| Schedule of earnings per Unit |
The following table presents details on EPU. | | | | | | | | | | | | Year ended December 31, | | | 2013 | | 2012 (1) | | | (Dollars in thousands, except per-unit amounts) | Net income | | $ | 43,636 |
| | $ | 41,726 |
| Less: net income attributable to the pre-IPO period | | — |
| | 24,112 |
| Less: net income attributable to SMP Holdings | | 52 |
| | — |
| Net income attributable to SMLP | | 43,584 |
| | 17,614 |
| Less: net income attributable to general partner, including IDRs | | 1,035 |
| | 352 |
| Net income attributable to limited partners | | $ | 42,549 |
| | $ | 17,262 |
| | | | | | Numerator for basic and diluted EPU: | | | | | Allocation of net income among limited partner interests: | | | | | Net income attributable to common units | | $ | 23,227 |
| | $ | 8,632 |
| Net income attributable to subordinated units | | 19,322 |
| | 8,630 |
| Net income attributable to limited partners | | $ | 42,549 |
| | $ | 17,262 |
| | | | | | Denominator for basic and diluted EPU: | | | | | Weighted-average common units outstanding – basic | | 26,951,346 | | 24,412,427 | Less: effect of non-vested phantom units and non-vested restricted units | | 150,133 |
| | 131,558 |
| Weighted-average common units outstanding – diluted | | 27,101,479 |
| | 24,543,985 |
| | | | | | Weighted-average subordinated units outstanding – basic and diluted | | 24,409,850 |
| | 24,409,850 |
| | | | | | Net income per limited partner unit: | | | | | Common unit – basic | | $ | 0.86 |
| | $ | 0.35 |
| Common unit – diluted | | $ | 0.86 |
| | $ | 0.35 |
| Subordinated unit – basic and diluted | | $ | 0.79 |
| | $ | 0.35 |
|
__________ (1) Calculated for the period from October 1, 2012 to December 31, 2012 |