General Updates

Ref No: 10/SE/CS/OCT/2026-27 Date: October 16, 2026 Listing Department L i s t i n g & Compliance Department BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor Dalal Street, Mumbai – 400001 Plot No. C/1, “G” Block Bandra- Kurla Complex Bandra(E), Mumbai- 400051 BSE Scrip Code: 544020 NSE Symbol: ESAFSFB Dear Sir / Madam, Sub: Upgradation of Core Banking System of ESAF Small Finance Bank Limited Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that ESAF Small Finance Bank Limited (the “Bank”), as part of its ongoing digital transformation programme and continued commitment to leveraging technology for enhanced customer experience and operational excellence, is implementing ‘Oracle FLEXCUBE’ as its new Core Banking System (CBS), along with various business applications and other allied applications. The new CBS system and applications are intended to strengthen the Bank’s technology architecture by enhancing operational efficiency, system resilience, scalability, service capabilities and further strengthen the Bank’s risk management and regulatory compliance framework. They are also expected to support the introduction of innovative products and services, reduce time-to-market, improve service delivery across customer touchpoints. In this connection, we wish to inform that the migration of the Bank’s existing systems and applications to the new CBS, business applications and other allied applications, is scheduled to be undertaken from October 23 (Friday), 2026 (06:00 PM) to October 26 (Monday), 2026 (10:00 AM). During the migration period, banking services, including ATM, Internet Banking, Mobile Banking, Debit Cards, Agency Banking and UPI services, will remain temporarily unavailable. To minimize inconvenience, the Bank has undertaken extensive customer communication through various channels and has advised customers to plan their transactions in advance. The Bank is taking all necessary measures to ensure a smooth migration and will endeavour to restore all services at the earliest upon successful completion of the migration activity. The above announcements are also being made available on the website of the Bank at https://www.esaf.bank.in/investor-relation/?id=disclosure-to-stock-exchanges. Requesting you to take the same into your records. Thanking you, Yours Faithfully For ESAF Small Finance Bank Limited Ranjith Raj. P Company Secretary and Compliance Officer