On December 13, 2019, the Company completed the acquisition of Zumbro. The Company made payments of $52,403 on the acquisition date, amounting to $47,058 to the former shareholders and $5,345 to Zumbro's lenders to pay Zumbro debt. Considering the cash acquired of $686, net payments made to the former shareholders were $46,372. In May 2020, the Company received an adjustment for working capital acquired of $561.

The goodwill of $18,505 arising from the acquisition consists largely of expected synergies, including the combined entities' experience and technical problem-solving capabilities, and acquired workforce. The goodwill is assigned to Human Nutrition & Health ("HNH") and $4,723 is deductible for income taxes.


Cash and cash equivalents	$	686
Accounts receivable	3,314
Inventories	4,052
Prepaid & other current assets	521
Property, plant and equipment	15,245
Right of use assets	3,181
Customer relationships	8,200
Developed technology	4,400
Trade name	2,300
Other non-current assets	10
Accounts payable & accrued expenses	(1,651)
Lease liabilities	(3,181)
Debt	(5,345)
Deferred income taxes	(3,740)
Goodwill	18,505
Amount paid to shareholders	46,497
Zumbro debt paid on purchase date	5,345
Total amount paid on acquisition date	$	51,842

The estimated valuation of the fair value of tangible and intangible assets acquired and liabilities assumed are based on management's estimates and assumptions that are subject to change. In preparing our fair value estimates of the intangible assets and certain tangible assets acquired, management, among other things, consulted an independent advisor. Valuation methods utilized included cost and market approaches for property, plant and equipment, excess earnings method for customer relationships and the relief from royalty method for other intangible assets.

Customer relationships are amortized over a 15-year period utilizing an accelerated method based on the estimated average customer attrition rate. Trade name and developed technology are amortized over 10 years and 12 years, respectively, utilizing the straight-line method as the consumption pattern of the related economic benefits cannot be reliably determined.

The Company is indemnified for tax liabilities related to periods prior to the acquisition date. Indemnified tax liabilities will create an indemnification asset (receivable). An indemnification asset balance has not been established.

On May 27, 2019, the Company acquired 100 percent of the outstanding common shares of Chemogas. The Company made payments of approximately €99,503 (translated to $111,324) on the acquisition date, amounting to approximately €88,579 (translated to $99,102) to the former shareholders and approximately €10,924 (translated to $12,222) to Chemogas' lender to pay Chemogas bank debt. Considering the cash acquired of €3,943 (translated to $4,412), net payments made to the former shareholders were €84,636 (translated to $94,690).

The goodwill of $59,319 that arose on the acquisition date consists largely of expected synergies, including the combined entities' experience and technical problem-solving capabilities, and acquired workforce. The goodwill is assigned to the Specialty Products segment and is not tax deductible for income tax purposes.


Cash and cash equivalents	$	4,412
Accounts receivable	4,176
Inventories	957
Property, plant and equipment	15,972
Customer relationships	39,158
Developed technology	2,461
Trade name	1,119
Other assets	1,491
Accounts payable	(3,261)
Bank debt	(12,222)
Other liabilities	(1,030)
Pension obligation (net)	(594)
Deferred income taxes	(12,856)
Goodwill	59,319
Amount paid to shareholders	99,102
Chemogas bank debt paid on purchase date	12,222
Total amount paid on acquisition date	$	111,324

The valuation of the fair value of tangible and intangible assets acquired and liabilities assumed are based on management’s estimates and assumptions. In preparing our fair value estimates of the intangible assets and certain tangible assets acquired, management, among other things, consulted an independent advisor. Valuation methods utilized included cost and market approaches for property, plant and equipment, excess earnings method for customer relationships and the relief from royalty method for other intangible assets.

Customer relationships are amortized over a 20-year period utilizing an accelerated method based on the estimated average customer attrition rate. Trade name and developed technology are amortized over 2 years and 10 years, respectively, utilizing the straight-line method as the consumption pattern of the related economic benefits cannot be reliably determined.

In connection with Chemogas and Zumbro acquisitions, the Company incurred transaction and integration costs of $26, $1,480, and $1,947 for the years ended December 31, 2021, 2020 and 2019, respectively.

Total transaction and integration costs related to recent acquisitions, including the Chemogas and Zumbro acquisitions described above, are recorded in general and administrative expenses. These costs amounted to $448, $2,011, and $2,273 for the years ended December 31, 2021, 2020 and 2019, respectively.

On September 6, 2019, the Company sold an insignificant portion of its business. As a result of the transaction, the Company recorded a gain on sale, which was immaterial to the consolidated financial statements and included in general and administrative