Company: HBCYF
Filing Date: 2025-09-04
Form Type: 424B5
Source: 0001193125-25-195127
Chunk: 15

Company: HSBC HOLDINGS PLC
Filing Date: 2025-09-04
Form: 424B5
Chunk 15
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 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-8

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 Notes” included in this prospectus supplement beginning on page S-40have the same meaning when used in this summary.

| Issuer | HSBC Holdings plc. |

| Securities Offered | 5.741% Fixed Rate/Floating Rate Subordinated Unsecured Notes due 2036 in an aggregate principal amount of $1,500,000,000 (such series of notes, the “Notes”). |

| Interest Determination Dates | The third business day preceding the applicable Interest Payment Date (each, an “Interest Determination Date”). |

S-9

| Optional Redemption | We may, in our sole discretion, redeem the Notes on the Par Redemption Date, in whole but not in part, at 100% of their principal amount plus any accrued and unpaid interest to (but excluding) the Par Redemption Date (a “Par 
 Redemption”), as set forth below under “Description of the Notes––Redemption.” See “Risk Factors—Risks Relating to the Notes—We may redeem the Notes at our option in certain                                                    
 situations.”                                                                                                                                                                                                                     |

| Redemption Upon Capital Disqualification Event | Following the occurrence of a Capital Disqualification Event, we may, on the terms and subject to the provisions set forth under “Description of the Notes––Redemption,” in our sole discretion, redeem the Notes in           
 whole, but not in part, at a redemption price equal