X0303 4 2010-12-08 0001050446 MICROSTRATEGY INC MSTR 0001203474 BEDELL JEFFREY A 1850 TOWERS CRESCENT PLAZA VIENNA VA 22182 0 1 0 0 EVP, Technology and CTO Class A Common Stock 2010-12-08 4 M 0 12500 24.80 A 20696 D Class A Common Stock 2010-12-08 4 S 0 1100 88.00 D 19596 D Class A Common Stock 2010-12-08 4 S 0 200 88.04 D 19396 D Class A Common Stock 2010-12-08 4 S 0 100 88.0425 D 19296 D Class A Common Stock 2010-12-08 4 S 0 2800 88.0464 D 16496 D Class A Common Stock 2010-12-08 4 S 0 800 88.0475 D 15696 D Class A Common Stock 2010-12-08 4 S 0 817 88.05 D 14879 D Class A Common Stock 2010-12-08 4 S 0 300 88.065 D 14579 D Class A Common Stock 2010-12-08 4 S 0 100 88.07 D 14479 D Class A Common Stock 2010-12-08 4 S 0 200 88.075 D 14279 D Class A Common Stock 2010-12-08 4 S 0 1400 88.08 D 12879 D Class A Common Stock 2010-12-08 4 S 0 700 88.09 D 12179 D Class A Common Stock 2010-12-08 4 S 0 547 88.10 D 11632 D Class A Common Stock 2010-12-08 4 S 0 510 88.1082 D 11122 D Class A Common Stock 2010-12-08 4 S 0 76 88.11 D 11046 D Class A Common Stock 2010-12-08 4 S 0 1300 88.12 D 9746 D Class A Common Stock 2010-12-08 4 S 0 540 88.14 D 9206 D Class A Common Stock 2010-12-08 4 S 0 1000 88.1425 D 8206 D Class A Common Stock 2010-12-08 4 S 0 10 88.15 D 8196 D Employee Stock Option (right to buy) 24.80 2010-12-08 4 M 0 12500 0 D 2011-04-18 Class A Common Stock 12500 12500 D Separate open market sale transactions that were executed on 12/08/2010 at the same price have been reported on an aggregate basis on a single line in Table I. The order in which sale transactions are set forth in Table I is not necessarily reflective of the sequence in which the sale transactions occurred in fact. Of the 12,500 shares exercised on 12/08/2010 pursuant to this stock option, 6,250 shares vested on 04/18/2002 and 6,250 shares vested on 04/18/2003. Of the remaining 12,500 shares subject to the stock option, 6,250 vested on 04/18/2004 and 6,250 vested on 04/18/2005. See Exhibit A. /s/ Jeffery A. Bedell 2010-12-10