 CANONSBURG, Pa.--BUSINESS WIRE-- ETRN--Equitrans Midstream Corporation NYSE: ETRN will release its fourth quarter and full-year 2020 earnings on Tuesday, February 23, 2021, and will also host a conference call with analysts and investors at 10:30 am ET. A brief QA session for ETRN security analysts will immediately follow the results discussion. Call Access: All participants must pre-register online, in advance of the call. Upon completion, registered participants will receive a confirmatio 