Company: MRCY
Filing Date: 2025-09-10
Form Type: DEF 14A
Source: 0001049521-25-000029
Chunk: 22

Company: MERCURY SYSTEMS INC
Filing Date: 2025-09-10
Form: DEF 14A
Chunk 22
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 satisfy our disclosure requirements regarding any amendment to, or waiver of, a provision of our Code of Business Conduct and Ethics by disclosing such matters on our website.

#### Does Mercury have a Human Rights Policy?
Yes. We have adopted a Human Rights Policy applicable to our employees and our suppliers. Our Human Rights Policy is posted on our website at www.mrcy.com on the "Investor Relations" page under "Corporate Governance." This Policy goes beyond mere compliance with law. When differences arise between standards and legal requirements, the stricter standard applies, in compliance with applicable law. We also expect our employees and suppliers to conduct themselves in accordance with all other Mercury policies, including the Code of Business Conduct and Ethics.

#### Does Mercury have a Supplier Code of Conduct?
Yes. We have adopted a Supplier Code of Conduct. Our Supplier Code of Conduct is posted on our website at www.mrcy.com . Our Supplier Code establishes minimum expectations and requirements for suppliers, as well as their employees, subcontractors, and agents in connection with their business dealings with Mercury. We encourage suppliers to go beyond the principles outlined in the Supplier Code and to observe the highest international standards. If a matter is not expressly addressed in the Supplier Code, we expect suppliers to use good judgment and respect the spirit of the Supplier Code.

Does Mercury have a method for the anonymous reporting of accounting, legal, and ethical concerns?

Yes. Our Code of Business Conduct and Ethics, our Human Rights Policy, and our Supplier Code of Conduct each include a means for the anonymous reporting of any concerns about accounting, legal, and ethical matters. Any employee, supplier, customer, shareholder, or other interested party can submit a report via the following anonymous methods:

• by telephone voicemail at 866-277-5739; or

• by submitting a complaint via the internet at www.whistleblowerservices.com/mrcy.

Does Mercury have a written policy governing related-person transactions?

Yes. We have adopted a written policy which provides for the review and approval by the Audit Committee of transactions involving Mercury in which a related person is known to have a direct or indirect interest and that are required to be reported under Item 404(a) of Regulation S-K promulgated by the SEC. For purposes of this policy, a related person includes: (1) any of our directors, director nominees, or executive officers; (2) any known beneficial owner of more than 5% of any class of our voting securities; or (3) any immediate family member of any of the foregoing. In situations