Tamilnad Mercantile Bank Limited has informed the Exchange about the 'Celebration of the 105th Foundation Day of the Bank today (11.11.2026) in the august presence of Shri C. P. Radhakrishnan, Hon''ble Vice President of India, as the Chief Guest, and Shri Rajendra Vishwanath Arlekar, Hon''ble Governor of Tamil Nadu, as the Guest of Honour'

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.94/2026-27 11.11.2026 The Manager The Manager National Stock Exchange of India Ltd, 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 Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Celebration of the 105th Foundation Day of the Bank Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Bank celebrated its 105th Foundation Day today, i.e., 11th November 2026 at Thoothukudi (Tuticorin), Tamil Nadu. The occasion was graced by the august presence of Shri C. P. Radhakrishnan, Hon'ble Vice President of India, as the Chief Guest, and Shri Rajendra Vishwanath Arlekar, Hon'ble Governor of Tamil Nadu, as the Guest of Honour. The occasion marked a significant milestone in the Bank's journey of over a century of dedicated service to its customers and stakeholders. The celebration commemorated the Bank's legacy, achievements and continued commitment towards providing customer-centric banking services and contributing to the nation's economic development. The event was attended by distinguished dignitaries, members of the Board, senior management officials, employees and other invitees. Kindly take the information on record. Yours faithfully, For Tamilnad Mercantile Bank Limited Swapnil Yelgaonkar Company Secretary & Compliance Officer