Ticker        Shares
 Person/Entity                Symbol        Owned (1)    At the Current Market

 Bill Schrader, Pres          PSIX           5,441,200                  $0
 Matrix Partners, VC          PSIX           3,641,254                  $0
 Humphreys/Matrix, Dir        PSIX           3,641,254                  $0
 Woodson/Sigma, Dir           PSIX           2,670,254                  $0
 Sigma Partners, VC           PSIX           2,481,954                  $0
 Marty Schoffstall, CTO       PSIX           2,392,992                  $0
 Bessmer Ventures, Indiv.     PSIX           2,239,814                  $0
 Bessmer Venture Partners     PSIX           2,202,863                  $0
 James Gleick, Pipeline guy   PSIX           1,782,343                  $0