Holding(s) in Company

HSBC Holdings PLC
01 June 2006


NOTIFICATION OF MAJOR INTERESTS IN SHARES

Section 198 - Companies Act 1985

The Company was notified on 31 May 2006 that Credit Suisse First Boston, through
its subsidiaries listed below, had a notifiable interest as at 31 May 2006 in
389,899,067 ordinary shares of US$0.50 each in HSBC Holdings plc, representing
approximately 3.40% 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 31 May 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 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") 14,004,262 shares.
    CSSEL held an interest in 2,317,111 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") 204,435 760 shares. CSi held an interest
    in 1,423,014 of these shares under section 208(5) of the act by virtue of
    the right to redelivery of equivalent securities under stock lending
    arrangements.

3.  Credit Suisse Securities (USA) LLC ("CSSLLC") 69,990 shares

4.  Credit Suisse Investment Banking Division ("CSIBD") 1,587,502 shares

5.  Credit Suisse (Hong Kong) Limited ("CSHK") 169,801,553 shares

The CS companies now hold a total interest of 389,899,067 shares being
equivalent to approximately 3.40% 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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