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Angle Energy Inc. Provides Operational Update and Accomplishment of 2011 Exit Production and Light Oil Goals Dec 13, 2011 08:24AM
Plains All American Pipeline, L.P. Reiterates Proposal to Acquire SemGroup Corporation Nov 16, 2011 08:16AM
Angle Announces 2011 Third Quarter Results Nov 2, 2011 05:22PM
SemGroup Completes Contribution of SemStream Assets to NGL Energy Partners Nov 1, 2011 03:46PM