As per attachment.

Date: 15/10/2026 The Secretary, The Bombay Stock Exchange, Phiroze Jeejeebhoy Towers Dalal Street Mumbai- 400001 BSE Code: 513575 SUBJECT: Certificate under Regulation 74(5) of SEBI (Depositories & Participants) Regulations, 2018 for the quarter ended on 30th September, 2026. Dear Sir, In terms of Regulation 74(5) of SEBI (Depositories & Participants) Regulations, 2018, we are enclosing herewith a copy of certificate received from Bigshare Services Private Limited, the Registrar and Share Transfer Agent of the Company for the quarter ended on 30th September, 2026. Kindly take the same on record and oblige. Thanking You. FOR STERLING POWERGENSYS LIMITED SANKARAN VENKATA SUBRAMANIAN MANAGING DIRECTOR DIN: 00107561 Ref No. BSS/SE-AU 13/10/2026 STERLING POWERGENSYS LIMITED INE067E01013 Office No. 816, 8th Floor Rajhans Helix 3 Opp HDFC Bank, L.B.S. Marg, Ghatkopar west MUMBAI 400086 Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026 Dear Sir, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository Participants for dematerialization up to 30th September 2026 were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchange where the earlier issued securities are listed. We hereby confirm that the security certificates received for dematerialization have been mutilated & cancelled after due verification by the depository Participant and the name of the depositories have been substituted in register of members as registered owner within 15 days of receipt of certificate of securities. Note: We hereby confirm that during the quarter ended 30th September 2026, we have not received any Demat & Remat request for processing. We request you to kindly take note of the above in your records. Thank you, Yours faithfully, For Bigshare Services Pvt. Ltd., Sandeep More Authorised Signatory