Insurance and Financial

Owner

AETNA SERVICES, INC.

—

Insurance and Financial

Owner

AETNA SERVICES, INC.

May 19, 1998

Insurance and Financial

Owner

AETNA SERVICES, INC.

Sep 1, 1998

Insurance and Financial

Owner

AETNA SERVICES, INC.

Jun 2, 1998

Insurance and Financial

Owner

AETNA SERVICES, INC.

Feb 24, 1998

Computer and Scientific

Owner

AETNA SERVICES, INC.

Oct 7, 1997

Insurance and Financial

Owner

AETNA SERVICES INC.

Jul 29, 1997