Second Quarter Fiscal Year 2020 Financial Results

Growth strategy update ● ● ● ● ● Created low-risk content expansion in capabilities and addressable markets Acquired capabilities drove Tier 2 subsystems provider transformation Expanding in core sensor and effector mission systems market C41 market expansion: C31 and platform/mission management Uniquely positioned to provide DoD trusted, secure microelectronics solutions Investing $15M to expand scope of existing microelectronics business Completed West coast RF facility buildout and consolidation Integration of prior acquisitions progressing well; APC integration on track © 2020 Mercury Systems, Inc. 7

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