Stock Trading History of Griffin Randall M

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 Griffin Randall M since year 2005. The trader's CIK number is 1250531. At the time of this reporting, Griffin Randall M is the President & CEO of Corporate Office Properties Trust . (stock ticker symbol OFC). See this page for all insider trading activities at Corporate Office Properties Trust .

Stock purchases, sales, and option exercises reported by insider *Griffin Randall M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-12	OFC	Corporate Office Properties Trust	Sale	25,300	39.03	987,459
2008-05-12	OFC	Corporate Office Properties Trust	Option Exercise	25,300	9.25	234,025
2007-02-22	OFC	Corporate Office Properties Trust	Option Exercise	94,700	9.25	875,975
2007-02-23	OFC	Corporate Office Properties Trust	Option Exercise	94,700	54.04	5,117,588

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 Griffin Randall M (President & CEO of Corporate Office Properties Trust at the time of this reporting) see the Securities and Exchange Commission (SEC) website.