 PRINCETON JUNCTION, N.J., April 29, 2022 GLOBE NEWSWIRE -- MISTRAS Group, Inc. NYSE:MG has scheduled a conference call for Wednesday, May 4, 2022 at 9:00 am Eastern Time to discuss its results for the first quarter of 2022. A press release with the first quarter results will be issued after the close of market on Tuesday, May 3, 2022. 