1. CONFIDENTIAL Northwest Pipeline Grant Jensen Security Conference Grant Jensen Security Conference

2. Northwest Pipeline Natural gas pipeline 4000 miles of pipe Built in 1956 Expanded several times 50 yrs. of continuous service Backbone of natural gas supply to the Pacific Northwest

3. Northwest Pipeline - Characteristics Provides access to multiple natural gas supply basins We are a transporter - We don’t own the gas Customers: - LDCs - Industrials - Electric Generators

4. Northwest Pipeline Gas Deliveries 3 Bcf/day – more than twice the total energy output of Bonneville Power Administration Everett / Delta Power Project IdahoOregon Washington 85% - 90% 65-75 % 95 %

5. Northwest Pipeline In Washington 1,400 miles of pipeline 150 meter stations 13 compressor stations Facilities in 25 of 39 Counties Two storage facilities

6. Investment in Facilities Expansions: Over $1 billion since 1993

7. Investment in Facilities Reliability and Safety: Over $500 million Since1998

8. Protecting the Pipeline – Internal Inspections

9. Protecting the Pipeline – Third Party Damage

11. Protecting the Pipeline - Other Issues How to protect a 4,000- mile linear system? Need to know vs. Right to know? Level of detail of Maps on the Internet?