General Updates

Secretarial Section Head Office, 57- V.E. Road, Thoothukudi – 628 002. ☏: 0461-2325136 e-mail : secretarial@tmbank.in CIN: L65110TN1921PLC001908 Ref.No.TMB.SE.41/2026-27 01.07.2026 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: Intimation under the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Business Updates for the quarter ended 30th June, 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Obligations and Disclosure Requirements) Regulations, 2015 and Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information in terms of Regulation 8 of the SEBI (Prohibition of Insider Trading) Regulations, 2015, we would like to inform about the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 June, 2026. (₹ in Crore) As of As of As of 30.06.2025 30.06.2026 Growth 31.03.2026 Growth Particulars Y-o-Y Q-o-Q Reviewed Provisional* Audited (%) (%) Total Business 98,923 1,21,715 23.04 1,15,091 5.76 Total Advances 45,120 57,306 27.01 53,379 7.36 Total Deposits 53,803 64,409 19.71 61,712 4.37 CASA 14,411 16,852 16.94 17,365 (2.95) * 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