ETRN - Equitrans Midstream Corporation 2021 Q4 - Results - Earnings Call Presentation February, 22 2022 01:28 PM Equitrans Midstream Corporation The following slide deck was published by Equitrans Midstream Corporation in conjunction with their 2021 Q4 earnings call. For further details see: Equitrans Midstream Corporation 2021 Q4 - Results - Earnings Call Presentation