Allotment of 46,75,598 equity shares pursuant to exercise of ESOP/RSU

CIN: L65920MH1994PLC080618 HDFC Bank Limited, Email: shareholder.grievances@hdfc.bank.in HDFC House, Website: www.hdfc.bank.in H T Parekh Marg, 165-166 Backbay Reclamation, Churchgate, Mumbai- 400 020 Tel. No.:022-66316000 Ref. No. SE/2026-27/140 October 30, 2026 BSE Limited National Stock Exchange of India Limited Dept of Corporate Services Listing Department Phiroze Jeejeebhoy Towers, Exchange Plaza Dalal Street, Fort, Bandra Kurla Complex, Mumbai 400 001 Mumbai 400 051 Scrip Code: 500180 Scrip Symbol: HDFCBANK Dear Sir, Sub: Allotment of 46,75,598 equity shares pursuant to exercise of ESOP/RSU We wish to inform you that the Bank has allotted today 46,75,598 equity shares to the employees of the Bank pursuant to exercise of Options/RSU’s under its Employees Stock Options Schemes and Employee Stock Incentive Scheme. The Paid-up Share Capital of the Bank will accordingly increase from 15,42,77,35,870 equity shares of Re. 1/- each to 15,43,24,11,468 equity shares of Re.1/- each. Kindly take the same on your record. Thanking you, Yours Truly, For HDFC Bank Limited Ajay Agarwal Company Secretary Group Head – Secretarial & Group Oversight Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013