Quanta Services Prepares for Hurricane Ike

Announces Alternate Contact Information

HOUSTON, Sept. 11 /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) today announced that it has initiated the company's emergency response procedures due to the approach of Hurricane Ike. The hurricane is expected to impact the Houston area later this week potentially resulting in significant property damage and power outages. Therefore, Quanta's corporate office will be closed beginning at 2:00 p.m. CDT today, Thursday, Sept. 11.

Starting today at 2:00 p.m. CDT, all calls to Quanta's Houston headquarters will be handled by the company's Kansas City office. Customers and employees can call this office directly at 816-474-9340. This number will be answered daily until the Houston office reopens. Utilities requiring emergency restoration support can call Quanta's Houston Storm Center, which will remain open, directly at 713-691-3616 or the Kansas City office at 816-474-9340.

"We are temporarily closing our Houston corporate office to give our employees an opportunity to prepare their families and properties for the storm. We will reopen our office as soon as possible following the storm," said John R. Colson, chairman and CEO of Quanta Services. "We will continue to serve our customers nationwide, including those impacted by Hurricane Ike, remotely and through our operating companies. Our crews remain poised to support power and communications restoration efforts."

Quanta Services is a leading specialized contracting services company, delivering infrastructure network solutions for the electric power, natural gas, telecommunications and cable television industries. The company's comprehensive services include designing, installing, repairing and maintaining network infrastructure nationwide. Additionally, Quanta provides point-to-point fiber optic telecommunications infrastructure and leasing in select markets and offers related design, procurement, construction and maintenance services. With operations throughout North America, Quanta has the manpower, resources and expertise to complete projects that are local, regional, national or international in scope.

     Contacts:  James Haddox, CFO       Ken Dennard / ksdennard@drg-e.com
                Reba Reid               Kip Rupp / krupp@drg-e.com
                Quanta Services, Inc.   DRG&E
                713-629-7600            713-529-6600

SOURCE Quanta Services, Inc.

Released September 11, 2008