Company: MRCY
Filing Date: 2025-09-10
Form Type: DEF 14A
Source: 0001049521-25-000029
Chunk: 80

Company: MERCURY SYSTEMS INC
Filing Date: 2025-09-10
Form: DEF 14A
Chunk 80
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 Awards." In the event that the payments reported in this column, when aggregated with all other change in control payments, would subject the named executive officer to an excise tax under IRS regulations, these payments would be reduced to the highest amount for which no excise tax would be due, but only if the reduced amount is greater than the unreduced amount net of the excise tax.

The occurrence of a change in control has no immediate effect on the vesting of RSUs or PSUs; however, any PSUs outstanding at the time of a change in control would be automatically converted at that time to RSUs covering a number of shares based on the actual performance achieved under the PSUs through the date of the change in control (which would be deemed to be no less than the target level of performance). These new RSUs would be subject to the same remaining vesting schedule as the PSUs being converted.

(3) The outplacement benefit reported in this table reflects the maximum amount payable for such services in connection with the circumstances of the applicable termination event.

(4) Medical benefits are based on the applicable multiple of the premiums payable by the Company in calendar 2025 to provide the named executive officer (and the named executive officer's spouse and dependents, as applicable) with medical, dental and vision coverage, together with an additional COBRA coverage administrative fee that would be borne by the Company.

(5) The value reported for accelerated equity vesting reflects the unvested number of shares underlying outstanding awards on the date of termination, multiplied by the closing price of our common stock on the date of termination. In the case of PSUs, the value reported for accelerated equity vesting assumes that:

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(a) both the change in control (if applicable) and the termination of employment occurred on June 27, 2025; and

(b) actual performance under each award is at the applicable level of achievement used to quantify the number of shares outstanding in the "Outstanding Equity Awards at Fiscal Year-End" table.

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#### CEO Pay Ratio
We are providing the following information about the ratio for fiscal 2025 of our CEO's total compensation to the total compensation of our median compensated employee (our "CEO pay ratio") pursuant to the SEC's guidance under Item 402(u) of Regulation S-K. The CEO pay ratio disclosed below represents a reasonable good faith estimate, calculated in a manner consistent with SEC rules, based on our payroll and