Company: HBCYF
Filing Date: 2025-02-25
Form Type: 424B5
Source: 0001193125-25-034819
Chunk: 154

Company: HSBC HOLDINGS PLC
Filing Date: 2025-02-25
Form: 424B5
Chunk 154
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6,250,000 |
| Independence Point Securities LLC     |     | $                   |     6,250,000 |
| Loop Capital Markets LLC              |     | $                   |     6,250,000 |
| Mischler Financial Group, Inc.        |     | $                   |     6,250,000 |
| Penserra Securities LLC               |     | $                   |     6,250,000 |
| Total                                 |     | $                   | 1,500,000,000 |

The underwriters propose to offer the Securities in part directly to the public at the initial public offering price set forth on the cover page of this prospectus supplement and in part to certain securities dealers at such price less a concession not in excess of 0.600% of the principal amount of the Securities. The underwriters may allow, and such dealers may reallow, a concession not to exceed 0.350% of the principal amount of the Securities to certain brokers and dealers. After the initial public offering, the public offering price, concession and discount may be changed. In addition, HSI and/or its affiliates will reimburse us for certain of our offering-related expenses and underwriting discounts and commissions. S-100

Certain of the underwriters may not be U.S. registered broker-dealersand accordingly will not effect any offers or sales of any Securities in the United States unless it is through one or more U.S. registered broker-dealersas permitted by applicable securities laws and the regulations of FINRA. The underwriting agreement provides that the obligations of the underwriters to purchase the Securities included in this offering are subject to approval of legal matters by counsel and to other conditions. The underwriters have agreed to purchase all of the Securities sold pursuant to the underwriting agreement if any of the Securities are sold. If an underwriter defaults, the underwriting agreement provides that the purchase commitments of the non-defaultingunderwriters may be increased or the underwriting agreement may be terminated. We have agreed to indemnify the several underwriters against certain liabilities, including civil liabilities under the Securities Act, or contribute to payments the underwriters may be required to make in respect thereof. It is expected that the delivery of the Securities will be made against payment therefor on or about the date specified on the cover page of this prospectus supplement, which is the third business day following the date hereof (this settlement cycle being referred to as T+3). Under Rule 15c6-1under the Exchange Act, trades