Quanta Services Appoints Margaret B. Shannon To Board Of Directors

      Quanta Services Appoints Margaret B. Shannon To Board Of Directors

Shannon brings vast energy industry and corporate governance expertise to
Quanta's board

PR Newswire

HOUSTON, Dec. 7, 2012

HOUSTON, Dec. 7, 2012 /PRNewswire/ --Quanta Services, Inc. (NYSE: PWR) today
announced the appointment of Margaret B. Shannon to the company's board of
directors.Shannon brings vast experience from the energy industry as well as
in corporate governance.

(Logo: http://photos.prnewswire.com/prnh/20110810/MM50805LOGO)

"Margaret is a strategic addition to an already well-balanced and dynamic
board," said John R. Colson, executive chairman of Quanta Services, Inc. "She
is highly regarded in the energy industry and will provide valuable insight as
Quanta sharpens its focus on emerging opportunities in the energy market."

Shannon, 63, brings more than three decades of experience in corporate
governance, public company requirements and the energy industry. She served as
vice president and general counsel of BJ Services Company, an international
oilfield services company, from 1994 to 2010, when it was acquired by Baker
Hughes Incorporated. Prior to 1994, she was a partner with the law firm of
Andrews Kurth LLP.

Shannon serves on the board of directors of Matador Resources Company, an
exploration and production company. In addition, she is active in several
not-for-profit organizations in Houston.

Shannon received her Juris Doctorate cum laude from Southern Methodist
University Dedman School of Law in 1976 and her Bachelor of Arts degree from
Baylor University in 1971.


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

Forward-Looking Statements
This press release (and oral statements regarding the subject matter of this
release) contains forward-looking statements intended to qualify for the "safe
harbor" from liability established by the Private Securities Litigation Reform
Act of 1995. Forward-looking statements include, but are not limited to,
market leadership, emerging opportunities, and Quanta's strategic growth
initiatives, as well as statements reflecting expectations, intentions,
assumptions or beliefs about future events, and other statements that do not
relate strictly to historical or current facts. Although Quanta's management
believes that the expectations reflected in such forward-looking statements
are reasonable, it can give no assurance that such expectations will prove to
be correct. These statements can be affected by inaccurate assumptions and by
a variety of risks and uncertainties that are difficult to predict or beyond
our control, including, among others, the effects of industry, economic or
political conditions outside of the control of Quanta; trends and growth
opportunities in relevant markets; the potential to incur losses with respect
to our operations; the ability to generate internal growth; the ability to
successfully identify and complete acquisitions; the ability to effectively
compete for new projects and market share; risks associated with operating in
international markets; potential liabilities associated with multiemployer
pension plans; unexpected costs or liabilities that may arise from lawsuits or
indemnity claims related to the services Quanta performs; liabilities for
claims that are self-insured; and the ability to capitalize on business
opportunities and other factors affecting Quanta's business generally,
including risks detailed in Quanta's Annual Report on Form 10-K for the year
ended December 31, 2011 and any other documents of Quanta filed with the
Securities and Exchange Commission (SEC). Should one or more of these risks
materialize, or should underlying assumptions prove incorrect, actual results
may vary materially from those expressed or implied in any forward-looking
statements. Investors are cautioned not to place undue reliance on these
forward-looking statements, which are current only as of this date. Quanta
does not undertake and expressly disclaims any obligation to update or revise
any forward-looking statements, whether as a result of new information, future
events or otherwise. For a discussion of these risks, uncertainties and
assumptions, investors are urged to refer to Quanta's documents filed with the
SEC that are available through the company's website at www.quantaservices.com
or through the SEC's Electronic Data Gathering and Analysis Retrieval System
(EDGAR) at www.sec.gov.

Contacts: Derrick Jensen, CFO
Investors - Kip Rupp, CFA
Media - Reba Reid
Quanta Services, Inc.

SOURCE Quanta Services, Inc.

Website: http://www.quantaservices.com
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