Company: HBCYF
Filing Date: 2025-06-02
Form Type: 424B5
Source: 0001193125-25-132352
Chunk: 14

Company: HSBC HOLDINGS PLC
Filing Date: 2025-06-02
Form: 424B5
Chunk 14
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 may negatively impact the price discovery process in relation to this offering, such “proprietary order” is hereby deemed not to negatively impact the price discovery process in relation to this offering.

Prospective investors should be aware that certain information may be disclosed by CMIs (including private banks) which is personal
and/or confidential in nature to the prospective investor. By placing an order, prospective investors are deemed to have understood and consented to the collection, disclosure, use and transfer of such information by the underwriter and/or any other
third parties as may be required by the SFC Code, including to HSBC Holdings, any OCs, relevant regulators and/or any other third parties as may be required by the SFC Code, it being understood and agreed that such information shall only be used for
the purpose of complying with the SFC Code, during the bookbuilding process for this offering. Failure to provide such information may result in that order being rejected.

S-6

CERTAIN DEFINITIONS AND PRESENTATION OF FINANCIAL AND OTHER DATA

Definitions

As used in
this prospectus supplement and the accompanying prospectus, the terms “HSBC Holdings,” “we,” “us” and “our” refer to HSBC Holdings plc. “HSBC Group” and “HSBC” mean HSBC Holdings together
with its subsidiary undertakings.

Presentation of Financial Information

The annual consolidated financial statements of the HSBC Group comply with UK-adopted international
accounting standards and with the requirements of the UK Companies Act 2006, and have also applied international financial reporting standards adopted pursuant to Regulation (EC) No 1606/2002 as it applies in the European Union (“EU”).
These financial statements are also prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board (“IFRS Accounting Standards”), including interpretations issued by the
IFRS Interpretations Committee, as there are no applicable differences from IFRS Accounting Standards for the periods presented. As of December 31, 2024, there were no unendorsed standards effective for the year ended December 31, 2024
affecting the consolidated financial statements included in our Annual Report on Form 20-Ffor the year ended December 31, 2024, filed with the SEC on February 20, 2025 (the “2024 Form 20-F”). The U.S. dollar is used as the presentation
currency in the annual consolidated financial statements of the HSBC Group, and it is also