Certificate under SEBI (Depositories and Participants) Regulations, 2018

TARAPUR TRANSFORMERS LTD. Dated: 13th October 2026 Department of Corporate Services The Manager-Listing Department BSE Ltd. National Stock Exchange of India Limited P.J. Towers, Dalal Street, Exchange Plaza, BandraKurla Complex, Mumbai - 400 001 Bandra (East), Mumbai – 400 051 Stock Code: 533203 Stock Code: TARAPUR Sub: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter and half year ended September 30, 2026. Dear Sir/Ma’am, Pursuant to regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, we herewith submit the certificate issued by Big share Services Private Limited, Registrar and Share Transfer Agent of the Company for the quarter and half year ended September 30, 2026. This is for your kind information and records. Thanking you, Yours faithfully, For Tarapur Transformers Limited, Yash Betkar Director DIN: 10944640 Admin Office: S-112, 1st Floor, Rajiv Gandhi Commercial Complex, Ekta Nagar, Kandivali (West), Mumbai- 400 067, India. Tel: 02525-272996, Website: www.tarapurtransformers.com, email: complianceofficer@ tarapurtransformers.com, CIN: L99999MH1988PLC047303 Ref No. BSS/SE-AU 12/10/2026 TARAPUR TRANSFORMERS LIMITED INE747K01017 UNIT NO. 211 2ND FLOOR NEO CORPORATE PLAZA KACHPADA NEAR KAPOLWADI RAMCHANDRA LANE MALAD (W) MUMBAI 400064 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