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Stock Trading History of Kawalek Polly B

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Kawalek Polly B since year 2005. The trader's CIK number is 1050698. At the time of this reporting, Kawalek Polly B is the Director of Martek Biosciences Corp . (stock ticker symbol MATK). See this page for all insider trading activities at Martek Biosciences Corp .

Stock purchases, sales, and option exercises reported by insider *Kawalek Polly B* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-13	MATK	Martek Biosciences Corp	Option Exercise	2,907	.00	0
2006-02-03	MATK	Martek Biosciences Corp	Purchase	1,000	27.81	27,810

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Kawalek Polly B (Director of Martek Biosciences Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.