Mercury Systems, Inc. announced that Michael Ruppert Chief Financial Officer will step down from the Company, effective February 17, 2023, to accept an opportunity at a private company. Michelle McCarthy, Senior Vice President, Chief Accounting Officer, will serve as Mercury's interim Chief Financial Officer. The Company has initiated a search process, with the assistance of a leading executive search firm, to identify a permanent successor.

Ms. McCarthy is Mercury's Senior Vice President, Chief Accounting Officer. She joined the Company in 2018 with responsibilities spanning financial reporting, accounting, and tax operations. Ms. McCarthy has extensive senior financial experience in accounting and reporting at several companies, including Analog Devices Inc. and Ernst & Young LLP.

Nelson Erickson, Senior Vice President, Strategy and Corporate Development, will assume additional responsibility for the Investor Relations function. Mr. Ruppert's departure is not related to any issues or disagreements regarding the Company's financial statement disclosures or accounting policies or practices.