X0306 4 2020-11-06 0 0000275880 PARSONS CORP PSN 0001601188 Ball George L. PARSONS CORPORATION 5875 TRINITY PARKWAY #300 CENTREVILLE VA 20120 0 1 0 0 Chief Financial Officer Common Stock 2020-11-06 4 P 0 20000 30.25 A 75000 I By Family Trust Common Stock 5000 D Common Stock 58113 I By ESOP The amount reported herein reflects 30,000 shares previously reported as owned by the Reporting Person directly that are in fact owned by the George L. and Coleen M. Ball Family Trust UA 01-18-2005 (the "Trust"). These shares are held by the Trust. Mr. Ball has shared voting, investment and dispositive power over the shares held by the Trust. /s/ Michael R. Kolloway, as attorney-in-fact 2020-11-10