The Hart-Scott-Rodino Act requires under certain circumstances that prospective acquirers of voting securities or assets apply for clearance from regulators. Requests for early termination or clearance are granted when the Federal Trade Commission and the antitrust division of the Department of Justice have determined that they won't take action during the waiting period. The following is a list of companies or people to which the FTC has granted early clearance of antitrust concerns under the HSR Act: NAME OF ACQUIRING PERSON NAME OF ACQUIRED PERSON DATE NAME OF ACQUIRED ENTITY TERMINATED _____________________________________________________________ Superior Energy Services, Inc. Wednesday Complete Production Services, Inc. Complete Production Services, Inc. Carl C. Icahn Wednesday Navistar International Corporation Navistar International Corporation AstraZeneca plc Wednesday Pfizer Inc. Pfizer Inc. Waste Connections, Inc. Wednesday Alaska Pacific Environmental Services Anchorage, LLC Alaska Pacific Environmental Services Anchorage, LLC Alaska Waste Mat-Su, LLC Alaska Waste Interior, LLC Alaska Waste-Kenai Peninsula, LLC Iochpe-Maxion, S.A. Wednesday Grupo Galaz, S.A. de C.V. Grupo Galaz, S.A. de C.V. GCP Fund III Corporation Wednesday AW-PAG, L.L.C. PRG Parking Holding, L.L.C.