EIG Subscription Agreement

Gas Turbine Efficiency PLC
28 April 2006


28 April 2006


                           Gas Turbine Efficiency plc

                   GTE varies subscription agreement with EIG


Gas Turbine Efficiency plc ('GTE' or 'the Company'), a leading supplier of
advanced high pressure gas turbine cleaning systems, announces that the Company
has entered into an agreement with EIG Venture Capital Limited ('EIG'), the
existing major shareholder in the Company, to vary terms of the subscription
agreement as described in the Admission Document dated 15 December 2005 pursuant
to which EIG was issued with 3,333,333 partly paid ordinary shares in the
Company (the 'Subscription Shares').


Under the revised terms, EIG will pay interest at the rate of 5% per annum to
the Company on all outstanding sums in respect of the Subscription Shares. Under
the previous agreement, no interest was payable by EIG.


The Company has also agreed that instead of four quarterly payments of £248,333
being made in respect of the Subscription Shares during 2006, EIG shall now pay
two equal installments of £496,666 plus interest on or before 30 June 2006 and
31 December 2006.


As previously agreed, the Company can still at any time, exercisable by notice
in writing to EIG, require EIG to pay all outstanding sums and interest within
five business days of receipt of such notice.


Enquiries:

Gas Turbine Efficiency plc
Steven Zwolinski                                     [phone]

Libertas Capital
Aamir Quraishi, Charles Goodfellow                   + 44 20 7569 9650

Corfin Communications
Neil Thapar, Harry Chathli                           + 44 20 7929 8989






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