FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2015

Liabilities measured at fair value on a recurring basis

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



	March 31, 2015
	Level 1		Level 2		Level 3		Total
	(Thousands of Dollars)
Accrued compensation expense:
NuStar Energy restricted units and performance awards	$	7,021	$	—	$	—	$	7,021
Total	$	7,021	$	—	$	—	$	7,021

	December 31, 2014
	Level 1		Level 2		Level 3		Total
	(Thousands of Dollars)
Accrued compensation expense:
NuStar Energy restricted units and performance awards	$	5,369	$	—	$	—	$	5,369
Total	$	5,369	$	—	$	—	$	5,369

- Definition

Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.

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