1) ALTICOR, INC.

2) BRAEBURN PHARMACEUTICALS, INC.

3) HENDERSON-COLUMBIA CORP. AND THE ESTATE OF WILBUR C. HENDERSON

4) MCKESSON CORPATION AND ITS AFFILIATE US ONCOLOGY (FORMERLY US ONCOLOGY)

5) SCRIBEAMERICA

6) TRIMBLE NAVIGATION LIMITED

7) VERTEX PHARMACEUTICALS INCORPORATED