Company: HBCYF
Filing Date: 2025-06-02
Form Type: 424B5
Source: 0001193125-25-132352
Chunk: 158

Company: HSBC HOLDINGS PLC
Filing Date: 2025-06-02
Form: 424B5
Chunk 158
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     |     | $                |     5,833,000 |
| Blaylock Van, LLC                     |     | $                |     5,833,000 |
| Drexel Hamilton, LLC                  |     | $                |     5,833,000 |
| Independence Point Securities LLC     |     | $                |     5,833,000 |
| Mischler Financial Group, Inc.        |     | $                |     5,833,000 |
| R. Seelaus & Co., LLC                 |     | $                |     5,833,000 |
| Roberts & Ryan, Inc.                  |     | $                |     5,833,000 |
| Siebert Williams Shank & Co., LLC     |     | $                |     5,833,000 |
| Total                                 |     | $                | 2,000,000,000 |

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 0.500% 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. 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. BNY Capital Markets, LLC, one of the underwriters participating in the offering, is an affiliate of the trustee. S-100

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