Mueller Water Products Announces Second Quarter 2008 Earnings Release Date and Conference Call

ATLANTA, April 22 /PRNewswire-FirstCall/ -- Mueller Water Products, Inc. today announced that it will release financial results for its second quarter ended March 31, 2008 on Tuesday, April 29, 2008 after market close.

The Company will hold a conference call hosted by Chairman, President and CEO Gregory E. Hyland and his leadership team to discuss the financial results on Wednesday, April 30, 2008 at 9:00 a.m. (EDT). A live webcast of the conference call will be accessible on the Mueller Water Products Web site http://www.muellerwaterproducts.com/ and also will be archived for approximately 90 days.

About Mueller Water Products

Mueller Water Products is a leading North American manufacturer and marketer of infrastructure and flow control products for use in water distribution networks and treatment facilities. Its broad product portfolio includes engineered valves, hydrants, ductile iron pipe and pipe fittings, which are utilized by municipalities, as well as the commercial and residential construction, oil and gas, HVAC and fire protection industries. With revenues of approximately .85 billion, the Company is comprised of three main operating segments: Mueller Co., U.S. Pipe and Anvil. Based in Atlanta, Georgia, the Company employs approximately 6,800 people. Mueller Water Products Series B common stock and Series A common stock trade on the New York Stock Exchange under the ticker symbols MWA.B and MWA, respectively. For more information about Mueller Water Products, please visit the Company's Web site at http://www.muellerwaterproducts.com/.

Investor Contact: Martie Edmunds Zakas Sr. Vice President - Strategic Planning & Investor Relations 770-206-4237 mzakas@muellerwp.com Media Contact: John Pensec Director - Corporate Communications & Public Affairs 770-206-4240 jpensec@muellerwp.com

Mueller Water Products, Inc.

CONTACT: Investor Contact: Martie Edmunds Zakas, Sr. Vice President -
Strategic Planning & Investor Relations, 1-770-206-4237,
mzakas@muellerwp.com, or Media Contact: John Pensec, Director - Corporate
Communications & Public Affairs, 1-770-206-4240, jpensec@muellerwp.com, both
of Mueller Water Products, Inc.

Web site: http://www.muellerwaterproducts.com/