Grant of Equity Stock Options.

Ref. No.: BBL/SEC/181/2026-27 October 15, 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.: Grant of stock options under Bandhan Bank Employee Stock Option Plan Series 1 (‘ESOP Series 1’) Pursuant to the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI LODR’), please be informed that the Nomination and Remuneration Committee of the Board (‘NRC’) of Bandhan Bank Limited (‘Bank’), on October 15, 2026, granted 18,75,514 equity stock options of the face value of Rs. 10 each (ESOPs’), at the grant price of Rs. 168.58 (Rupees One Hundred Sixty-Eight and Fifty-Eight Paisa Only) per option, to the eligible employees of the Bank. Disclosures required under Regulation 30 of the SEBI LODR, read with Section V-A of the SEBI Master Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated July 11, 2023 and last updated on January 30, 2026, are, as under: (a) Brief details of options granted: 18,75,514 ESOPs granted by the NRC to the eligible employees of the Bank, under ‘Bandhan Bank Employee Stock Option Plan Series 1’ – Tranche (b) Whether the scheme is in terms of SEBI (SBEBSE) Regulations, 2021: ‘Bandhan Bank Employee Stock Option Plan Series 1’ (‘ESOP Series 1’) has been formulated and approved by the Shareholders of the Bank pursuant to the provisions of the SEBI (Share Based Employee Benefits) Regulations, 2014, which has been replaced by the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 (‘SEBI SBEBSE’). (c) Total number of shares covered by these options: 18,75,514 equity shares of Rs. 10 each of the Bank. Each stock option carries the right to apply for and be allotted 1 (one) equity share of face value of Rs. 10 each of the Bank. (d) Pricing formula: Pursuant to provisions of the SEBI SBEBSE and the ESOP Series 1, the ESOPs have been granted at the latest available closing price prevailing on the National Stock Exchange of India Limited, being the Stock Exchange which recorded the highest trading volumes in the equity shares of the Bank on Wednesday, October 14, 2026, i.e., being the trading day immediately preceding the date on which the grant of options has been approved by the NRC. (e) Options vested: The ESOPs granted above shall vest as under: ➢ 25% of the options granted shall vest on completion of one year from the date of grant; ➢ 25% of the options granted shall vest on completion of two years from the date of grant; ➢ 25% of the options granted shall vest on completion of three years from the date of grant; ➢ 25% of the options granted shall vest on completion of four years from the date of grant. (f) Time within which option may be exercised: The exercise period shall be a maximum of five years from the date of respective vesting of Options. (g) Brief details of significant terms: Not applicable. You are requested to take note of the above. This disclosure is being simultaneously uploaded at the Bank’s website, www.bandhan.bank.in. Thank you. Yours faithfully, for Bandhan Bank Limited Indranil Banerjee Company Secretary