Cambridge Mineral - Holding in Company


For filings with the FSA include the annex
For filings with issuer exclude the annex

TR-1: Notifications 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
No
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 29 October 2007
threshold is crossed or reached if different):

6. Date on which issuer notified: 30 October 2007

7. Threshold(s) that is/are crossed or reached: 8% to 7%

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 19,171,565 19,171,565 19,377,630 0 19,377,630 0.00 7.17


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
19,377,630 7.17

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


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Cambridge Mineral Resources Plc

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