3/12/07 Vector Later Stage Equity … II LP SC 13G/A 2:36K Pozen Inc./NC Toppan Merrill-FA Barclay A. Phillips³ D. Theodore Berghorst³ Deborah Berghorst Ttee fbo Berghorst 1998 Dynastic³ Douglas B. Reed³ Elisa J. Eubanks³ Kathleen M. Stanley³ Thomas C. Dorn³ Vector Fund Management II, L.L.C.³ Vector Later-Stage Equity Fund II (QP) L.P.³ 3/6/06 Vector Later Stage Equity … II LP SC 13G/A 2:39K Pozen Inc./NC Toppan Merrill-FA Barclay A. Phillips³ D. Theodore Berghorst³ Deborah Berghorst Ttee fbo Berghorst 1998 Dynastic³ Douglas B. Reed³ Elisa J. Eubanks³ Kathleen M. Stanley³ Mark D. Flower³ Thomas C. Dorn³ Vector Fund Management II, L.L.C³ Vector Later-Stage Equity Fund II (QP) L.P.³