Portfolio update

Impax Environmental Markets Plc announces that its top ten holdings as at 31 March 2005 were as follows:- Holding Country Itron United States Kurita Water Industries Japan RPS Group United Kingdom Casella Waste Systems United States Vestas Wind Systems Denmark BWT Austria Zenon Environmental Canada Quantum Fuel Systems Technologies Worldwide United States Chloride Group United Kingdom Horiba Japan No other investments were held on 31 March 2005 which represented more than 5% of gross assets. ---END OF MESSAGE---
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