UnitedHealthcare of South Carolina, Inc.

Aetna Health Inc. (a Florida Corporation)

Aetna Health Inc. (a Georgia Corporation)

Aetna Health Inc. (a Louisiana Corporation)

Aetna Health Inc. (a Maine Corporation)

Aetna Health Inc. (a New Jersey Corporation)

Aetna Health Inc. (a Pennsylvania Corporation)

Aetna Health Inc. (a Texas Corporation)

Aetna Health Insurance Company