Field Manual of the AAR Interchange Rules Rule A Outlines the Rules, responsibilities and who must subscribe Rule B Qualifies the standards for component manufacturer and reconditioning Rule 1 Care of Freight Cars, Inspection, repairs to foreign cars, disposition for unacceptable cars, gages and publications required and car classification Rules 3 – 82 Specific to components and repairs, Air Brakes through Welding A. Cause for Attention B. Correct Repairs C. Reconditioning Requirements D. Welding Requirements E. General Information F. Billing Repair Car Requirements Job Codes May 21, 2008 DTE Rail Services, Inc. Railcar 101

Field Manual of the AAR Interchange Rules Preparation of Repair Records Car Part Codes Why Made Codes Responsibility Codes Car Symbols Repair Facility Symbol Rules 84 and 85 Use of Advertisements and Routing Cards and Furnished Material Rules 88, 89 and 90 Mechanical Requirements for Acceptance Conditions Governing Delivery and Acceptance Acceptable in Interchange Cars and/or Car Parts Prohibited In Interchange Rule 91 Service Interruption May 21, 2008 DTE Rail Services, Inc. Railcar 101

Field Manual of the AAR Interchange Rules Transfer or Adjustment of Lading Rule 95 Handling and/or Delivering Line Responsibility Rule 96 Owners Responsibility Rules 102 and 103 Defect Cards and Joint Inspection Certificates Rule 107 Handling of Damaged or Destroyed Equipment Rule 108 Cars Requiring Extensive Repairs Rule 120 Rule Compliance and Enforcement Appendix A – H Various definitions, specifications May 21, 2008 DTE Rail Services, Inc. Railcar 101

Office Manual of the AAR Interchange Rules Price Matrix Qualifies every Job Code for Why made Responsibility code Condition code Material value Labor time standard and labor value Applicable credits Provides information concerning specific Job Codes not covered in the Field Manual Rule 88, Mechanical Requirements For Acceptance Specifies the requirements for new, newly acquired, rebuilt, modified, increased gross rail load, extended service status, increased life status and the documentation required for all rail equipment in interchange service May 21, 2008 DTE Rail Services, Inc. Railcar 101

Office Manual of the AAR Interchange Rules Train II and UMLER Reporting Procedures, Equipment Management Information System - EMIS Rule 94 Equipment Health Management System - EHMS Rule 102 Defect Card procedures Rule 103 Joint Inspection Certificate, format and procedures Rule 107 Handling of Damaged or Destroyed Equipment Disposition/Settlement, depreciated value or settlement value Rule 111 Car repair pricing procedures, basis for labor and material values May 21, 2008 DTE Rail Services, Inc. Railcar 101

Office Manual of the AAR Interchange Rules Car repair billing requirements and procedures, invoicing and auditing Rule 113 Data Exchange Rule 120 AAR Rule Compliance and Enforcement, covers inspections and investigations Rules 121 and 122 Arbitration and Rules Committee, Interpretation and Settlement of Disputes Rules 123 and 124 Revision of Rules and participation in “AAR Interchange Agreement” Rule 125 Early Warning/Maintenance Advisory System Appendix A – H Definitions and procedures May 21, 2008 DTE Rail Services, Inc. Railcar 101