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Sandell Asset Management Calls on Management of SemGroup Corporation to Immediately Pursue Sale of the Company in an Auction Process Nov 22, 2011 11:29AM
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 (PAA) Sends Letter Reiterating SemGroup (SEMG) Acquisition Intentions Nov 16, 2011 08:17AM
Plains All American Pipeline, L.P. Reiterates Proposal to Acquire SemGroup Corporation Nov 16, 2011 08:16AM


Nov 14, 2011 08:35PM NGL Energy Partners LP Announces Seasonal Net Loss and Filing of Form 10-Q
Nov 14, 2011 04:56PM SemCrude Announces Project to Expand its Platteville Truck Unloading Terminal
Nov 1, 2011 03:46PM SemGroup Completes Contribution of SemStream Assets to NGL Energy Partners
Oct 24, 2011 03:37PM SemGroup Rejects Unsolicited Acquisition Proposal by Plains All American Pipeline
Oct 24, 2011 10:28AM Notable Mergers and Acquisitions of the Day 10/24: (CI)/(HS) (ORCL)/(RNOW) (GOOG)/(YHOO) (TUC)