Quanta Services Announces Fourth Quarter & Full Year 2011 Earnings Release and Conference Call Schedule HOUSTON, Feb. 16, 2012 /PRNewswire/ -- Quanta Services, Inc. (NYSE: PWR) announced today that it will release fourth quarter and full year 2011 results on Wednesday, February 22, 2012, 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, February 22, 2012, at 9:30 a.m. Eastern time. Logo: http://photos.prnewswire.com/prnh/20110810/MM50805LOGO Quanta Services Fourth Quarter & Full Year 2011 Earnings Conference Call Wednesday, February 22, 2012 - 9:30 a.m. Eastern time Live via phone - By dialing (480) 629-9643 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 website at the following address: For those who cannot listen to the live call, a telephonic replay will be available through February 29, 2012, and may be accessed by calling (303) 590-3030 and using the pass code 4514544#. Also, an archive of the webcast will be available shortly after the call on the company's Web site at www.quantaservices.com. For more information, please contact Kip Rupp at Quanta Services at (713) 341-7260. Quanta Services 2012 Investor Day Reminder The company will host an Investor Day event for institutional investors on March 7, 2012, in New York City. This event is invitation only for the institutional investment community and sell side analysts. No media are allowed at this event. If you are an institutional investor that would like to attend the event, please contact Kip Rupp at Quanta Services at (713) 341-7260 or investors@quantaservices.com for registration information. Quanta Services is a leading specialized contracting services company, delivering infrastructure solutions for the electric power, natural gas and pipeline and telecommunications 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 in select markets and offers related design, procurement, construction and maintenance services. With operations throughout North America and in select international markets, Quanta has the manpower, resources and expertise to complete projects that are local, regional, national or international in scope. Investors: Kip Rupp, CFA Media: Reba Reid Quanta Services, Inc. SOURCE Quanta Services, Inc.