Sec Form 4 Filing - Shah Nirav Vimal @ HDFC BANK LTD - 2026-04-02

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Shah Nirav Vimal 2. Issuer Name and Ticker or Trading Symbol HDFC BANK LTD [ HDB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Group Head Corporate Banking (Last) (First) (Middle) HDFC BANK LIMITED, HDFC BANK HOUSE, SENAPATI BAPAT MARG, LOWER PAREL (WEST) 3. Date of Earliest Transaction (MM/DD/YY) 04/02/2026 (Street) MUMBAI400013 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Equity Shares 04/02/2026( 1 ) X( 2 ) 50,000 A $ 6.8 ( 3 ) 1,296,800 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (Right to Buy) $ 6.8 ( 3 ) 04/02/2026( 1 ) X( 2 ) 50,000 10/24/2024 10/24/2026 Equity Shares 50,000 $ 6.8 ( 3 ) 80,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shah Nirav Vimal HDFC BANK LIMITED, HDFC BANK HOUSE SENAPATI BAPAT MARG, LOWER PAREL (WEST) MUMBAI400013 Group Head Corporate Banking Signatures /s/ Dhanjit Thaivalappil, Attorney in fact for Shah Nirav Vimal 04/07/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The date entered is the Employee Stock Option (Right to Buy) Exercise Date ( 2 )X represents Exercise of Employee Stock Options (Right to Buy) ( 3 )The exercise price is Indian Rupees (INR) 617.90 which based on an exchange rate of INR 1.00 = USD $ 0.011 as of 04/07/2026 would correspond to an exercise price in USD $ 6.8

Remarks: The equity shares of the Bank are listed on NSE and BSE. The Trading symbol of NSE is HDFCBANK and is mentioned in the form under Foreign Trading Symbol. The Foreign Trading Symbol of BSE is 500180 Group Head - Corporate Banking

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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