Toshiba Claims and/or Interests

Toshiba Claims and/or Interests. Any claims and/or interests that Toshiba or its Affiliates have, or may assert or in the future assert, against USEC arising out of or related to the Toshiba Stock Interests; provided, however, that the term does not include any claims and/or interests related to the commercial arrangements among Toshiba and its Affiliates and USEC and its Affiliates other than those arising out of or related to the Toshiba Stock Interests