UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of ~~report~~Report (Date of earliest event ~~reported~~reports): ~~December~~October 1511, ~~2016~~2017

Questar Gas Company

(Exact ~~Name~~name of ~~Registrant~~registrant as ~~Specified~~specified in ~~Its~~its ~~Charter~~charter)

Utah	~~333~~33-69210	87-0155877
(State or other jurisdictionof incorporation)	(CommissionFile Number)	(IRS EmployerIdentification No.)
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
333 South State Street, P.O. Box 45360 Salt Lake City, Utah		84145-0360
333 South Lake Street P.O. Box 45360 Salt Lake City, Utah		84145-0360
(Address of Principal Executive Offices)		(Zip Code)
(Address of Principal Executive Office)		(Zip Code)

Registrant’s ~~Telephone~~telephone ~~Number~~number, ~~Including~~including ~~Area~~area ~~Code~~code: (801) 324-5900

Not Applicable

(Former ~~Name~~ name or ~~Former Address~~address, if ~~Changed~~changed ~~Since~~since ~~Last~~last ~~Report~~report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Item~~Indicate 1by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.01405 ~~Entry~~of ~~into~~this achapter) ~~Material~~or ~~Definitive~~Rule ~~Agreement~~12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

OnEmerging ~~December 15,~~Growth ~~2016, Questar Gas~~ Company ☐ (the “Company”) entered into a note purchase agreement (the “Note Purchase Agreement”) with the purchasers listed in Schedule A thereto (collectively, the “Purchasers”) relating to the issuance and sale by the Company of $50,000,000 aggregate principal amount of 3.62% Senior Notes, Series A, due December 1, 2046 and $50,000,000 aggregate principal amount of 3.67% Senior Notes, Series B, due December 1, 2051 (collectively, the “Notes”).

~~The~~If ~~Note Purchase~~an ~~Agreement~~emerging ~~contains~~growth ~~restrictive~~company, ~~covenants~~indicate ~~customary~~by ~~for~~check ~~such~~mark ~~financings,~~if ~~including,~~the ~~among~~registrant ~~other~~has ~~things,~~elected ~~covenants~~not ~~that~~to ~~place~~use ~~limits on~~ the ~~Company’s~~extended ~~ability~~transition toperiod ~~enter~~for ~~into material transactions~~ complying with ~~affiliates,~~any ~~merge~~new or ~~consolidate~~revised ~~with other~~financial ~~persons,~~accounting ~~incur~~standards ~~liens~~provided onpursuant ~~assets~~to ~~and~~Section 13(a) ~~incur additional debt. The Note Purchase Agreement also contains events~~ of ~~default customary for such financings,~~ the ~~occurrence~~Exchange ~~of which would permit the Purchasers of the Notes to accelerate the amounts due thereunder under certain circumstances~~Act. ☐

~~The~~Item ~~foregoing description of the Note Purchase Agreement is qualified in its entirety by reference to the Note Purchase Agreement, which is filed as Exhibit~~ 1.101 ~~hereto~~Entry ~~and~~into ~~incorporated~~a ~~herein~~Material byDefinitive ~~reference~~Agreement.

~~Item~~On 2October 11, 2017, Questar Gas Company (the “Company”) entered into a Note Purchase Agreement (the “Note Purchase Agreement”) with the purchasers listed on Schedule A thereto (collectively, the “Purchasers”) relating to the issuance and sale by the Company of (i) $100,000,000 aggregate principal amount of 2017 Series A 3.0338% ~~Creation~~Senior Notes due November 15, 2032; (ii) $50,000,000 aggregate principal amount of a2018 ~~Direct~~Series ~~Financial~~A ~~Obligation~~3.30% orSenior anNotes ~~Obligation~~due ~~under~~April 1, an2030; ~~Off–Balance~~and ~~Sheet~~(iii) ~~Arrangement~~$100,000,000 aggregate principal amount of a2018 ~~Registrant~~Series B 3.97% Senior Notes due November 15, 2047 (collectively, the “Notes”).

The ~~information~~Note ~~set~~Purchase ~~forth~~Agreement contains inrestrictive ~~Item 1.01~~covenants ~~above~~customary isfor ~~hereby incorporated~~similar byfinancings, ~~reference~~including, among other things, covenants that place limits on the Company’s ability to enter into ~~this~~material ~~Item 2~~transactions with affiliates, merge or consolidate with other persons, incur liens on assets and incur additional debt.03 The Note Purchase Agreement also contains events of default customary for similar financings, the occurrence of which would permit the Purchasers to accelerate the amounts due under the Notes under certain circumstances.

~~Item~~The ~~9.01~~foregoing ~~Financial~~description ~~Statements~~of the Note Purchase Agreement is qualified in its entirety by reference to the Note Purchase Agreement, which is filed as Exhibit 1.1 hereto and ~~Exhibits~~incorporated herein by reference.

~~(d)~~Item ~~Exhibits~~2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

Exhibit No.		Description
1.1		Note Purchase Agreement, dated December 15, 2016, by and among the Company and the purchasers listed in Schedule A thereto

The information set forth in Item 1.01 above is hereby incorporated by reference into this Item 2.03.

~~SIGNATURE~~Item 9.01 Financial Statement and Exhibits.

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


Exhibit No.		Description

1.1		Note Purchase Agreement, dated October 11, 2017, by and among the Company and the Purchasers listed on Schedule A thereto.

~~QUESTAR~~SIGNATURE ~~GAS COMPANY Registrant /s/ James R. Chapman Name: James R. Chapman Title: Senior Vice President – Mergers & Acquisitions and Treasurer~~

~~Date:~~Pursuant ~~December~~to 16the requirements of the Securities Exchange Act of 1934, ~~2016~~the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


QUESTAR GAS COMPANY Registrant

/s/ James R. Chapman
Name:		James R. Chapman
Title:		Senior Vice President – Mergers & Acquisitions and Treasurer

Date: October 17, 2017

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