Exercise of Over-Alottment

Hochschild Mining PLC
01 December 2006


The information contained herein is restricted and is not for release,
distribution, or publication directly or indirectly, in or into the United
States, Australia, Canada or Japan or to residents or citizens of Australia,
Canada or Japan.
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1 December 2006


Hochschild Mining plc

('Hochschild Mining' or the 'Company')


Announcement of Exercise of Over-Allotment Option


Hochschild Mining plc announces that, in connection with its initial public
offering of ordinary shares, (the 'Global Offer'), JPMorgan Cazenove Limited, as
stabilising manager and on behalf of the underwriters of the Global Offer, has
today given notice to exercise in full the over-allotment option in respect of
11,587,500 existing ordinary shares at the offer price of 350 pence per ordinary
share. Following the exercise of the over-allotment option, 88,837,500 ordinary
shares will be held in public hands, representing a free float of approximately
29 per cent. of the issued share capital of the Company.



For further information, please contact:


Hochschild Mining plc Tel:                                     [phone]


JPMorgan Cazenove Limited Tel:                                 [phone]
Ian Hannam
Arjun Khullar


Goldman Sachs International Tel:                               [phone]
Alasdair Warren
Chris Bischoff


Finsbury Tel:                                                  [phone]
Roland Rudd
Robin Walker
Zoe Watt



This announcement has been prepared and issued by Hochschild Mining plc and is
the sole responsibility of Hochschild Mining plc.

This announcement may not be distributed, directly or indirectly, in or into the
United States, Canada, Australia or Japan. This announcement does not constitute
or form part of an offer to sell or issue, or any solicitation of an offer to
buy or subscribe for, any securities referred to herein. The Global Offer and
the distribution of this announcement and other information in connection with
the Global Offer in certain jurisdictions may be restricted by law and persons
into whose possession any document or other information referred to herein comes
should inform themselves about and observe any such restriction. Any failure to
comply with these restrictions may constitute a violation of the securities laws
of any such jurisdiction.

The securities mentioned herein have not been, and will not be, registered under
the U.S. Securities Act of 1933 (the 'Securities Act'), and may not be offered
or sold in the United States (as such term is defined in Regulation S under the
Securities Act) unless they are registered under the Securities Act or pursuant
to an exemption from registration. No public offer of the ordinary shares is
being made in the United States.

JPMorgan Cazenove and Goldman Sachs International are acting exclusively for
Hochschild Mining plc and no one else in relation to the Global Offer and will
not be responsible to any other person for providing the protections afforded to
their respective clients or for providing advice in relation to the Global
Offer.

- ends -



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