On January 7, 2024, Scott M. Murphy, Chief Accounting Officer and Controller of Booz Allen Hamilton Holding Corporation informed the Company of his decision to resign, effective February 16, 2024, to pursue another opportunity. Upon Mr. Murphy?s departure and until such time as a permanent replacement is named, Matthew A. Calderone, Executive Vice President and Chief Financial Officer of the Company, will assume his duties and responsibilities on an interim basis.