Purchase of operating assets and brand of SSM

4 February 2015

Hydro International plc

("Hydro" or the "Group")

Settled Solids Management

Hydro International (AIM: HYD), a leading provider of environmentally sustainable and innovative solutions to water management challenges the world over, is pleased to announce that it has purchased the operating assets and brand of Settled Solids Management (SSM) based in Florida, US. SSM is an established specialist provider of services to remove sand and grit from wastewater treatment plants. These operational services, based around a patented Vertical Grit Separator system, are well aligned with Hydro's world leading grit removal technologies. The business will operate as part of Hydro's Americas Wastewater division which is headquartered in Hillsboro, Oregon.

Michael Jennings, Chief Executive of Hydro International plc, commented: "As we continue to drive growth efforts, particularly with our services strategy, this deal represents an important step forward to broaden the scope of what we can offer to better serve our customer base, always building around our core technology."

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About Hydro International

Hydro International plc (AIM: HYD) (Hydro) is a global supplier of environmentally sustainable products and innovative solutions for the control and treatment of stormwater, wastewater and combined sewer overflows. Hydro's products use a range of advanced technologies including award-winning advanced vortex technology. Headquartered in Clevedon, North Somerset, Hydro also operates in the UK from offices in Ely, Cambridgeshire, as well as across the US from bases in Portland, Maine and Hillsboro, Oregon. The Group has a growing presence outside its core North American and UK markets in territories including: Ireland, the Middle East, Mexico, Brazil, Russia, the European Union, China, Malaysia, Singapore, Korea, Australia and New Zealand.

Please visit the website for further information www.hydro-int.com