible employees will be considered for allocation, in the first instance, for an amount up to Rs. 200,000 only.

The settlement shall be done as per the existing rules of secondary market transactions.

All capitalised terms not defined in this intimation letter shall have the same meanings as ascribed to them in the Notice.\