General Updates

DEPT : SECRETARIAL REF. No.: SEC/ST.EX.STT/106/2026-27 DATE : October 01, 2026 National Stock Exchange of India Ltd., BSE Ltd. Exchange Plaza, 5th Floor, Department of Corporate Services (Listing), Plot No.C/1, G Block, First Floor, New Trading Wing, Bandra-Kurla Complex, Bandra (E), Rotunda Building, P J Towers, Mumbai – 400 051. Dalal Street, Fort, Mumbai – 400 001. SCRIP CODE: SOUTHBANK SCRIP CODE: 532218 Dear Madam/Sir (s), Sub: - Business Updates for the Quarter ended September 30, 2026 In accordance with SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, Code of Practices and Procedures for Fair Disclosure of Unpublished Price Sensitive Information and in terms of Regulation 8 of SEBI (Prohibition of Insider Trading) Regulations, 2015, we would like to intimate the following: (Rs. in Crore) 30-09-2025 31-03-2026 30-09-2026 Y-o-Y Particulars (Unaudited) (Audited) (Provisional) Gross Advances 92,286 1,00,274 109,519 18.67% * Total Deposit 1,15,635 1,23,346 1,37,258 18.70% CASA 36,841 39,621 43,310 17.56% CASA Ratio (%) 31.86% 32.12% 31.55% *During the quarter ended 31.03.2026 Bank had technically written off an amount of Rs.1048 crs. Had it not been done the Y-o-Y growth as on 30.09.2026 would have been 19.81%. The above data is provisional and is subject to audit by the Statutory Auditors of the Bank. We request you to bring the above to the notice of all concerned. This intimation is also made available on the website of the Bank at www.southindianbank.bank.in. Yours faithfully, (JIMMY MATHEW) COMPANY SECRETARY The South Indian Bank Ltd., Regd. Office: Thrissur, Kerala Head Office: S.I.B. House, T.B. Road, P.B. No: 28, Thrissur - 680001, Kerala (Tel) 0487-2420 020, (Fax) 91 487-244 2021, e-mail: sibcorporate@sib.bank.in CIN: L65191KL 1929PLC001017, Toll Free (India) 1800-102-9408, 1800-425-1809 (BSNL) www.southindianbank.bank.in