Tamilnad mercantile bank Limited has announced that its Board of Directors will meet on February 4, 2026, to consider and approve the unaudited financial results for the quarter ended December 31, 2025. The announcement was made through an official communication to the National Stock Exchange of India Limited and Bombay Stock Exchange Limited on January 12, 2026.

Board Meeting Details

The meeting has been scheduled in accordance with Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The primary agenda involves the consideration and approval of the bank's unaudited financial results for Q3FY26.

Trading Window Restrictions

In compliance with insider trading regulations, Tamilnad Mercantile Bank has implemented a trading window closure for dealing in the bank's securities. The restriction period extends from January 1, 2026, to February 6, 2026, both days inclusive.

The trading window closure applies to:

• Directors of the bank
• Key Managerial Personnel (KMPs)
• Designated employees
• Relatives of all designated persons
• Connected persons

Regulatory Compliance

The bank's announcement follows the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, and the bank's internal Code of Conduct for Prevention of Insider Trading. This trading window closure was communicated as a continuation of an earlier intimation dated December 24, 2025.

The notice has been hosted on the bank's official website at www.tmb.in in compliance with Regulation 46 of the SEBI Listing Regulations. The communication was signed by Swapnil Yelgaonkar, Company Secretary and Compliance Officer, and bears the reference number TMB.SE.135/2025-26.

Tamilnad Mercantile Bank has received a monetary penalty of ₹17.88 lakh from GST authorities for violations related to GST payments during the period from April 2018 to March 2021. The bank disclosed this development to stock exchanges on January 2, 2026, in compliance with regulatory requirements.

Penalty Details and Breakdown

The Superintendent of CGST & Central Excise, Tuticorin South Range, Tuticorin Division, imposed the penalty through order no. GST/TTN/SUPDT/SOUTH/45/2025 dated December 31, 2025. The penalty comprises two components related to different GST violations.

Legal Framework and Violations

The penalty has been imposed under the provisions of Section 74(9) read with Section 122(2)(a) of the CGST Act, 2017 and Section 20 of the IGST Act, 2017. The violations specifically relate to:

• Non-payment of GST on "Less Previously Collected" transactions
• Non-payment of GST on Tax Deducted at Source (TDS) matters
• Period of violation spanning from April 2018 to March 2021

Bank's Response and Next Steps

Tamilnad Mercantile Bank received the penalty order on January 1, 2026, and has indicated its intention to challenge the decision. The bank is in the process of filing an appeal before the Commissioner of GST & Central Excise (Appeals).

Financial Impact Assessment

According to the bank's disclosure, the penalty amount of ₹17.88 lakh is not considered material in nature. This assessment suggests that the penalty will not significantly impact the bank's financial position or operational activities. The bank has made the requisite disclosures under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

The disclosure was signed by Swapnil Yelgaonkar, Company Secretary and Compliance Officer, ensuring proper regulatory compliance and transparency with stakeholders regarding this regulatory development.