Osmonics (OSM) 10-K405 1999 FY Annual report (delinquent filer disclosure)

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Exhibit 99.1

OSMONICS, INC. AND SUBSIDIARIES
VALUATION AND QUALIFYING ACCOUNTS
(In thousands)
Years Ended December 31, 1999, 1998 and 1997

Column A	Column B		Column C					Column D			Column E
			Additions
Description	Balance at Beginning of Period		Charged to Cost and Expensed		Charged to Other Accounts			Deductions			Balance at End of Period
Year Ended December 31, 1999:
Current Operations:
Allowance for Doubtful Accounts	$	1,057	$	762				$	504	(A)	$	1,315
Warranty and Start-up Reserve	$	2,098	$	2,052				$	2,214	(B)	$	1,936
Year Ended December 31, 1998:
Current Operations:
Allowance for Doubtful Accounts	$	888	$	502	$	153	(C)	$	486	(A)	$	1,057
Warranty and Start-up Reserve	$	1,900	$	2,046				$	1,848	(B)	$	2,098
Year Ended December 31, 1997:
Current Operations:
Allowance for Doubtful Accounts	$	907	$	139				$	158	(A)	$	888
Warranty and Start-up Reserve	$	1,802	$	2,343				$	2,245	(B)	$	1,900
Discontinued Operations:
Warranty Reserve	$	1,957						$	1,957	(D)	$	0

(A)

Uncollectible accounts charged against allowance.

(B)

Actual warranty claims and start-up costs charged against reserve.

(C)

Addition due to acquisition.

(D)

Company determined that the reserve was no longer required.

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OSMONICS, INC. AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS (In thousands) Years Ended December 31, 1999, 1998 and 1997