SOURCE: SemGroup Corporation

SemGroup Corporation

November 17, 2010 11:52 ET

SemGroup Corporation Announces Timing of Third Quarter 2010 Financial Results, Conference Call and Webcast

TULSA, OK--(Marketwire - November 17, 2010) - SemGroup® Corporation (NYSE: SEMG), a midstream energy company, today announced that it plans to release its third quarter 2010 results after the market closes on Tuesday, November 30, 2010. This release will be followed by a conference call for investors at 4:30 p.m. Eastern Time (3:30 p.m. Central Time) on November 30th to discuss SemGroup's third quarter results. Hosting the call will be Norman J. Szydlowski, President and Chief Executive Officer, and Robert N. Fitzgerald, Senior Vice President and Chief Financial Officer.

The call can be accessed live over the telephone by dialing (800) 299-6183, or for international callers, (617) 801-9713. The passcode for the call is 33198361. A replay will be available shortly after the call and can be accessed by dialing (888) 286-8010, or for international callers, (617) 801-6888. The passcode for the replay is 79804132. The replay will be available until December 7, 2010.

Interested parties may also listen to a simultaneous webcast of the conference call by logging onto SemGroup's Investor Relations website at ir.semgroupcorp.com. A replay of the webcast will also be available for a year following the call at ir.semgroupcorp.com on the Calendar of Events-Past Events page.

About SemGroup

Based in Tulsa, OK, SemGroup® Corporation (NYSE: SEMG) is a publically traded midstream service company providing the energy industry the means to move products from the wellhead to the wholesale marketplace. SemGroup provides diversified services for end-users and consumers of crude oil, natural gas, natural gas liquids, refined products and asphalt. Services include purchasing, selling, processing, transporting, terminalling and storing energy.

SemGroup® is a registered trademark of SemGroup Corporation.

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