Holding(s) in Company

HSBC Holdings PLC
05 October 2006


NOTIFICATION OF MAJOR INTERESTS IN SHARES

Section 198 - Companies Act 1985

The Company was notified on 4 October 2006 that Credit Suisse First Boston,
through its subsidiaries listed below, had a notifiable interest as at 2 October
2006 in 346,189,817 ordinary shares of US$0.50 each in HSBC Holdings plc,
representing approximately 3% of the ordinary shares in issue.

A copy of the letter of notification is quoted below.

N S Black

Assistant Secretary

HSBC Holdings plc


Letter to HSBC Holdings plc dated 4 October 2006 from Rob Daborn, Vice President
- Legal and Compliance, Credit Suisse Securities (Europe) Limited


"Dear Sirs,

HSBC Holdings plc ("The Company")

This notification relates to the ordinary shares of the Company ("the shares")
and is given in fulfilment of the obligations imposed under section 198 of the
Companies Act 1985 ("the Act").

We hereby notify you that on 02 October 2006 following acquisitions, the Credit
Suisse ("CS") companies listed below (together the "CS companies") hold the
following interests in the issued share capital of the Company:

 1. Credit Suisse Securities (Europe) Limited ("CSSEL") 19,485,380 shares. CSSEL
    held an interest in 3,969,021 of these shares under section 208(5) of the
    act by virtue of the right to redelivery of equivalent securities under
    stock lending arrangements.

 2. Credit Suisse International ("CSi") 184,792,538 shares.

 3. Credit Suisse Securities (USA) LLC  ("CSSLLC") 69,095 shares

 4. Credit Suisse Investment Banking Division ("CSIBD")  87,300 shares

 5. Credit Suisse (Hong Kong) Limited ("CSHK") 141,755,504 shares

The CS companies now hold a total interest of 346,189,817 shares being
equivalent to approximately 3 % of the issued share capital of the Company.

Those Credit Suisse companies which are direct or indirect holding companies of
CSSEL, CSi, CSSLLC, CSIBD and CSHK are, under the terms of section 203 of the
Act, each interested by attribution in any shares in which CSSEL, CSi, CSSLLC,
CSIBD, and CSHK are interested.

Yours faithfully,

Rob Daborn

Vice President - Legal and Compliance"


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