Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (Nos. 333-217047, 333-254369 and 333-266573) on Form S-8 of our report dated March 15, 2023, with respect to the consolidated financial statements of Mistras Group, Inc.

/s/ KPMG LLP

Short Hills, New Jersey
March 11, 2024