Holding(s) in Company

Hochschild Mining PLC
04 October 2007


TR-1: Notifications of Major Interests in Shares

1. Identity of the issuer or the underlying 
issuer of existing shares to which voting 
rights are attached:                                   Hochschild Mining PLC 
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2. Reason for notification (yes/no)
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An acquisition or disposal of voting rights                              Yes
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An acquisition or disposal of financial instruments which may result in 
the acquisition of shares already issued to which voting rights are
attached                                                                  No 
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An event changing the breakdown of voting rights                          No
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Other (please specify):______________                                     No
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3. Full name of person(s) subject to       
notification obligation:                                  Eduardo Hochschild              
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4. Full name of shareholder(s) (if
different from 3):    
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5. Date of transaction (and date on which 
the threshold is crossed or reached if    
different):                                                   3 October 2007
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6. Date on which issuer notified:                             3 October 2007
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7. Threshold(s) that is/are crossed or   
reached:                                                From 69.94% to 59.00%                    
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8: Notified Details
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A: Voting rights attached to shares
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Class/type of    Situation previous to   
shares           the triggering              
if possible      transaction          Resulting situation after the triggering transaction
us ISIN code     --------------------------------------------------------------------------
                 Number of   Number   Number of     Number of             Percentage of
                 shares      of       shares        voting rights         voting rights
                             voting                 ---------------------------------------
                             rights                 Direct   Indirect     Direct   Indirect
Ordinary
Shares
GB00B1FW5029    214,962,500  Same     181,350,426   0        181,350,426  0        59.00%
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B: Financial Instruments
Resulting situation after the triggering transaction
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Type of      Expiration    Exercise/      No. of voting rights that may     Percentage
financial    date          conversion     be acquired (if the instrument    of voting
instrument                 period/        exercised/converted)              rights
                           date
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Total (A+B)
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Number of voting rights               Percentage of voting rights
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181,350,426                           59.00%
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9. Chain of controlled undertakings through which the voting rights and /or the
financial instruments are effectively held, if applicable:
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Pelham Investment Corporation ('Pelham') directly owns 181,350,426 ordinary
shares of the issuer.

Eduardo Hochschild controls the board of Pelham and indirectly beneficially owns
100% of the share capital of Pelham.
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Proxy Voting:

10. Name of proxy holder:                                                 N/A
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11. Number of voting rights proxy holder will cease to hold:              N/A
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12. Date on which proxy holder will cease to hold voting rights:          N/A
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13. Additional information:
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14 Contact name:                                             Robert C. Muffly
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15. Contact telephone name:                                  [phone]
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