Certificate under SEBI (Depositories and Participants) Regulations, 2018

Secretarial Section Head Office, 57- V.E. Road, Thoothukudi – 628 002. ☏: 0461-2325136 e-mail : secretarial@tmbank.in CIN: L65110TN1921PLC001908 Ref.No.TMB.SE.42/2026-27 03.07.2026 The Manager The Manager National Stock Exchange of India Limited, BSE Limited, Exchange Plaza, 5th Floor, Plot No. C/1, Phiroze Jeejeebhoy Towers, 'G' Block, Bandra - Kurla Complex, Dalal Street, Bandra (East), Mumbai - 400 051. Mumbai – 400 001. Ref: Symbol: TMB / Scrip Code: 543596 Dear Sir / Madam, Sub: - Certificate as per Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, for the quarter ended June 30, 2026. We are enclosing the certificate in compliance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, issued by our Registrar and Share Transfer Agent, M/s. MUFG Intime India Private Limited (formerly known as Link Intime India Private Limited) for the quarter ended June 30, 2026. Kindly take the information on record. Yours faithfully, For Tamilnad Mercantile Bank Limited Swapnil Yelgaonkar Company Secretary & Compliance Officer 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 : 01-07-2026 The Compliance Officer/ Company Secretary TAMILNAD MERCANTILE BANK LIMITED HEAD OFFICE 57 V E ROAD TUTICORIN TIRUNELVELI PINCODE : 628002 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 June 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