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SemGroup and Exterran Holdings Announce New Gas Processing Plant Intended to Meet Growing Demand for Midstream Services Nov 22, 2011 09:07AM
SemGroup Reiterates Rejection of Plains All American Pipeline Unsolicited Proposal Nov 17, 2011 08:01AM
Plains All American Pipeline, L.P. Reiterates Proposal to Acquire SemGroup Corporation Nov 16, 2011 08:16AM
SemCrude Announces Project to Expand its Platteville Truck Unloading Terminal Nov 14, 2011 04:56PM
SemGroup Announces New Board Member Nov 4, 2011 05:38PM


Nov 1, 2011 03:46PM SemGroup Completes Contribution of SemStream Assets to NGL Energy Partners
Oct 28, 2011 04:53PM SemGroup Adopts Shareholder Rights Plan; Amends By-Laws
Oct 24, 2011 03:37PM SemGroup Rejects Unsolicited Acquisition Proposal by Plains All American Pipeline
Mar 31, 2011 01:34PM Unusual 11 Mid-Day Movers 03/31: (LUNA) (NLTX) (SYMX) Higher; (MBND) (HRZ) (ES) Lower