Holding in Company

    Financial Services Authority

TR-1: Notification of Major Interests in Shares

                                                                   
1. Identity of the issuer or the underlying issuer of existing     Cambridge Mineral Resources Plc
shares to which voting rights are attached:

2. Reason for notification (yes/no)
                                                                                                  Yes
An acquisition or disposal of voting rights
                                                                                               
An acquisition or disposal of financial instruments which may result in the acquisition of
shares already issued to which voting rights are attached
                                                                                                  Yes
An event changing the breakdown of voting rights
                                                                                               
Other (please specify):______________
                                                         
3. Full name of person(s) subject to notification        Barclays PLC
obligation:
                                                         Barclays Stockbrokers Ltd
4. Full name of shareholder(s) (if different from 3):    
                                                         
5. Date of transaction (and date on which the            27-Mar-08
threshold is crossed or reached if different):
                                                         
6. Date on which issuer notified:                        28-Mar-08
                                                         
7. Threshold(s) that is/are crossed or reached:          9% to 8%

8: Notified Details
A: Voting rights attached to shares

Class/type    Situation previous to      Resulting situation after the triggering transaction
of shares     the triggering
If possible   transaction
use ISIN
code
              Number of     Number of    Number of     Number of voting rights    Percentage of voting
              shares        voting       shares                                   rights
                            rights
                                                                                                
                                                       Direct        Indirect     Direct        Indirect
GB0001826303 25,197,592    25,197,592   25,180,654       0         25,180,654       0.00            8.65


B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial   Expiration date      Exercise/            No. of voting rights       Percentage of
instrument                               conversion           that may be acquired       voting rights
                                         period/date          (if the instrument
                                                              exercised/converted)
                                                                                         


Total (A+B)

Number of voting rights                                Percentage of voting rights
25,180,654                                             8.65

9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are
effectively held, if applicable:
Barclays Stockbrokers Ltd

Proxy Voting:

10. Name of proxy holder:                              

11. Number of voting rights proxy holder will cease    
to hold:

12. Date on which proxy holder will cease to hold      
voting rights:


13. Additional information:                            

14 Contact name:                                       Geoff Smith

15. Contact telephone name:                            020 7116 2913



								
Cambridge Mineral Resources Plc