Item 2. PROPERTIES.

We are headquartered in Woburn, Massachusetts and have executive offices in Irvine, California. For information regarding property, plant and equipment by geographic region for each of the last three fiscal years, see Note 16 of Item 8 of this Annual Report on Form 10-K. The following table sets forth our principal facilities:



Location	Owned/Leased	Square Footage	Primary Function
Woburn, Massachusetts	Owned	158,000	Corporate headquarters and manufacturing
Adamstown, Maryland	Owned	121,200	Manufacturing and office space
Newbury Park, California	Owned	111,600	Manufacturing and office space
Irvine, California	Leased	126,900	Design center
Newbury Park, California	Leased	114,100	Design center
San Jose, California	Leased	49,800	Design center
Cedar Rapids, Iowa	Leased	42,900	Design center
Santa Clara, California	Leased	42,200	Design center
Osaka, Japan	Leased	405,400	Filter manufacturing
Mexicali, Mexico	Owned	380,000	Manufacturing and office space
Singapore, Singapore	Leased	134,000	Filter manufacturing
Kadoma, Japan	Leased	103,000	Filter manufacturing and office space
Ottawa, Ontario	Leased	30,900	Design center
Seoul, Korea	Leased	22,900	Design center

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