Holding(s) in Company

1.

Identity of the issuer or the underlying issuer of existing shares to which

voting rights are attached:

Zest Group plc

2.

Reason for the notification:

An acquisition or disposal of voting rights

3.

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

Credit Agricole Cheuvreux International Ltd

4.

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

5.

Date of the transaction (and date on which the threshold is crossed or

reached if different):

15 March 2010

6.

Date on which issuer notified:

17 March 2010

7.

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

4%

8.

Notified details:

Class / Type of shares

Situation previous to Triggering transaction

Resulting situation after the triggering transaction

No of Shares

No of Voting Rights

No of Shares

No of voting rights

% of Voting Rights

Direct

Direct

Indirect

Direct

Indirect

GB00B067JC96

22,000,000

22,000,000

17,000,000

17,000,000

3.58%

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/Conversion Period/Date

No of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

No of voting rights

% of Voting rights

17,000,000

3.58%

9.

Chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held, if applicable:

SAS Rue La Boetie

Credit Agricole SA

Credit Agricole CIB SA

Credit Agricole Cheuvreux SA

Credit Agricole Cheuvreux International Limited 17,000,000 (3.58%)

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:

Gabrielle Burne

15.

Contact telephone number:

0207 214 6037