X0203 3 2011-05-31 0 0000857005 PARAMETRIC TECHNOLOGY CORP PMTC 0001521513 Berutti William 140 KENDRICK STREET NEEDHAM MA 02494 0 1 0 0 EVP, PTC Business Units Common Stock 152 D Restricted Stock Units Common Stock 10683 D Restricted Stock Units Common Stock 19186 D Restricted Stock Units Common Stock 14840 D Each restricted stock unit represents a contingent right to receive one share of Parametric Technology Corporation common stock. Time-based Restricted Stock Units that vested as to 10,684 RSUs on each of November 15, 2009 and November 15, 2010, and will vest as to 10,683 RSUs on November 15, 2011. Time-based Restricted Stock Units that vested as to 9,593 RSUs on July 15, 2010 and will vest as to 9,593 RSUs on each of July 15, 2011 and July 15, 2012. Time-based Restricted Stock Units that vest as to 4,948 RSUs on November 15, 2011 and 4,946 RSUs on each of November 15, 2012 and November 15, 2013. Catherine Gorecki by power of attorney filed 6/1/2011 2011-06-01