1. The Pipeline Safety Trust “Restoring Trust In Pipeline Safety” New Orleans, LA November 2-3, 2006 Nate Muehl Damage Prevention & ROW Relations Manager Marathon Pipe Line LLC

2. Celebrates 100th anniversary this month Operates more than 5,000 miles of pipeline Operate pipelines in 15 states Owned by Marathon Petroleum Company LLC 5th largest U.S. refiner Safely moves 136 millions gallons of crude/products a day

3. Objective for this Session To Appreciate Multiple Perspectives on ROW Clearing and its Impact to Stakeholders

4. Philosophy on ROW clearing ROW clearing process Property owner relations Shared by Discussing: Marathon Pipe Line’s Perspective

5. Part of Overall Safety and Integrity Program Site Selection Construction Best Practices In Line Inspections Corrosion Control Preventative Maintenance Employee Safety Programs Hydrotests Equipment Inspections Contractor Safety Programs Emergency Preparedness Damage Prevention ROW Clearing

6. One-Call (“Call Before You Dig”) Process Line Locating Procedures ROW Activity Monitoring Public Awareness Program Pipeline Signage Aerial Patrol ROW Clearing Process Includes: Damage Prevention Program

7. Public Safety ROW Clearing is performed for one reason:

8. A Clear ROW Provides for Increased Ability to Visually Monitor Threats to the Pipeline ROW clearing enables: Aerial Surveillance Third-Party Damage Prevention Corrosion Protection Emergency Response Access Routine Maintenance Access ROW Clearing

9. 49 CFR 195.412 Inspection of rights of way and crossings under navigable waters. “(a) Each operator shall, at intervals not exceeding 3 weeks, but at least 26 times each calendar year, inspect the surface conditions on or adjacent to each pipeline right-of-way. Methods of inspection include walking, driving, flying or other appropriate means of traversing the right-of-way.” Regulatory Reference

10. Why the Heightened Awareness? Increased vigilance to safety Increased regulator expectations Landowners unaware of pipeline on property Media attention ROW clearing has been performed for years ROW Clearing

11. Clearing Process Plan and maintain schedules for ROW clearing Perform environmental assessment Contact property owners Clarify scope of work - mark clearing area Perform clearing Inspect ROW clearing Restore property

12. Property Owner Relations Activities that Foster Positive Relations: Provide pipeline awareness materials Cut and stack logs for firewood Dispose of logs per property owner request Repair of fences Remove dead trees outside easement per property owner Move smaller trees from ROW Restoring property

13. ROW Clearing Schedule Ground clearing of active pipelines will be completed in 2007 Mowing to maintain ROW – Every 3 Years (southern states twice/year) Canopy Trimming – every 6 Years

14. Path Forward Continue to build property owner relations Continue to provide public awareness Continue industry and stakeholder discussions Maintain ROWs once cleared

15. Restoring Trust In Pipeline Safety New Orleans, LA November 2-3, 2006 Nate Muehl Damage Prevention & ROW Relations Manager Marathon Pipe Line LLC Thank you