General Updates

Ref. No.: BBL/SEC/145/2026-27 September 07, 2026 BSE Limited National Stock Exchange of India Limited Dept. of Corporate Services The Listing Department Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra (E), Mumbai - 400 001 Mumbai - 400 051 BSE Scrip Code: 541153 NSE Symbol: BANDHANBNK Dear Sir/Madam, Sub.: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – ESG Rating This is to inform that SEBI registered Environmental, Social and Governance (‘ESG’) Rating Provider, viz., Crisil ESG Ratings & Analytics Limited has voluntarily reviewed and assigned an ESG Rating of ’Crisil ESG 69’ (Rating Category: Strong) and a Core ESG Rating of ‘Crisil Core ESG 73’ for the Fiscal 2026 to Bandhan Bank Limited (‘Bank’), based on public disclosures made by the Bank and other information in public domain. You are requested to take note of the above. This disclosure is being simultaneously uploaded on the Bank’s website at www.bandhan.bank.in. Thank you. Yours faithfully, for Bandhan Bank Limited Indranil Banerjee Company Secretary