The following table contains a summary of plan information relating to the Company’s participation in multiemployer pension plans, including Company contributions for the last three years, status of the multiemployer plan, and whether the plan is subject to a funding improvement, rehabilitation plan or contribution surcharges. Information has been presented separately for individually significant plans (defined as plans that make up 70 to 80 percent of the total Company defined benefit contributions and any plan that exceeds individual contributions of $0.1 million in any plan year presented).


Fund	EIN/PN	PPA Zone Status ⁽¹⁾	Plan Year End for Zone Status	Subject to Funding Improvement/ Rehabilitation Plan⁽²⁾	2013 Contributions		2012 Contributions		2011 Contributions		Surcha- rge Impose	Expiration Date of Collective Bargaining Agreement
Boilermaker-Blacksmith National Pension Trust	48-6168020/ 001	Yellow	12/31/2013	Yes	$	8,468	$	6,577	$	3,759	No		12/31/2013
Pennsylvania Heavy and Highway Contractors Pension Trust	23-6531755/ 001	Green	12/31/2013	No	$	1,171	$	1,192	$	625	No		5/31/2016
Pension Plan of Steamfitters Pension Fund 475	22-6029738/ 001	Yellow	12/31/2013	Yes	$	1,048	$	207	$	81	No		4/30/2016
Plumbers and Pipefitters National Pension Fund	52-6152779/ 001	Yellow	6/30/2013	Yes	$	494	$	731	$	431	No		8/31/2014
Pipe Trades Pension of Montana	91-1530117/ 001	Green	6/30/2013	No	$	353	$	—	$	15	No		8/31/2014
Alaska Plumbing and Pipefitting Industry Pension Fund	52-6103810/ 001	Green	12/31/2013	No	$	226	$	—	$	—	No		6/30/2014
Central Pension Fund of the IUOE and Participating Employers	36-6052390/ 001	Green	1/31/2013	No	$	127	$	126	$	45	No		5/31/2014
Plumbers and Pipefitters Local 553 Pension Plan	37-6052808/ 001	Green	12/31/2013	Yes	$	—	$	303	$	—	No		12/31/2013
Other Funds					$	503	$	493	$	452

Total Contributions:					$	12,390	$	9,629	$	5,408

⁽¹⁾

The zone status is based on information that Company received from the plan as well as publicly available information per the Department of Labor website and is certified by the plan’s actuary. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the yellow zone are less than 80 percent funded, and plans in the green zone are at least 80 percent funded.

⁽²⁾

The “Subject to Funding Improvement / Rehabilitation Plan” column indicates plans for which a financial improvement plan (FIP) or a rehabilitation plan (RP) is either pending or has been implemented. The last column lists the expiration date(s) of the collective-bargaining agreement(s) to which the plans are subject.