Information has been presented separately for individually significant plans, based on PPA funding status classification, and in the aggregate for all other plans.



	Employee Identification Number/ Pension Plan Number	PPA Zone Status		Subject to Financial Improve- ment/ Reha- bilitation Plan	Contributions (in thousands)						Sur-charge Imposed	Expiration Date of Collective Bargaining Agreement
Fund	Employee Identification Number/ Pension Plan Number	2017	2016	Subject to Financial Improve- ment/ Reha- bilitation Plan	2017		2016		2015		Sur-charge Imposed	Expiration Date of Collective Bargaining Agreement
National Electrical Benefit Fund	53-0181657-001	Green	Green	No	$	29,161	$	22,912	$	21,200	No	Varies through May 2022
Pipeline Industry Pension Fund	73-6146433-001	Green	Green	No	13,585		6,954		6,087		No	Varies through May 2020
Central Pension Fund of the IUOE & Participating Employers	36-6052390-001	Green	Green	No	12,176		5,668		5,677		No	Varies through December 2020
Teamsters National Pipe Line Pension Plan	46-1102851-001	Green	Green	No	3,602		1,661		1,343		No	Varies through December 2020
Laborers Pension Trust Fund for Northern California	94-6277608-001	Yellow	Yellow	Yes	3,387		3,805		2,603		Yes	Varies through May 2020
Eighth District Electrical Pension Fund	84-6100393-001	Green	Green	No	3,208		3,089		2,544		No	Varies through December 2020
Laborers National Pension Fund	75-1280827-001	Green	Green	No	3,049		1,358		7,671		No	Varies through December 2020
Alaska Electrical Pension Plan	92-6005171-001	Green	Green	No	2,143		2,701		639		No	Varies through December 2019
Operating Engineers Local 324 Pension Fund	38-1900637-001	Red	Red	Yes	1,969		1,291		1,231		Yes	Varies through December 2020
OE Pension Trust Fund	94-6090764-001	Red	Red	Yes	1,703		1,508		1,264		Yes	Varies through June 2020
Plumbers and Pipefitters National Pension Fund	52-6152779-001	Yellow	Yellow	Yes	1,273		1,666		850		No	Varies through March 2021
Alaska Laborers - Employers Retirement Fund	91-6028298-001	Yellow	Yellow	Yes	536		1,216		181		No	December 2018
Laborers District Council of W PA Pension Fund	25-6135576-001	Red	Red	Yes	418		876		21		Yes	May 2018
Alaska Teamster Employer Pension Plan	92-6003463-024	Red	Red	Yes	255		659		513		Yes	December 2018
Midwest Operating Engineers Pension Trust Fund	36-6140097-001	Yellow	Yellow	Yes	106		793		3,294		Yes	June 2019
All other plans - U.S.					24,234		28,516		20,594
All other plans - Canada ⁽¹⁾					9,277		562		1,303
Total					$	110,082	$	85,235	$	77,015


⁽¹⁾	Multiemployer defined benefit pension plans in Canada are not subject to the reporting requirements under the PPA. Accordingly, certain information was not publicly available.

Quanta’s contributions to the following individually significant plans were five percent or more of the total contributions to these plans for the periods indicated based on the Forms 5500 for these plans for the years ended December 31, 2016 and 2015. Forms 5500 were not yet available for these plans for the year ended December 31, 2017.



Pension Fund		Plan Years in which Quanta Contributions Were Five Percent or More of Total Plan Contributions
Pipeline Industry Pension Fund		2016 and 2015
Eighth District Electrical Pension Fund		2016 and 2015
Local 697 IBEW and Electrical Industry Pension Fund		2016 and 2015
Local Union No. 9 IBEW and Outside Contractors Pension Fund		2016 and 2015
Alaska Plumbing and Pipefitting Industry Pension Fund		2016 and 2015
Teamsters National Pipe Line Pension Plan		2016 and 2015
Alaska Electrical Pension Plan		2016
IBEW Local 456 Pension Plan		2016
Michigan Electrical Employees’ Pension Plan		2016
Laborers National Pension Fund		2015
Michigan Upper Peninsula Intrl Brotherhood of Elec Workers Pension Plan		2015