We enclose herewith the Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026.

Regd. Oflice : 'lndsil House', T.V Samy Road (West), R.S. Puram I N DSI L HYDRo POWER AND MANGANESE LIlvtITED C Pho oim nb ea ;t o (+re 9 1- / 06 )4 1 (4 0 20 22 ) . 4522922,23 Fax : (+91to) (422) 4522925 e-mail : indsilho@indsil.com website : www.indsil.com CIN : 1271 0'1T21990P1C002849 October 7, 2026 National Securities Depository Limited Central Depository Services lndia Limited Trade World, 5th Floor, 25th Floor, Marathon Futurex, Kamala Mills Compound, Mafatlal Mills Compounds, Senapati Bapat Marg, N M Joshi Marg, Lower Parel (E) Lower Parel, Mumbai - 400 013. Mumbai - 400013. Sub: Certificate under Regulation 7a (5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026 522165 Ref: Scrip Code: lSlN(S): 1NE867D01018 Dear Sir/Madam, Based on the confirmation received from M/s. MUFG lntime lndia Pvt. Ltd., (Formerly Link lntime lndia Pvt. Ltd.), Registrar and Share Transfer Agent of the Company, we hereby certify that the securities received for dematerialization have been mutilated and cancelled after due verification and the name of the depository has been substituted in our records as the registered owner within 15 days of receipt of certificate of security and the details are furnished to the stock exchange, for the quarter ended September 30, 2026. Further, we certify that the securities which were dematerialized are listed on the Stock Exchange where the earlier issued securities are listed. A copy of the confirmation received from the Registrar and Share Transfer Agent of the Company is enclosed herewith. We request you to take this information on record. Thanking you, Yours faithfully, For INDSIL HYDRO POWER AND MANGANESE LIMITED KALIDOSS U COMPANY SECRETARY & COMPLIANCE OFFICER BSE Limited MUFG lntime lndia Pvt. Ltd. 25th Floor, (Formerly Link lntime lndia Pvt. Ltd.) Phiroze Jeejeebhoy Towers, Dalal Street Registrars and Share Transfer Agents Mumbai- 40000'l "Surya" 35, Mayflower Avenue, Behind Senthil Nagar, Sowripalayam Road, Coimbatore-641028 Unit.l : Factory: Vl -679, Pallatheri, Elapully, PALAKKAD - 678 007, Kerala. Phone : (+91/0) (49'l ) 2967333 E-mail : ieloffce@indsil.com Unit .ll : Factory : Merakamudidam Mandal, GARBHAM - 535 102, Vizianagaram, Andhra Pradesh. lilobile : 80084 44727 MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 03-10-2026 The Compliance Officer/ Company Secretary INDSIL HYDRO POWER AND MANGANESE LIMITED INDSIL HOUSE T.V.SWAMY ROAD WEST R.S.PURAM COIMBATORE COIMBATORE PINCODE : 641002 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 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 exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services