Company: MRCY
Filing Date: 2025-09-10
Form Type: DEF 14A
Source: 0001049521-25-000029
Chunk: 9

Company: MERCURY SYSTEMS INC
Filing Date: 2025-09-10
Form: DEF 14A
Chunk 9
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, which can be found on your proxy card. Proxies submitted by internet or telephone must be received by 1:00 a.m., Eastern Time, on October 22, 2025. If you return a signed proxy card but do not provide voting instructions for some or all of the matters to be voted on, your shares will be voted on all uninstructed matters in accordance with the recommendations of the Board.

• Shareholders Through the Mercury Systems 401(k) Plan. If you indirectly own shares through the Company stock fund in the Mercury Systems 401(k) plan, you may vote by proxy before the Annual Meeting by internet at the website indicated on your proxy card, by calling the number indicated on your proxy card, or by signing and returning your proxy card. To vote by internet or telephone, you will need your voting control number, which can be found on your proxy card. Proxies submitted by internet or telephone must be received by 1:00 a.m., Eastern Time, on October 20, 2025. If you return a signed proxy card but do not provide voting instructions for some or all of the matters to be voted on, your shares will be voted on all uninstructed matters in accordance with the recommendations of the Board.

If you sign, date, and return the proxy card but do not specify how your shares are to be voted, then your proxy will vote your shares as follows:

• FOR the election of the three nominees for Class I directors and the one nominee for Class II director named below under Proposal 1;

• FOR the approval of, on an advisory basis, the fiscal 2025 compensation of our named executive officers as disclosed in this proxy statement;

• FOR the approval of our new 2025 Long Term Incentive Plan; and

• FOR the ratification of the appointment of KPMG LLP as our independent registered public accounting firm for fiscal 2026.

What discretion does my broker have to vote my shares held in "street name"?

A broker holding your shares in "street name" must vote those shares according to any specific instructions it receives from you. If specific instructions are not received, your broker may vote your shares in its discretion, depending on the type of proposal involved. Under applicable rules, brokers may not vote on "non-routine" matters without specific instructions from you, such as the election of directors, the advisory vote on say-on-pay, and the approval of our 2025 Long Term Incentive Plan. If such matters come before the