BTG Regulatory News (BTG)

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

BTG plc (BGC.LN)

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

X

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the notification obligation:

Hunter Hall Investment Management Limited

4. Full name of shareholder(s) (if different from 3.):

Hunter Hall Global Ethical Trust (ARSN 098 586 282)

Hunter Hall Value Global Trust (ARSN 093 079 906)

Hunter Hall Global Opportunities Fund (IFSRA 353073)

Hunter Hall Global Value Limited (ACN 107 462 966)

Hunter Hall Global Deep Green Trust (ARSN 121 915 526)

5. Date of the transaction and date on which the threshold is crossed or reached:

30 June 2011

6. Date on which issuer notified:

14 July 2011

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

The holding fell below 3.0%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights

Direct

Direct

Indirect

Direct

Indirect

 Ordinary 10p shares

GB0001001592

 9,855,644

 9,855,644

Below 3%

Below 3%

Below 3%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/ConversionPeriod

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate

Exercise/Conversionperiod

Number of votingrights instrumentrefers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

Below 3%

Below 3%

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

Under the Financial Services Reform Act 2001 (Australia) Hunter Hall Investment Management Limited is the Responsible Entity for the following investment schemes:

HUNTER HALL VALUE GROWTH TRUST (VGT)

HUNTER HALL GLOBAL ETHICAL TRUST (GET)

HUNTER HALL GLOBAL DEEP GREEN TRUST (GDG)

Hunter Hall Investment Management Limited is also investment manager for:

HUNTER HALL GLOBAL VALUE LIMITED, which is a public "listed investment company" listed on the Australian Securities Exchange; and,

HUNTER HALL GLOBAL OPPORTUNITIES FUND, which is a Dublin domiciled UCITS III fund.

Proxy Voting:

10. Name of the 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:

 Andy Burrows, Director of IR, BTG plc

15. Contact telephone number:

 020 7575 1741