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NORTHWEST PIPELINE CORPORATION POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS that each of the undersigned individuals,
in their capacity as a director or officer, or both, as hereinafter set forth
below their signature, of NORTHWEST PIPELINE CORPORATION, a Delaware
corporation (NWP), does hereby constitute and appoint RICHARD D. RODEKOHR AND
JEFFREY P. HEINRICHS their true and lawful attorneys and each of them (with
full power to act without the other) their true and lawful attorneys for them
and in their name and in their capacity as a director or officer, or both, of
NWP, as hereinafter set forth below their signature, to sign NWPs Annual
Report to the Securities and Exchange Commission on Form 10-K for the fiscal
year ended December 31, 2003, and any and all amendments thereto or all
instruments necessary or incidental in connection therewith; and THAT the undersigned NWP does hereby constitute and appoint RICHARD D.
RODEKOHR AND JEFFREY P. HEINRICHS its true and lawful attorneys and each of
them (with full power to act without the other) its true and lawful attorney
for it and in its name and on its behalf to sign said Form 10-K and any and all
amendments thereto and any and all instruments necessary or incidental in
connection therewith. Each of said attorneys shall have full power of substitution and
resubstitution, and said attorneys or any of them or any substitute appointed
by any of them hereunder shall have full power and authority to do and perform
in the name and on behalf of each of the undersigned, in any and all
capacities, every act whatsoever requisite or necessary to be done in the
premises, as fully to all intents and purposes as each of the undersigned might
or could do in person, the undersigned hereby ratifying and approving the acts
of said attorneys or any of them or of any such substitute pursuant hereto. IN WITNESS WHEREOF, the undersigned have executed this instrument, all as
of the 12th day of February, 2004. /s/ J. Douglas Whisenant
    
    
    
    /s/ Richard D. RodekohrJ. Douglas Whisenant
    
    
    
    Richard D. RodekohrPresident, Chief Executive
    
    
    
    Vice President andOfficer, and Director
    
    
    
    Treasurer(Principal Executive Officer)
    
    
    
    (Principal Financial Officer)/s/ Jeffrey P. HeinrichsJeffrey P. HeinrichsController(Principal Accounting Officer)




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/s/ Steven J. Malcolm
    
    
    
    /s/Allison G. BridgesSteven J. Malcolm
Director
    
    
    
    Allison G. Bridges
Director
 NORTHWEST PIPELINE CORPORATIONBy
    
    /s Richard D. RodekohrRichard D. RodekohrVice President andTreasurerATTEST:s/s Brian K. ShoreBrian K. ShoreSecretary




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NORTHWEST PIPELINE CORPORATION I, the undersigned, Brian K. Shore, Secretary of NORTHWEST PIPELINE
CORPORATION, a Delaware company (hereinafter called the Company), do hereby
certify that pursuant to Section 141(f) of the General Corporation Law of
Delaware, the Board of Directors of this Corporation unanimously consented, as
of February 12, 2004, to the following: RESOLVED that the Chairman of the Board, the President
or any Vice President of the Company be, and each of them
hereby is, authorized and empowered to execute a Power of
Attorney for use in connection with the execution and
filing, for and on behalf of the Company, under the
Securities Exchange Act of 1934, of the Companys Annual
Report on Form 10-K for the fiscal year ended December 31,
2003. I further certify that the foregoing resolution has not been
modified, revoked or rescinded and is in full force and effect. IN WITNESS WHEREOF, I have hereunto set my hand and affixed the corporate
seal of NORTHWEST PIPELINE CORPORATION this 12th day of February, 2004. s/s Brian K. Shore
Brian K. Shore
Secretary
 [CORPORATE SEAL]