Strikes/Lockouts/Disturbances

DEPT : SECRETARIAL REF. No.: SEC/ST.EX.STT/103/2026-27 DATE : September 26, 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 the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Proposed Strike in the Bank from 28.09.2026 to 30.09.2026 In compliance of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that United Forum of Bank Unions (UFBU), in which Officers Association and Workmen Union of our Bank are affiliated, have given a call for Strike from 28th September 2026 to 30th September 2026. If the strike materializes, the normal functioning of the Bank Branches / Offices / Departments may be affected. However, the Bank's ATMs and digital channels will function to meet customer needs. Expected quantum of loss / damages and impact on the operations are not quantifiable. This is for your information and dissemination 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