Ecovyst, Inc. Annual report pursuant to Section 13 and 15(d)

Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

The following table summarizes the components of other long-term liabilities as follows:



	December 31,
	2017		2016
Pension benefits	$	69,914	$	71,443
Supply contract (see Note 25)	20,612		22,250
Other postretirement benefits	4,503		3,991
Supplemental retirement plans	11,667		12,055
Reserve for uncertain tax positions	4,244		4,149
Asset retirement obligation	4,094		3,700
Other	5,437		5,567
Total	$	120,471	$	123,155