X0306 4 2022-09-14 1 0000892537 MANTECH INTERNATIONAL CORP MANT 0001184144 MINIHAN KENNETH A 2251 CORPORATE PARK DRIVE HERNDON VA 20171 1 0 0 0 Class A Common Stock 2022-09-14 4 D 0 23000 96.00 D 0 D Pursuant to the Agreement and Plan of Merger, dated as of May 13, 2022 (the "Merger Agreement"), by and among ManTech International Corporation (the "Company"), Moose Bidco, Inc. ("Parent"), and Moose Merger Sub, Inc., a direct, wholly owned subsidiary of Parent ("Merger Sub"), the Merger Sub merged with and into the Company (the "Merger"), with the Company surviving the Merger as a wholly owned subsidiary of Parent. Pursuant to the Merger Agreement, at the effective time of the Merger, each share of Class A Common Stock, par value $0.01 per share, of the Company and Class B Common Stock, par value $0.01 per share, of the Company was canceled and converted into the right to receive $96.00 in cash, without interest and less any applicable tax withholdings. /s/ Michael R. Putnam, under a Power of Attorney 2022-09-15