Summary of QUANTA SERVICES INC

Item 5.07 Submission of Matters to a Vote of Security Holders.

(a) On May 17, 2012, Quanta Services, Inc. ("Quanta") held its 2012 Annual Meeting of Stockholders.

(b) The following table presents the final voting results for the items that were presented for stockholder approval. Unless otherwise indicated, all results presented below reflect the voting power of the Common Stock and Series F Preferred Stock, voting together as a single class.

                                                                                             Broker
                                              For            Against         Abstain       Non-Votes
(1) Election of Directors by Holders
of Common Stock and Series F Preferred
Stock
James R. Ball                              151,526,008       16,522,472       144,421       10,381,544
John R. Colson                             166,005,735        2,044,539       142,627       10,381,544
J. Michal Conaway                          165,668,454        2,368,351       156,096       10,381,544
Ralph R. DiSibio                           165,486,521        2,548,367       158,013       10,381,544
Vincent D. Foster                          160,229,303        7,813,844       149,754       10,381,544
Bernard Fried                              166,751,768        1,291,762       149,371       10,381,544
Louis C. Golm                              164,141,502        3,896,312       155,087       10,381,544
Worthing F. Jackman                        166,997,510        1,041,604       153,787       10,381,544
James F. O'Neil III                        166,481,433        1,559,161       152,307       10,381,544
Bruce Ranck                                154,332,829       13,701,752       158,320       10,381,544
Pat Wood, III                              165,672,257        2,373,410       147,234       10,381,544

(2) Ratification of the appointment of
PricewaterhouseCoopers LLP as Quanta's
independent registered public
accounting firm for fiscal year 2012       177,407,991        1,002,852       163,602               -

(3) Approval, by non-binding advisory
vote, of Quanta's executive
compensation                               164,501,100        2,741,537       950,264       10,381,544

Based on the voting as reported above, the eleven director nominees named above were elected as Directors of Quanta. In addition, Quanta's stockholders ratified the appointment of PricewaterhouseCoopers LLP as Quanta's independent registered public accounting firm for 2012 and approved, by non-binding advisory vote, the compensation of Quanta's named executive officers.