2020 Annual Meeting of Shareholders

12 Q4 FY23 guidance In $ millions, except percentage and per share data Revenue GAAP Net Income GAAP Earnings Per Share Weighted-average diluted shares outstanding Adjusted EPS (4) Adj. EBITDA (4) % of revenue © Mercury Systems, Inc. Q4 FY22 (¹) $289.7 $16.9 $0.30 56.3 $0.81 $71.6 24.7% Does not contain Technical Data. //Mercury Proprietary/No Tech Data// Q4 FY23(2)( $269.3 - $289.3 $1.2 - $9.1 $0.02 - $0.16 57.1 $0.47 - $0.61 $49.6- $59.6 18.4% 20.6% CHANGE (7%) -0% (93%) - (46%) (93%) - (47%) (42%) - (25%) (31%) - (17%) Notes (1) Q4 FY22 figures are as reported in the Company's earnings release dated August 2, 2022. (2) The guidance included herein is from the Company's earnings release dated May 2, 2023. (3) The effective tax rate in the guidance included herein excludes discrete items (4) Non-GAAP, see reconciliation table. (5) All references in this presentation to the fourth quarter of fiscal 2022 are to the quarter ended July 1, 2022, and to the fourth quarter of fiscal 2023 are to the quarter ending June 30, 2023. mercury

View entire presentation