Tamilnad Mercantile Bank Limited has informed the Exchange about Provisional Business Figures of the Bank as on 30th September, 2026

Secretarial Section Head Office, 57- V.E. Road, Thoothukudi – 628 002. ☏: 0461-2325136 e-mail : secretarial@tmb.bank.in CIN: L65110TN1921PLC001908 Ref.No.TMB.SE.72/2026-27 01.10.2026 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: Intimation under the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Business Updates for the quarter ended 30th September, 2026. In accordance with the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information in terms of Regulation 8 of the SEBI (Prohibition of Insider Trading) Regulations, 2015, we would like to inform about the following provisional business figures of the Bank as on 30th September, 2026. (₹ in Crore) As of As of As of Gro wth Gro wth 30.09.2025 30.09.2026 30.06.2026 Particulars Reviewed Provisional* Y-o-Y (%) Reviewed Q-o-Q (%) 1,02,351 Total Business 1,30,261 27.27% 1,21,715 7.02% Total Advances 46,930 60,715 29.37% 57,306 5.95% Total Deposits 55,421 69,546 25.49% 64,409 7.98% CASA 15,163 17,629 16.26% 16,852 4.61% * Subject to limited review by the Statutory Central Auditors of the Bank. Kindly take the information on record. Yours faithfully, For Tamilnad Mercantile Bank Limited Swapnil Yelgaonkar Company Secretary & Compliance Officer