Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

May 26, 1992

Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

Oct 27, 1992

Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

—

Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

—

Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

—

Insurance and Financial

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

—

Electrical and Scientific Apparatus

Owner

GROUP HEALTH SERVICE OF OKLAHOMA, INC.

Dec 8, 1987