Parsons amends bylaws to adopt universal proxy rules and enhance stockholder meeting procedures

On January 16, 2023, the Board of Directors (the “Board”) of Parsons Corporation (the “Company”) amended and restated the Company’s bylaws, effective as of January 16, 2023 (as so amended and restated, the “Second Amended and Restated Bylaws”), to, among other things: • address the universal proxy rules adopted by the U.S. Securities and Exchange Commission, by clarifying that no person may solicit proxies in support of a director nominee other than the Board’s nominees unless such person has complied with Rule 14a-19 under the Securities Exchange Act of 1934, as amended, including applicable notice and solicitation requirements; and • enhance procedural mechanics and disclosure requirements in connection with stockholder nominations of directors and submissions of proposals regarding other business at stockholder meetings, including requiring additional background information and disclosures regarding proposing stockholders, proposed nominees and business, and other persons related to