ProFrac Holding Corp. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Property, plant, and equipment

Property, plant, and equipment

3 Months Ended

Mar. 31, 2022

Property Plant And Equipment [Abstract]

5. Property, plant, and equipment

The following table summarizes the components of our property, plant, and equipment, net as of March 31, 2022, and December 31, 2021:

(In thousands)	March 31, 2022			December 31, 2021
Machinery and equipment	$	1,018,221		$	760,829
Mining property and mine development		35,491			34,809
Office equipment, software and other		13,876			5,550
Buildings and leasehold improvements		16,091			15,947
Total		1,083,679			817,135
Less: accumulated depreciation and depletion		(506,831	)		(464,178	)
Construction in progress		42,923			10,730
Property, plant, and equipment, net	$	619,771		$	363,687

Depreciation expense for the three months ended March 31, 2022 and 2021, was $44.2 million and $35.5 million, respectively. Major classifications of property, plant, and equipment and their respective useful lives are as follows:

Machinery and equipment		2 years—10 years
Office equipment, software, and other		3 years—7 years
Buildings and leasehold improvements		2 years—40 years