PAE Incorporated announced that on March 15, 2021, John E. Heller submitted a letter resigning from his position as President of the company for personal reasons. Mr. Heller's letter provided that his resignation is effective on March 19, 2021. Mr. Heller's resignation was not due to any disagreement with PAE Incorporated on any matter relating to its operations, policies or practices. On March 16, 2021, the Board of Directors appointed Charles D. Peiffer as Interim President of PAE Incorporated, effective at the opening of business on March 19, 2021. Mr. Peiffer has served as the Executive Vice President and Chief Financial Officer of PAE since 2014, and he will continue in that role. Prior to being named to this position, Mr. Peiffer served as the Senior Vice President and CFO at IAP Worldwide Services Inc. from 2009 to 2014, a leading provider of facility management, contingency support, power solutions and technical services. Prior to his position at IAP, Mr. Peiffer served as Vice President of Finance and CFO from 2003 to 2009 at Fluid Technologies, an operating segment of ITT Inc., a specialty component producer for the aerospace, transportation, energy and industrial markets. In addition, Mr. Peiffer has held financial leadership roles at Avaya Communications, Lucent Technologies, AlliedSignal, Lockheed Martin, Martin Marietta and General Electric.