Ecovyst, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Property, Plant and Equipment

12 Months Ended

Dec. 31, 2025

11. Property, Plant and Equipment:

A summary of property, plant and equipment, at cost, and related accumulated depreciation is as follows:


	December 31,
	2025		2024
Land	$	89,988	$	89,988
Buildings and improvements	59,557		54,424
Machinery and equipment	781,236		712,349
Construction in progress	32,368		25,349
Property, plant and equipment, gross	963,149		882,110
Less: accumulated depreciation	(481,990)		(423,426)
Total property, plant and equipment, net	$	481,159	$	458,684

Depreciation expense was $67,806, $59,863 and $55,345 for the years ended December 31, 2025, 2024 and 2023, respectively.