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Company Structure

The following is a diagram illustrating the simplified structure of Superior, Superior LP and their principal subsidiaries as of March 10, 2009.

Company Structure


(1) Superior Plus LP and Superior General Partner Inc. indirectly own 99.9% and 0.1%, respectively, of Superior Energy Management Gas LP and Superior Energy Management Electricity LP.
(2) Superior Plus US Holdings Inc., a Delaware Corporation, has wholly-owned subsidiaries through which ERCO Worldwide and Winroc conduct operations in the United States.
(3) A corporation incorporated pursuant to the laws of Chile.
(4) Except where otherwise noted, all corporations are incorporated pursuant to the laws of Canada and all limited partnerships have been formed pursuant to the laws of Ontario.