Holding(s) in Company

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:

Greenko Group PLC

2: Reason for notification (yes/no)

An acquisition or disposal of voting rights

YES

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

NO

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

NO

An event changing the breakdown of voting rights

NO

Other (please specify):

N/A

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

obligation:

 IMPAX ASSET MANAGEMENT LIMITED

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

 IMPAX ASIAN ENVIRONMENTAL MARKETS PLC,

IMPAX ENVIRONMENTAL MARKETS PLC,

IMPAX ENVIRONMENTAL MARKETS TRUST AUD,

IMPAX ENVIRONMENTAL MARKETS IRELAND,

PARVEST ENVIRONMENTAL OPPORTUNITIES FUND

THE ENVIRONMENT AGENCY FUND

5. Date of the transaction (and date on which the threshold

is crossed or reached):

8 April 2010

6. Date on which issuer notified:

8 April 2010

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

7%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of shares

if possible using the ISIN CODE

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

Ordinary shares of €0.005

8,097,400

6.781%

8,472,400

N/A

8,472,400

N/A

7.09%

IM00B28KLZ74

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

NIL

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

NIL

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

8,472,400

7.09%

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

IMPAX ASIAN ENVIRONMENTAL MARKETS PLC (1,315,500 SHARES 1.10%),

IMPAX ENVIRONMENTAL MARKETS PLC (3,230,000 SHARES 2.70%),

IMPAX ENVIRONMENTAL MARKETS TRUST AUD (13,000 SHARES 0.01%),

IMPAX ENVIRONMENTAL MARKETS IRELAND (1,725,900 SHARES 1.45%),

PARVEST ENVIRONMENTAL OPPORTUNITIES FUND (1,730,600 SHARES 1.45%),

THE ENVIRONMENT AGENCY FUND (475,400 SHARES 0.38%)

Proxy Voting:

10. Name of the proxy holder:

N/A

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

N/A

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

N/A

13. Additional information:

Based on 119,418,000 issued ordinary shares

14. Contact name:

Michael Knight,

Compliance Officer

15. Contact telephone number:

+44 (0) 20 7434 1122