Pharmaceuticals

Owner

COLLAGENEX, INC.

—

Pharmaceuticals

Owner

COLLAGENEX, INC.

May 5, 1998

Pharmaceuticals

Owner

COLLAGENEX, INC.

Aug 19, 1997

Pharmaceuticals

Owner

COLLAGENEX, INC.

May 12, 1998

Pharmaceuticals

Owner

COLLAGENEX, INC.

Aug 4, 1998

Computer and Scientific

Owner

COLLAGENEX, INC.

—

Pharmaceuticals

Owner

COLLAGENEX, INC.

May 5, 1998