Commencement of commercial production/operations

DEPT : SECRETARIAL REF. No. : SEC/ST.EX.STT/77/2026-27 DATE : August 17, 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, Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015- Opening of New Branches Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended, we hereby inform you that Bank is opening the following branches: Name of the Branch Address of the Branch Date of Opening Panoor PKY Plaza, Champad Road, Panoor, Kannur, 17-08-2026 Kerala-670692 Edoor Ground Floor, Puthenpurackal Building, Madathil – 17-08-2026 Edoor Road, Edoor, Kannur, Kerala -670704 Ulikkal Ground Floor, Building No. 301-B,Gopal Complex, 17-08-2026 Payyavur Road, Ulikkal, Kannur, Kerala -670705 Mattool Street No. 28, MRZ Complex, Opp.Mattool Petrol 17-08-2026 Pumb, Mattool , Kannur, Kerala -670302 Mayyil Kripa Complex-3 Ground Floor, Mayyil, Kannur, 17-08-2026 Kerala -670602 The aforesaid information is also being hosted on the website of the Bank www.southindianbank.bank.in Kindly take the same in your records. 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