Outcome of the Board Meeting- SEBI (LODR)Regulations, 2015- Designating SIB Tower, Near Infopark Expressway, Rajagiri Valley ,P O Kakkanad, Ernakulam, Kerala-682039 as Corporate Office of the Bank

DEPT : SECRETARIAL REF. No. : SEC/ST.EX.STT/ 119 /2026-27 DATE : October 15, 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: Outcome of the Board Meeting - SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 and other applicable Regulations of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (the Listing Regulations), we wish to inform you that, Board of Directors of the Company at their meeting held today i.e October 15, 2026, have inter-alia considered and approved to designate “SIB Tower, Near Infopark Expressway, Rajagiri Valley P.O, Kakkanad, Ernakulam, Kerala – 682039” as Corporate Office of the Bank. Kindly note that there is no change in the Head Office/Registered Office of the Bank and the same will continue to be at SIB House, Mission Quarters, T B Road Thrissur-680001 as registered office of the Bank. The meeting of Board of Directors commenced at 11:00 AM and concluded at 07:30 PM. This intimation shall also be made available on the website of the Bank at www.southindianbank.bank.in This is for your information and appropriate dissemination. 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