We are investigating possible breaches of fiduciary duty and other violations of law by the board of directors of Oasis Midstream Partners LP (“OMP” or the “Company”) (NASDAQ: OMP) in connection with the proposed merger of the Company with Crestwood Equity Partners LP (“Crestwood”) (NYSE: CEQP).  Under the terms of the agreement, Oasis Petroleum Inc. (“Oasis”), as a unitholder of OMP, will receive $160 million in cash in addition to approximately 21.0 million common units of Crestwood in aggregate in exchange for its 33.85 million OMP common units and non-economic general partner stake.  Public OMP unitholders will receive 0.87 units of Crestwood common units for each unit of OMP they own.  Upon completion of the transaction, Oasis will own approximately 21.7% of Crestwood common units.  The transaction is valued at approximately $6.9 billion.

WeissLaw LLP is investigating whether (i) OMP’s board of directors acted in the best interests of Company shareholders in agreeing to the proposed transaction, (ii) the merger consideration is fair to OMP’s shareholders, and (iii) all information regarding the sales process and valuation of the transaction will be fully and fairly disclosed.