Portfolio Update

Premier Energy and Water Trust PLC announces that as at 31 May 2010 its ten
largest investments were as follows :

                        % of total assets

E.ON                          4.51
Aqua America                  4.40
China Power New Energy        4.00
Entergy                       3.89
Calpine                       3.84
UIL Holdings                  3.65
National Grid                 3.53
Sound Global                  3.22
GDF Suez                      3.04
PG & E Corp                   2.91


At 31 May 2010 the total net assets of Premier Energy and Water Trust PLC
amounted to £49.1 million. The sector breakdown and geographical allocation were
as follows :

Sector Breakdown :

Electricity                  57.7 %
Water                        23.6 %
Gas                           8.0 %
Infrastructure                4.5 %
Cash & Net Assets             6.2 %
Total                       100.0 %


Geographical Allocation :

USA                          29.6 %
China / Hong Kong            16.3 %
United Kingdom               11.9 %
France                        8.8 %
Germany                       5.4 %
Italy                         5.0 %
Thailand                      4.6 %
Singapore                     3.2 %
Greece                        2.9 %
India                         2.4 %
Spain                         1.4 %
Finland                       1.4 %
Canada                        0.9 %
Cash & Net Assets             6.2 %
Total                       100.0 %