Strikes/Lockouts/Disturbances

DEPT: SECRETARIAL REF. No. : SEC/ST.EX.STT/90/2026-27 DATE : September 10, 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 on September 11, 2026 Pursuant to Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations 2015, this is to inform you that United Forum of Bank Unions, raising various demands, have called for One-day Nationwide Bank strike on 11th September 2026 (Friday). 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. 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