DTR 3.1.4R Announcement

1.

Name of the issuer

ECOFIN WATER & POWER OPPORTUNITIES PLC

2.

State  whether  the  notification  relates  to  (i)  a transaction notified in accordance with DTR 3.1.2 R, (ii)  a  disclosure  made  in  accordance  with  LR 9.8.6R(1)  or  (iii)  a  disclosure  made  in  accordance with section 793 of the Companies Act (2006).

Notification under DTR 3.1.4 R(1)(A)

3.

Name of person discharging managerial

responsibilities/director

MARTIN NÉGRE

4.

State  whether  notification  relates  to  a  person connected  with  a  person  discharging  managerial responsibilities/director named in 3  and identify the connected person

CONNECTED PERSON - BOLUX S.A. (LUXEMBOURG) OF WHICH MARTIN NÉGRE IS A DIRECTOR

5.

Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest1

BENEFICIAL INTEREST OF BOLUX S.A. (LUXEMBOURG)

6.

Description of shares (including class), debentures or derivatives or financial instruments relating to shares

ORDINARY SHARES OF 0.1p EACH

7.

Name  of registered shareholders(s) and, if  more than  one, the number of shares held by  each of them

BOLUX S.A. (LUXEMBOURG)

8

State the nature of the transaction

MARKET PURCHASE OF ORDINARY SHARES

9.

Number  of  shares,  debentures  or  financial instruments relating to shares acquired

50,000

10.

Percentage of issued class acquired (treasury shares of that  class  should  not  be  taken  into  account  when calculating percentage)

0.024%

11.

Number  of  shares,  debentures  or  financial instruments relating to shares disposed

N/A

12.

Percentage of issued class disposed (treasury shares of that  class  should  not  be  taken  into  account  when calculating percentage)

N/A

13.

Price per share or value of transaction

141.0p PER ORDINARY SHARE

14.

Date and place of transaction

26 JUNE 2015 - LONDON

15.

Total  holding  following  notification  and  total percentage  holding  following  notification  (any treasury shares should not be taken  into  account when calculating percentage)

800,000 ORDINARY SHARES

16.

Date issuer informed of transaction

26 JUNE 2015

17

Date of grant

18.

Period during which or date on which exercisable

19.

Total amount paid (if any) for grant of the option

20.

Description of shares or debentures involved (class and number)

21.

Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise

22.

Total number of shares or debentures over which options held following notification

23.

Any additional information

24.

Name of contact and telephone number for queries