| Schedule of Net Income Per Unit |
The following table details the calculation of earnings per unit: | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2016 | | 2015 | | 2016 | | 2015 | | (Thousands of Dollars, Except Unit and Per Unit Data) | Net income attributable to NuStar Energy L.P. | $ | 51,141 |
| | $ | 65,016 |
| | $ | 161,059 |
| | $ | 247,240 |
| Less: Distributions to general partner (including incentive distribution rights) | 12,866 |
| | 12,766 |
| | 38,398 |
| | 38,298 |
| Less: Distributions to limited partner | 85,943 |
| | 85,285 |
| | 256,513 |
| | 255,855 |
| Less: DERs to restricted units | 650 |
| | — |
| | 1,969 |
| | — |
| Distributions in excess of earnings | $ | (48,318 | ) | | $ | (33,035 | ) | | $ | (135,821 | ) | | $ | (46,913 | ) | | | | | | | | | Net income attributable to limited partner units: | | | | | | | | Distributions to limited partner | $ | 85,943 |
| | $ | 85,285 |
| | $ | 256,513 |
| | $ | 255,855 |
| Allocation of distributions in excess of earnings | (47,351 | ) | | (32,374 | ) | | (133,103 | ) | | (45,974 | ) | Total | $ | 38,592 |
| | $ | 52,911 |
| | $ | 123,410 |
| | $ | 209,881 |
| | | | | | | | | Basic weighted-average limited partner units outstanding | 78,031,053 |
| | 77,886,078 |
| | 77,934,802 |
| | 77,886,078 |
| | | | | | | | | Diluted units outstanding: | | | | | | | | Basic weighted-average limited partner units outstanding | 78,031,053 |
| | 77,886,078 |
| | 77,934,802 |
| | 77,886,078 |
| Effect of dilutive participating securities | 31,836 |
| | — |
| | 46,497 |
| | — |
| Diluted weighted-average limited partner units outstanding | 78,062,889 |
| | 77,886,078 |
| | 77,981,299 |
| | 77,886,078 |
| | | | | | | | | Basic and diluted net income per unit applicable to limited partners | $ | 0.49 |
| | $ | 0.68 |
| | $ | 1.58 |
| | $ | 2.69 |
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