Schedule of proforma financial information is based on the historical financial statements

The following unaudited pro forma financial information is based on the historical financial statements of the Company and presents the Company’s results as if the acquisitions of EnvisionTEC, Adaptive 3D, Aerosint, Dental Arts Labs, A.I.D.R.O., Brewer Dental, May Dental, and ExOne had occurred on January 1, 2020 (in thousands):


	Year Ended December 31,
	2021		2020
	(unaudited)		(unaudited)
Net revenues	$	207,688	$	164,947
Net income (loss)	$	(273,319)	$	(138,346)

Schedule of estimated fair values of assets acquired and liabilities assumed

The following table summarizes the allocation of the purchase price to the estimated fair values of assets acquired and liabilities assumed (in thousands):


	At February 16, 2021
Assets acquired:
Cash and cash equivalents	$	859
Restricted cash		5,004
Accounts receivable		2,982
Inventory		7,668
Prepaid expenses and other current assets		1,081
Restricted cash - noncurrent		285
Property and equipment		1,540
Intangible assets		137,300
Other noncurrent assets		1,801
Total assets acquired	$	158,520
Liabilities assumed:
Accounts payable	$	1,442
Customer deposits		2,460
Current portion of lease liability		605
Accrued expenses and other current liabilities		13,706
Liability for income taxes		480
Deferred revenue		492
Current portion of long-term debt		898
Long-term debt		285
Deferred tax liability		29,009
Lease liability, net of current portion		1,189
Total liabilities assumed	$	50,566
Net assets acquired	$	107,954

Goodwill	$	195,688
Total net assets acquired	$	303,642

Schedule of acquisition date fair value of the consideration transferred

The acquisition date fair value of the consideration transferred is as follows (in thousands):


	Total Acquisition Date Fair Value
Cash consideration	$	24,083
Equity consideration		37,693
Total consideration transferred	$	61,776

Schedule of estimated useful life of identifiable intangible assets acquired


	Gross Value		Estimated Life
Acquired technology	$	27,000	14 years
Trade name		300	5 years
Total intangible assets	$	27,300

Business Acquisition [Line Items]

Schedule of estimated fair values of assets acquired and liabilities assumed

The following table summarizes the allocation of the purchase price to the estimated fair values of assets acquired and liabilities assumed (in thousands):


	At June 24, 2021
Assets acquired:
Cash and cash equivalents	$	419
Accounts receivable		34
Inventory		166
Prepaid expenses and other current assets		697
Property and equipment		369
Intangible assets		11,726
Other noncurrent assets		336
Total assets acquired	$	13,747
Liabilities assumed:
Accounts payable	$	58
Customer deposits		283
Current portion of lease liability		100
Accrued expenses and other current liabilities		169
Deferred revenue		810
Lease liability, net of current portion		226
Deferred tax liability		2,931
Total liabilities assumed	$	4,577
Net assets acquired	$	9,170

Goodwill	$	14,581
Total net assets acquired	$	23,751

Schedule of acquisition date fair value of the consideration transferred

The acquisition date fair value of the consideration transferred is as follows (in thousands):


	Total Acquisition Date Fair Value
Cash consideration	$	26,042
Total consideration transferred	$	26,042

Schedule of estimated useful life of identifiable intangible assets acquired


	Gross Value		Estimated Life
Trade name	$	1,300	8.5 years
Customer relationships		3,700	9.5 years
Total intangible assets	$	5,000

Business Acquisition [Line Items]

Schedule of estimated fair values of assets acquired and liabilities assumed

The following table summarizes the allocation of the purchase price to the estimated fair values of assets acquired and liabilities assumed (in thousands):


	At September 7, 2021
Assets acquired:
Cash and cash equivalents	$	855
Accounts receivable		966
Inventory		906
Prepaid expenses and other current assets		412
Property and equipment		691
Intangible assets		1,080
Other noncurrent assets		1,100
Total assets acquired	$	6,010
Liabilities assumed:
Accounts payable	$	1,307
Current portion of lease liability		72
Accrued expenses and other current liabilities		508
Current portion of long-term debt, net of deferred financing costs		138
Long‑term debt		764
Lease liability, net of current portion		750
Deferred tax liability		75
Other noncurrent liabilities		228
Total liabilities assumed	$	3,842
Net assets acquired	$	2,168

Goodwill	$	3,515
Total net assets acquired	$	5,683

Schedule of acquisition date fair value of the consideration transferred

The acquisition date fair value of the consideration transferred is as follows (in thousands):


	Total Acquisition Date Fair Value
Cash consideration	$	7,613
Total consideration transferred	$	7,613

Schedule of estimated useful life of identifiable intangible assets acquired

The estimated useful lives of the identifiable intangible assets acquired is as follows:


	Gross Value		Estimated Life
Trade name	$	230	8 years
Customer relationships		2,400	8 years
Total intangible assets	$	2,630

Business Acquisition [Line Items]

Schedule of estimated fair values of assets acquired and liabilities assumed

The following table summarizes the preliminary allocation of the purchase price to the estimated fair values of assets acquired and liabilities assumed (in thousands):


	At October 29, 2021
Assets acquired:
Cash and cash equivalents	$	230
Accounts receivable		677
Inventory		343
Prepaid expenses and other current assets		98
Property and equipment		495
Intangible assets		4,340
Other noncurrent assets		1,416
Total assets acquired	$	7,599
Liabilities assumed:
Accounts payable	$	209
Current portion of lease liability		201
Accrued expenses and other current liabilities		255
Lease liability, net of current portion		1,216
Total liabilities assumed	$	1,881
Net assets acquired	$	5,718

Goodwill	$	6,804
Total net assets acquired	$	12,522

Schedule of acquisition date fair value of the consideration transferred

The acquisition date fair value of the consideration transferred is as follows (in thousands):


	Total Acquisition Date Fair Value
Cash consideration	$	201,399
Equity consideration		411,603
Total consideration transferred	$	613,002

Schedule of estimated useful life of identifiable intangible assets acquired


	Gross Value		Estimated Life
Developed Technology	$	72,900	8 years
Trade name		1,300	4 years
Customer relationships		7,900	12 years
Total intangible assets	$	82,100