Issuer:

Questar Market Resources, Inc.

Aggregate Principal Amount Offered:

$450,000,000

Coupon:

6.80%

Maturity:

April 1, 2018

Yield to Maturity:

6.810%

Spread to Benchmark Treasury:

+ 325 basis points

Benchmark Treasury:

3.50% due February 15, 2018

Benchmark Treasury Price and Yield:

$99-16 and 3.56%

Interest Payment Dates:

March 1 and September 1, commencing September 1, 2008

Redemption Provision:

Make Whole Call UST+ 50 basis points

Price to Public:

99.939%

Net proceeds to Issuer (after underwriting discount, but before expenses):

$446,800,500

Use of Proceeds:

Questar Market Resources, Inc. intends to use the proceeds to reduce a $500 million short-term bank loan.

Settlement Date:

April 4, 2008

Sole Book-Running Manager:

Banc of America Securities LLC

Lead Manager:

Wachovia Capital Markets, LLC

Co-Managers:

Barclays Capital Inc., BMO Capital Markets Corp., J.P. Morgan Securities Inc., SunTrust Robinson Humphrey, Inc., Wells Fargo Securities, LLC, Lazard Capital Markets LLC, Greenwich Capital Markets, Inc., SG Americas Securities, LLC and UBS Securities LLC