NUMBER OF       PERCENTAGE
BENEFICIAL OWNER                                                                   SHARES OWNED         OWNED
-----------------                                                                 ----------------   ------------
Credit Suisse First Boston.....................................................        16,364,771           22.2%
11 Madison Avenue, New York, New York 10010-3629
Francis W. Cash................................................................                 0              *
Keith B. Pitts.................................................................                 0              *
George D. Morgan...............................................................            87,500(1)           *
Susan Thomas Whittle...........................................................            45,975(2)           *
C. Christian Winkle............................................................            62,500(3)           *
Arthur W. Stratton, Jr., M.D...................................................                 0              *
R. Jeffrey Taylor..............................................................                 0              *
Gene E. Burleson...............................................................           645,433(4)           *
Joel S. Kanter.................................................................           216,800(5)           *
William G. Petty, Jr...........................................................           489,515(6)           *
All current directors and executive officers as a group (7 persons)............         1,547,723(7)        2.10%

--------------