 PRINCETON JUNCTION, N.J., March 12, 2021 GLOBE NEWSWIRE -- MISTRAS Group, Inc. NYSE:MG has scheduled a conference call for Wednesday, March 17, 2021 at 9:00am Eastern Time to discuss its results for the fourth quarter and fiscal year ended December 31, 2020. A press release with the fourth quarter results will be issued after the close of market on Tuesday, March 16, 2021. 