Quanta Services Announces 2008 Third Quarter Earnings Release and Conference Call Schedule

HOUSTON, Oct. 30 /PRNewswire-FirstCall/ -- Quanta Services, Inc. (NYSE: PWR) announced today that it will release 2008 third quarter results on Wednesday, Nov. 5, 2008, before the market opens. In conjunction with the release, Quanta has scheduled a conference call which will be broadcast live over the Internet on Wednesday, Nov. 5, 2008, at 9:30 a.m. Eastern time.

    What:    Quanta Services 2008 Third Quarter Earnings Conference Call

    When:    Wednesday, Nov. 5, 2008 - 9:30 a.m. Eastern time

    How:     Live via phone - By dialing (303) 262-2004 and asking for the
             Quanta Services call at least 10 minutes prior to the start time.
             Live over the Internet - by logging on to the web at the
             following address: http://quantaservices.com

For those who cannot listen to the live call, a telephonic replay will be available through Nov. 12, 2008, and may be accessed by calling (303) 590-3000 and using the pass code 11122061#. Also, an archive of the webcast will be available shortly after the call on the company's website at http://www.quantaservices.com. For more information, please contact Karen Roan at DRG&E at 713-529-6600 or email kcroan@drg-e.com .

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 dark fiber construction 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 November 4, 2008