Annual Information Update

Annual information update

In accordance with Prospectus Rule 5.2, Impax Environmental Markets
plc ("the Company") announces the following summary of information
that has been published or made available to the public in the 12
months preceding the date of this announcement.

Note that, at the date of this announcement, some of the information
listed below may be out of date.


1. Information published via a regulatory information service

Information published via a regulatory information service can be
viewed on the London Stock Exchange website
(www.londonstockexchange.com).

The Company announces its net asset value on a daily basis.  In
addition to net asset value announcements the Company has published
the announcements detailed below.



Announcement                 Date of publication

Annual Report & Accounts     18 April 2007
Portfolio update             3 April 2007
Holding in Company           28 March 2007
Final Results                27 March 2007
Performance at month end     26 March 2007
Holding in Company           12 March 2007
Performance at month end     23 February 2007
Holding in Company           23 February 2007
Holding in Company           20 February 2007
Holding in Company           14 February 2007
Performance at month end     24 January 2007
Holding in Company           24 January 2007
Portfolio update             3 January 2007
Total voting rights          22 December 2006
Holding in Company           22 December 2006
Performance at month end     19 December 2006
Holding in Company           15 December 2006
Director Declaration         12 December 2006
Director Declaration         12 December 2006
Performance at month end     21 November 2006
Holding in Company           16 November 2006
Holding in Company           31 October 2006
Issue of Equity              26 October 2006
Performance at month end     17 October 2006
Holding in Company           16 October 2006
Holding in Company           12 October 2006
Holding in Company           10 October 2006
Conversion of Securities     05 October 2006
Interim Report               22 September 2006
Performance at month end     20 September 2006
Interim Results              12 September 2006
Holding in Company           31 August 2006
Holding in Company           22 August 2006
Result of EGM                14 August 2006
Performance at month end     11 August 2006
Placing announcement         9 August 2006
Performance at month end     25 July 2006
Cir re: C Share issue        20 July 2006
C Share issue                20 July 2006
Holding in Company           11 July 2006
Holding in Company           6 July 2006
Portfolio update             4 July 2006
Issue of Equity              28 June 2006
Holding in Company           22 June 2006
Warrant subscription         20 June 2006
Performance at month end     14 June 2006
Share Placing                9 June 2006
Holding in Company           6 June 2006
Performance at month end     11 May 2006
Results of AGM               11 May 2006
Cir re: Warrant subscription 28 April 2006





2. Other documents sent to shareholders

Copies of the following documents are available from the Company
Secretary of the Company at the address given at the end of this
announcement.


Document                                 Date sent
Annual Report                            30 March 2007
Interim Report                           22 September 2006
C shares subscription and notice of EGM  20 June 2006
Circular re: warrant subscription rights 28 April 2006





Cavendish Administration Limited
145-157 St John Street
London
EC1V 4RU

Tel: [phone]



19 April 2007

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