Fair Value Measurements

3 Months Ended

Mar. 31, 2016

Questar complies with the accounting standards for fair value measurements and disclosures. The standards establish a fair value hierarchy. Level 1 inputs are unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access at the measurement date. Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 3 inputs are unobservable inputs for the asset or liability. The Company had no assets or liabilities measured using Level 3 inputs at March 31, 2016, March 31, 2015, or December 31, 2015. Fair value accounting standards also apply to certain nonfinancial assets and liabilities that are measured at fair value on a nonrecurring basis. At December 31, 2015, the Company recorded a pre-tax abandonment and impairment charge of $12.1 million for the South Moxa leasehold. Thus, the South Moxa leasehold was reported at fair value on a nonrecurring basis at December 31, 2015. Questar did not have any assets or liabilities measured at fair value on a nonrecurring basis at March 31, 2016 or March 31, 2015.

Questar

The following table discloses the carrying amount, estimated fair value and level within the fair value hierarchy of certain financial instruments not disclosed in other notes to Questar's financial statements in this Quarterly Report:



	Hierarchy Level of Fair Value Estimates	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
		March 31, 2016				March 31, 2015				Dec. 31, 2015
		(in millions)
Financial assets
Cash and cash equivalents	1	$	0.4	$	0.4	$	4.8	$	4.8	$	25.0	$	25.0
Long-term investment	1	15.1		15.1		16.2		16.2		14.1		14.1
Financial liabilities
Short-term debt	1	458.5		458.5		214.0		214.0		457.6		457.6
Long-term debt, including current portion	2	957.0		1,050.4		1,231.8		1,396.3		1,206.7		1,263.7

The long-term investment is recorded at fair value and consists of money market and short-term bond index mutual funds held in Wexpro's trust (see Note 6). The fair value of the long-term investment is based on quoted prices for the underlying funds. The fair value of fixed-rate long-term debt is based on the discounted present value of cash flows using the Company's current credit risk-adjusted borrowing rates.

Questar Gas



	Hierarchy Level of Fair Value Estimates	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
		March 31, 2016				March 31, 2015				Dec. 31, 2015
		(in millions)
Financial assets
Cash and cash equivalents	1	$	—	$	—	$	—	$	—	$	10.5	$	10.5
Financial liabilities
Checks outstanding in excess of cash balances	1	0.7		0.7		0.4		0.4		—		—
Notes payable to Questar	1	140.5		140.5		35.8		35.8		273.3		273.3
Long-term debt	2	527.6		591.7		526.8		629.0		527.4		568.4

The carrying amounts of notes payable to Questar approximate fair value because of their short maturities and market-based interest rates. The fair value of fixed-rate long-term debt is based on the discounted present value of cash flows using Questar Gas's current credit risk-adjusted borrowing rates.

Questar Pipeline



	Hierarchy Level of Fair Value Estimates	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
		March 31, 2016				March 31, 2015				Dec. 31, 2015
		(in millions)
Financial assets
Cash and cash equivalents	1	$	1.2	$	1.2	$	6.1	$	6.1	$	10.2	$	10.2
Notes receivable from Questar	1	33.2		33.2		35.9		35.9		6.0		6.0
Financial liabilities
Long-term debt, including current portion	2	429.4		458.7		453.9		515.1		429.2		445.2

The carrying amounts of notes receivable from Questar approximate fair value because of their short maturities and market-based interest rates. The fair value of fixed-rate long-term debt is based on the discounted present value of cash flows using Questar Pipeline's current credit risk-adjusted borrowing rates.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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