Investor and Analyst Presentation

HYDRO INTERNATIONAL PLC

INVESTOR AND ANALYST PRESENTATION

On 24 March 2010 Hydro International, the leaders in the management of stormwater and wastewater will be hosting a visit for investors and analysts at its head office in Clevedon, near Bristol. The purpose of the visit is to provide further background to the Company's products and markets. No new information will be provided on the day in relation to current trading or outlook. Copies of the presentation material will be made available on the Hydro International corporate website http://plc.hydro-intl.com at the conclusion of the visit.

For further information please contact:

Hydro International plc

Tony Hollox Tel: +44 (0) 1275 878371

Chief Financial Officer

KBC Peel Hunt (Nominated Adviser and Broker)

Julian Blunt Tel: +44 (0) 207 418 8900

Daniel Harris

24 March 2010