Company: HBCYF
Filing Date: 2025-06-02
Form Type: 424B5
Source: 0001193125-25-132352
Chunk: 19

Company: HSBC HOLDINGS PLC
Filing Date: 2025-06-02
Form: 424B5
Chunk 19
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by reference herein modifies or supersedes such statement. Any such statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus supplement and the accompanying prospectus and
to be a part hereof from the date of filing of such document.

You may request a copy of these documents at no cost to you by writing or
telephoning us at either of the following addresses:

Group Company Secretary

HSBC Holdings plc

8 Canada
Square

London E14 5HQ

United Kingdom

Tel: +44-20-7991-8888

HSBC
Holdings plc

c/o HSBC Bank USA, National Association

66 Hudson Boulevard East, 545W9,

New York, New York, 10001

Attn:
Company Secretary

Tel:
+1-212-525-5000

S-9

SUMMARY OF THE OFFERING The following summary highlights information contained elsewhere in this prospectus supplement and the accompanying prospectus. This summary is not complete and does not contain all of the information that may be important to you. You should read the entire prospectus supplement and the accompanying prospectus, including the financial statements and related notes incorporated by reference herein, before making an investment decision. Terms which are defined in “Description of the Securities” included in this prospectus supplement beginning on page S-55have the same meaning when used in this summary.

| Issuer | HSBC Holdings plc. |

| Securities Offered | 7.050% Perpetual Subordinated Contingent Convertible Securities (Callable During Any Optional Redemption Period) in an aggregate principal amount of $2,000,000,000 (the “Securities”). |

| Each period from (and including) a Reset Date to (but excluding) the following Reset Date will be a “Reset Period.” |

| Reset Determination Dates | The second business day immediately preceding a Reset Date (each, a “Reset Determination Date”). |

| Reference Rate | The “Reference Rate” means, with respect to any Reset Period for which such rate applies: |

| (1) the rate per annum (expressed as a decimal) equal to the yield which represents the average for the week immediately prior to the related Reset Determination Date in the most recent H.15, (a) under the caption 
 “Treasury Constant Maturities” and (b) for the maturity of five years;                                                                                                                                                |

| (2) if such