Ten Year Contract Rhode Island

Under this agreement, United Water will be in charge of improvements to be made to the
treatment plant, which dates back to 1954, as well as its operations. In addition to work to
renovate the plant, United Water will be in charge of building a new pumping station in
Watchemoket Cove and a wastewater pipe between now and August 2013.

The water treatment plant will benefit from major improvements, including odour control
systems and a biological nutrient removal process, making it possible to reduce nitrogen levels in the water that has been treated. This new process will represent an additional treatment phase, paving the way for improvements in water quality in the Pawtucket River and Narragansett Bay.

United Water already runs the Bucklin Point water treatment plant on behalf of the
Narragansett Bay Commission, covering the needs of approximately one third of the people
living in East Providence. The company also operates the Westerly, Newport and Warren water treatment facilities. It has won several awards from the National Association of Clean Water and the National Wastewater Pollution Control Agency for the excellent quality of its services.