Holding(s) 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 shares to which voting rights are attached:

MARWYN CAPITAL 1 LIMITED (FULCRUM UTILITY SERVICES LIMITED)

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

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

An event changing the breakdown of voting rights

Other (please specify):______________

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

Ecofin Water & Power Opportunities plc

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

Vidacos Nominees Ltd a/c 6908907013

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

30 June 2010

8 July 2010

6. Date on which issuer notified:

8 July 2010

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

12%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary

KYG587891014

0

0

20,000,000

20,00,000

0

12.96

0

B: Financial Instruments

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 exercised/converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

20,000,000

12.96

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

Vidacos Nominees Ltd is a nominee of the Custodian for Ecofin Water & Power Opportunities plc

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:

Phoenix Administration Services Limited acts as Company Secretary to Ecofin Water & Power Opportunities plc

14 Contact name:

Duncan Hayes

15. Contact telephone name:

+44 (0) 1245 398950