Intimation under Regulation 30 of the SEBI (LODR)Regulations, 2015- Allotment of Equity Shares under SIB ESOS Scheme-2008

DEPT : SECRETARIAL REF. No. : SEC/ST.EX.STT/62/2026-27 DATE : July 27, 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 - Allotment of Equity Shares under SIB ESOS Scheme – 2008 Pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulation, 2015 and subject to the provisions of the Securities and Exchange Board of India (Share Based Employee Benefit and Sweat Equity) Regulations, 2021 and in accordance with SIB ESOS Scheme - 2008, we hereby inform you that the Nomination and Remuneration Committee of the Board has allotted 120147 (One Lakh Twenty Thousand One Hundred and Forty Seven Only) Equity Shares of the Bank on July 27, 2026 to eligible grantees upon exercise of stock options under SIB ESOS Scheme – 2008 and receipt of appropriate consideration. Details of Grant No. of shares Face Value Exercise Price Total Amount Received Tranche 13 granted 61984 Re. 1/- Rs. 20.00/- Rs.12,39,680.00 under SIB ESOS – 2008 on July 31, 2023 at Rs. 20.00 per option. Tranche 14 granted 15413 Re. 1/- Rs. 22.00/- Rs.3,39,086.00 under SIB ESOS – 2008 on May 02, 2024 at Rs. 22.00 per option. Tranche 15 granted 42750 Re. 1/- Rs. 27.14/- Rs. 11,60,235.00 under SIB ESOS – 2008 on July 30, 2024 at Rs. 27.14 per option. 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 DEPT : SECRETARIAL Consequently, as on July 27, 2026 the Issued and Subscribed Capital of Bank stands increased to Rs.2,61,81,86,210.00 divided into 2,61,81,86,210 Equity Shares of Re.1/- each. 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