10-K/A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-K/A

Amendment No. 1

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the Year Ended December 31, 2007

QUESTAR PIPELINE COMPANY

(Exact name of registrant as specified in its charter)

STATE OF UTAH	000-14147	87-0307414
(State or other jurisdiction of Incorporation or organization)	(Commission File No.)	(I.R.S. Employer Identification No.)

180 East 100 South, P.O. Box 45360, Salt Lake City, Utah 84145-0360

(Address of principal executive offices)

Phone:  (801) 324-2400

(Registrant’s telephone number)

Securities registered pursuant to Section 12(b) of the Act: None

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes  [  ]     No  [X]

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

Yes  [  ]     No  [X]

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  

Yes  [X]     No  [  ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  [  ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer”, and “smaller reporting company” in Rule 12b-2 of the Exchange Act.  (Check one):

Large accelerated filer [   ]	Accelerated filer [   ]
Non-accelerated filer [X]     (Do not check if a smaller reporting company)	Smaller reporting company [   ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  [  ]     No  [X]

Aggregate market value of the voting common equity held by non-affiliates of the registrant as of the last business day of the registrant’s most recently completed second quarter (June 30, 2007):  $0.

On February 29, 2008, 6,550,843 shares of the registrant’s common stock, $1.00 par value, were outstanding (all shares are owned by Questar Corporation).

Registrant meets the conditions set forth in General Instructions (I)(1)(a) and (b) of Form 10-K and is therefore filing this amended form with the reduced disclosure format.

.

Questar Pipeline 2007 Form 10-K/A

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EXPLANATORY NOTE

This Amendment No. 1 to the Annual Report on Form 10-K of Questar Pipeline Company (the Company) amends the Company’s Annual Report on Form 10-K for the 12 months ended December 31, 2007, (the Original Filing) which was filed with the Securities and Exchange Commission on March 17, 2008. The Company is filing this Amendment No. 1 for the purpose of providing revised Exhibits 31.1 and 31.2 which contain the Certification of the Chief Executive Officer and the Certification of the Chief Financial Officer, respectively. The certifications included in Exhibits 31.1 and 31.2 to the Original Filing inadvertently omitted the language required to be included in paragraph 4(b) of such certifications pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. Except as described above, this Amendment No. 1 does not amend any other information set forth in the Original Filing and the Company has not updated disclosures included therein to reflect any events that occurred subsequent to March 17 , 2008.

Questar Pipeline 2007 Form 10-K/A

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TABLE OF CONTENTS

PART IV

EXHIBITS, FINANCIAL STATEMENT SCHEDULES.

5

5

Questar Pipeline 2007 Form 10-K/A

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ITEM 15.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES.

Exhibit No.

Description

31.1.

Certification signed by R. Allan Bradley, Questar Pipeline Company President and Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

31.2.

Certification signed by S. E. Parks, Questar Pipeline Company Vice President and Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on the 6th day of November, 2008.

QUESTAR PIPELINE COMPANY

    (Registrant)

/s/R. Allan Bradley

R. Allan Bradley

President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

/s/R. Allan Bradley

President and Chief Executive Officer;

R. Allan Bradley

Director

(Principal Executive Officer)

/s/S. E. Parks

Vice President and Chief

S. E. Parks

Financial Officer

(Principal Financial Officer)

/s/D. M. Curtis

Vice President and Controller

D. M. Curtis

(Principal Accounting Officer)

*Keith O. Rattie

Chairman of the Board; Director

*R. Allan Bradley

President and CEO, Director

*Alan K. Allred

Director

*Teresa Beck

Director

*L. Richard Flury

Director

*Gary G. Michael

Director

*Bruce A. Williamson

Director

November 6, 2008

*By  /s/ R. Allan Bradley

       Date

R. Allan Bradley, Attorney in Fact

Questar Pipeline 2007 Form 10-K/A

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Exhibit No.

Description

31.1.

Certification signed by R. Allan Bradley, Questar Pipeline Company President and Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

31.2.

Certification signed by S. E. Parks, Questar Pipeline Company Vice President and Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

Questar Pipeline 2007 Form 10-K/A

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EX-31

Exhibit 31.1.

CERTIFICATION

I, R. Allan Bradley, certify that:

1.

I have reviewed this report of Questar Pipeline Company on Form 10-K/A for the period ended December 31, 2007;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

[intentionally omitted];

4.

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

5.

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2008

/s/R. Allan Bradley

R. Allan Bradley

President and Chief Executive Officer

EX-31

Exhibit 31.2.

CERTIFICATION

I, S. E. Parks, certify that:

1.

I have reviewed this report of Questar Pipeline Company on Form 10-K/A for the period ended December 31, 2007;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

[intentionally omitted];

4.

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

5.

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent function):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 6, 2008

/s/S. E. Parks

S. E. Parks

Vice President and Chief Financial Officer