One Williams Center

P.O. Box 2400

Tulsa, OK 74102-2400

918/573-2000

June 4, 2010

H. Christopher Owings
Assistant Director
United States Securities and Exchange Commission
Mail Stop 3561
Washington, D.C. 20549

RE:  Williams Pipeline Partners L.P. and Northwest Pipeline GP
Forms 10-K for the Fiscal Year Ended December 31, 2009
Filed February 23, 2009
File Nos. 001-33917 and 001-07414

Dear Mr. Owings:

With respect to your letter dated June 2, 2010 regarding your review of our filings, you request a response to the respective comments within 10 business days or for us to advise of when we would provide a response. Pursuant to my conversation yesterday with Ms. Lisa Sellars, I am writing to request additional time to provide our responses. Because of travel schedules for certain key individuals, I would appreciate an extension for our response until June 22, 2010.

Thank you for your consideration.

Sincerely,
 

/s/ Ted Timmermans  

Ted Timmermans 

Vice President Controller and
Chief Accounting Officer
The Williams Companies
One Williams Center
Tulsa, OK 74172
918-573-3437