Adjusted EBITDA Increased 73% Year-Over-Year; 2014 Adjusted EBITDA Guidance $92 to $97 Million TULSA, Okla., Feb. 27, 2014 (GLOBE NEWSWIRE) -- Rose Rock Midstream ® , L.P. (NYSE:RRMS) today announced its financial results for the three months and year ended December 31, 2013. Rose Rock Midstream reported fourth quarter 2013 Adjusted EBITDA of $21.0 million, up 34% from the third quarter 2013 of $15.7 million, and more than double the fourth quarter 2012 of $9.9 million. Adjusted EBITDA for the year ended December 31, 2013, totaled $68.5 million, up 73% from $39.5 million for the year ended December 31, 2012. Rose Rock's results improved over the previous quarter of 2013 due to a $3.5 million increase in marketing as a result of higher volumes along with a 15% increase in White Cliffs Pipeline volumes. "Rose Rock Midstream had a strong finish to the year, exceeding our previous guidance range and delivering excellent results driven by growth," said Norm Szydlowski, chief executive officer of Rose Rock Midstream's general partner. "We are confident that our solid financial results, 15% increase in cash distributions year-over-year and our continued focus on organic growth projects and growth-oriented acquisitions are all steps in the right direction. Looking to 2014, Rose Rock is ready to meet the increased demand for midstream services with a strong balance sheet and plenty of room to grow." Adjusted gross margin was $35.6 million for the fourth quarter 2013, up 50% from the third quarter 2013 of $23.8 million and 85% above fourth quarter 2012 Adjusted gross margin of $19.2 million. Adjusted gross margin and Adjusted EBITDA, which are non-GAAP measures, are reconciled to their most directly comparable GAAP measures below. Fourth quarter 2013 net income totaled $7.5 million, compared to $9.4 million for the third quarter 2013 and $4.6 million for the fourth quarter 2012. Net income decreased from the prior quarter due to increased depreciation primarily related to a revision of the estimated useful life of certain pipeline segments.