 HOUSTON, April 23, 2021 PRNewswire -- Oasis Midstream Partners LP Nasdaq: OMP Oasis Midstream or the Partnership plans to announce its First Quarter 2021 financial and operational results on Wednesday, May 5, 2021 at market close. Additionally, the Company will host a live webcast and conference call on Thursday, May 6, 2021 at 12:00 p.m. 