Contact:

Carolyn Atkinson

Corporate Communications

ProBuild Holdings

303-262-8350

ProBuild Expands in Colorado

Building material supplier acquires Harbert Lumber Company

DENVER, April 4, 2011 – ProBuild Holdings Inc., the nation’s largest professional building materials supplier, today announced that it is has acquired the assets of Harbert Lumber Company, a building materials supplier based in Colorado.

Harbert Lumber Company is a leading supplier of building materials with locations in Grand Junction, Glenwood Springs, Aspen and Steamboat Springs, Colorado. The acquisition expands ProBuild’s footprint in Colorado at a time when growth for both commercial and residential construction is returning to the region.

“We’re very excited to join the ProBuild family,” said Gordon Harbert, owner of Harbert Lumber Company. “Their resources ensure the business we’ve built will maintain our leadership position in all the Western Colorado markets we serve.  We look forward to the added opportunities this merger will provide to our employees as well.”

As housing starts across the Rocky Mountain West begin to increase for the first time since the recession, ProBuild continues to invest in expanding its strategic footprint in Colorado. ProBuild is headquartered in Denver and spans the state with 10 retail locations and more than 450 locations nationwide.

“The addition of Harbert Lumber will enable ProBuild to service the growing needs of our customers in Colorado, particularly in the mountain towns where we have not had a robust presence until now,” said Bill Myrick, president and chief executive officer of ProBuild. “Within each market, ProBuild will combine local market expertise with the strength and scale of a national industry leader to continue delivering on the needs of our customers and partners.”

Harbert Lumber currently operates four locations in Colorado and employs 45 employees statewide. Terms of the sale agreement were not disclosed.

About Harbert Lumber

Harbert Lumber was established in 1937 and locally owned and operated through three generations of the Harbert family. Harbert carries on a tradition of customer care and quality product assortment with an ever-increasing sense of community.

About ProBuild
ProBuild Holdings is the nation’s largest supplier of building materials to professional contractors. ProBuild currently operates more than 450 lumber and building product distribution, manufacturing and assembly centers serving 42 U.S. states. ProBuild sells a broad selection of building materials including lumber, plywood, engineered wood, gypsum wallboard and other drywall products, millwork, trusses, roofing, siding products, tools, insulation materials, metal and hardware specialties. The company’s manufacturing activities include trusses, wall panels, millwork, and pre-hung door and window fabrication. ProBuild’s construction services include the installation of framing, millwork, insulation and other products. To learn more about ProBuild, visit www.probuild.com.