Intimation under Regulation 30 of the SEBI (LODR) Regulations, 2015- Grant of options under under SIB ESOS Scheme-2008

DEPT : SECRETARIAL REF. No.: SEC/ST.EX.STT/101/2026-27 DATE : September 25, 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(s), Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements), Regulations, 2015 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 Board of Directors of The South Indian Bank Ltd. at its meeting held today i.e. September 25, 2026 has decided to grant 5,30,916 options to Sri. P R Seshadri, Managing Director & CEO under SIB ESOS – 2008 in compliance with non-cash variable pay for the Financial Year 2025-26 approved by the Reserve Bank of India vide letter dated September 16, 2026 and as per the terms and conditions of appointment approved by the shareholders of the Bank. No options were granted to Part-time Chairman and other Non-Executive Directors of the Bank. The particulars required under regulation 30 of Listing Regulations and in compliance with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 is enclosed as Annexure I. The Board Meeting commenced at 10.30 am and concluded at 06:30 p.m. The same is being hosted on the Bank’s website www.southindianbank.bank.in as per listing regulations. This is for your kind information. Yours faithfully, (JIMMY MATHEW) COMPANY SECRETARY Encl: as above 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 Annexure I Disclosure pursuant to SEBI Master Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements), Regulations, 2015; Brief details of options granted 5,30,916 options under Tranche 22 granted to Sri. P R Seshadri, MD & CEO as recommended by Nomination and Remuneration Committee and approved by Board at its meeting held today i.e. September 25, 2026 and pursuant to the approval of non-cash variable pay approved by RBI. Whether the scheme is in terms Yes of SEBI (SBEB&SE) Regulations, 2021 (if applicable); Total number of shares covered 5,30,916 shares ( if exercised fully) of face value of Re.1 each by these options; Pricing formula; Based on Black Scholes Model, an option premium of Rs 32.72 per option is determined, which is applicable for an exercise price of Rs.23.54 being 50% Discount on Market price of Rs. 47.08 (NSE Closing Price on 23-09-2026 being the closing price of stock exchange which recorded the highest trading volumes in equity shares of the Bank and trading day immediately preceding the date on which the grant of options, computed by Registered Valuer was approved and recommended to Board by Nomination and Remuneration Committee of Board on its meeting held on 24-09-2026). Number of options is calculated as per Black - Scholes option pricing model as per extant RBI guidelines. Options vested; Will be vested as per the SIB ESOS Scheme 2008 30% will vest after completion of 12 months from the date of grant 30 % will vest after completion of 24 months from the date of grant 40 % will vest after completion of 36 months from the date of grant Time within which option may be Within 5 years from the vesting date. exercised; Options exercised; N.A Money realized by exercise of N.A options; The total number of shares 5,30,916 shares ( if exercised fully) of face value of Re.1 each arising as a result of exercise of option; Options lapsed; Will be lapsed as per the SIB ESOS Scheme 2008 Variation of terms of options; N.A Brief details of significant terms; All terms and conditions as per the SIB ESOS Scheme 2008. Subsequent changes/cancellation N.A /exercise of such options Diluted earnings per share N.A pursuant to issue of equity shares on exercise of options 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