Acquisition of ATS Expansion Group Conference Call

NORTH ANDOVER, Mass.--(BUSINESS WIRE)--May 19, 2006--Watts Water Technologies, Inc. (NYSE: WTS), will hold a live webcast of its conference call to discuss the acquisition of ATS Expansion Group on Friday, May 19, 2006, at 4:00 p.m. Eastern Time.

The press release and the live webcast can be accessed by visiting the Investors section of the Company's website at www.wattswater.com. Following the webcast, an archived version of the call will be available at the same address until May 19, 2007.

The webcast is also being distributed through the Thomson StreetEvents Network to both institutional and individual investors. Individual investors can listen to the call at www.fulldisclosure.com, Thomson/CCBN's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson's password-protected event management site, StreetEvents (www.streetevents.com).

Watts Water Technologies, Inc. is a world leader in the manufacture of innovative products to control the efficiency, safety, and quality of water within residential, commercial, and institutional applications. Its expertise in a wide variety of water technologies enables it to be a comprehensive supplier to the water industry.

CONTACT: Watts Water Technologies, Inc.
Patrick S. O'Keefe, 978-688-1811
SOURCE: Watts Water Technologies, Inc.