FAIR VALUE MEASUREMENTS

12 Months Ended

Dec. 31, 2013

We segregate the inputs used in measuring fair value into three levels: Level 1, defined as observable inputs such as quoted prices for identical assets or liabilities in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable, such as quoted prices for similar assets or liabilities in active markets or quoted prices for identical assets or liabilities in markets that are not active; and Level 3, defined as unobservable inputs in which little or no market data exists.

The following liabilities are measured at fair value on a recurring basis:



	December 31, 2013
	Level 1		Level 2		Level 3		Total
	(Thousands of Dollars)
Accrued compensation expense:
NuStar Energy restricted units	$	6,224	$	—	$	—	$	6,224
Total	$	6,224	$	—	$	—	$	6,224



	December 31, 2012
	Level 1		Level 2		Level 3		Total
	(Thousands of Dollars)
Accrued compensation expense:
NuStar Energy restricted units	$	10,376	$	—	$	—	$	10,376
Total	$	10,376	$	—	$	—	$	10,376

Fair Value of Financial Instruments

We recognize cash equivalents, receivables, payables and short-term debt in our consolidated balance sheets at their carrying amount. The fair values of these financial instruments approximate their carrying amounts. The fair value of our short-term debt would fall in Level 2 of the fair value hierarchy.

- 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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