HDFC BANK LIMITED — Proxy Solicitation & Information Statement 2026

Mar 27, 2026

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CIN: L65920MH1994PLC080618 Email: shareholder.grievances@hdfc.bank.in Website: www.hdfc.bank.in

HDFC Bank Limited, HDFC House, H T Parekh Marg, 165-166 Backbay Reclamation, Churchgate, Mumbai- 400 020 Tel. No.:022-66316000

March 27, 2026

Singapore Exchange Securities Trading Limited

2 Shenton Way # 02-00 SGX Centre 1 Singapore 068804

Dear Sir,

Sub: Notice of Postal Ballot

In compliance with the applicable Regulations, the Notice of Postal Ballot is being sent to all Members whose names appear in the Register of Members / Register of Beneficial Owners maintained by the Depositories viz. National Securities Depository Limited (“ NSDL ”) and Central Depository Services (India) Limited as on Friday, March 20, 2026 ( cut-off date ) and whose e-mail addresses are registered with Depository Participants and / or Datamatics Business Solutions Limited, Registrar & Transfer Agents of the Bank (“ RTA ”).

The Bank has engaged NSDL for facilitating remote e-voting to enable the Members to cast their votes electronically. The period for remote e-voting on the resolution set out in the Notice shall commence on Saturday, March 28, 2026 at 10:00 A.M. (IST) and end on Sunday, April 26, 2026 at 5:00 P.M. (IST) . - - The Notice is being uploaded on the Bank’s website at https://www.hdfc.bank.in/about us/corporate governance/postal-ballot and on the website of NSDL at https://www.evoting.nsdl.com

This is for your information and appropriate dissemination.

Yours faithfully, For HDFC Bank Limited

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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