TULSA, Okla., Jan. 14, 2013 (GLOBE NEWSWIRE) -- SemGroup ® Corporation (NYSE:SEMG) and Rose Rock Midstream, L.P. (NYSE:RRMS) today announced plans to release fourth quarter 2012 results after market closes on Thursday, February 28, 2013.
|What:||SemGroup Corporation and Rose Rock Midstream fourth quarter 2012 earnings conference call and webcast|
|When:||11:00 AM Eastern, March 1, 2013|
|Where:||1) Phone conference call|
|* U.S. callers - 877.359.3652, pass code 88748209|
|* International callers - 720.545.0014, pass code 88748209|
|2) Log on to the webcast at ir.semgroupcorp.com|
|3) Log on to the webcast at ir.rrmidstream.com|