Mistras Group, Inc. 10-Q

ITEM 5. Other Information None. 38 Table of Contents ITEM 6. Exhibits Exhibit No. Description 10.1 Fifth Amendment, date May 19, 2021, to the Fifth Amended and Restate Credit Agreement (filed as Exhibit 10.1 to Current Report on Form 8-K, filed May 20, 2021 and incorporated herein by reference), 10.2 Memorandum of Understanding, dated May 4, 2021, regarding the settlement of the two legal proceedings captioned Price v. Mistras Group, Inc. 31.1 Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. 31.2 Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934. 32.1 Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS XBRL Instance Document 101.SCH XBRL Schema Document 101.CAL XBRL Calculation Linkbase Document 101.LAB XBRL Labels Linkbase Document 101.PRE XBRL Presentation Linkbase Document 101.DEF XBRL Definition Linkbase Document _________________ 39 Table of Contents Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. MISTRAS GROUP, INC. By: /s/ Edward J. Prajzner Edward J. Prajzner Executive Vice President, Chief Financial Officer and Treasurer (Principal Financial and Accounting Officer and duly authorized officer) Date: August 3, 2021 40