Impax and FTSE expand Environmental Index series

Impax Group plc ("Impax"), the specialist environmental investment company and FTSE Group ("FTSE"), the global index company, have announced the expansion of the FTSE Environmental Opportunities Index Series with the addition of nine new indices.

Impax, using its wealth of experience investing in these sectors, will research the constituents for the indices.

The expansion will offer investors additional detail by identifying and segmenting the renewable energy, energy efficiency, water and waste management markets. The new indexes are:

FTSE Environmental Opportunities ("EO") 100 (the largest 100 companies included in the FTSE EO All- Share Index)

FTSE EO Water Technology 30 Index

FTSE EO Water Technology Benchmark

FTSE EO Renewable Energy 50 Index

FTSE EO Renewable Energy Benchmark

FTSE EO Energy Efficiency 50 Index

FTSE EO Energy Efficiency Benchmark

FTSE EO Waste and Pollution Control 30

FTSE EO Waste and Pollution Control Benchmark

Ian Simm, Chief Executive of Impax said: "These indices provide an investible and transparent measure of the performance of the global environmental technology sector. They are the building blocks of a mature and liquid marketplace and help to complete the infrastructure of the environmental markets."

"We are delighted to continue this partnership with FTSE, combining their index expertise and our in- depth sector knowledge."

"The indices track the performance of those companies who are best positioned to benefit from the shift to a global low-carbon economy. The expansion of the series offers investors the opportunity to identify those leading global companies within a comprehensive benchmark and tradable index series." said Will Oulton, Head of Responsible Investment, FTSE Group.

The FTSE Environmental Opportunities indices are a part of FTSE's broader Environmental Markets Index Series that includes the FTSE ET50 Index, which tracks the performance of the world's largest pure- play environmental companies. The series is available for investors to use as the basis of structured products, exchange traded funds (ETF) and index funds.

About Impax Group plc

Impax Group plc ("Impax") was founded in 1994 as a specialist finance house focusing on the markets for cleaner or more efficient delivery of basic services of energy, water and waste. These markets are expanding rapidly, as business and political leaders encourage the development of cleaner products and services in response to the increasing pressures placed on the environment.

Impax's dedicated team of professionals, with many years of experience in the financial and environmental sectors, is ideally placed to understand and take advantage of the investment opportunities arising from the fast growing environmental markets. Impax Asset Management (the trading entity of Impax Group) manages assets for institutional and private investors, across a range of listed and private equity funds.

For further information please visit: www.impax.co.uk