Parsons Corporation

Filing receipts

“Interest expense for the three months ended March 31, 2026 and March 31, 2025 is primarily due to debt related to our Convertible Senior Notes, Term Loan, and Revolving Credit Facility.”

“Supplemental Pro Forma Information (Unaudited) Supplemental information of unaudited pro forma operating results assuming the ATC acquisition had been consummated as of the beginning of fiscal year 2025 (in thousands) is as follows: Three Months Ended March 31, 2026 March 31, 2025 Pro forma Revenue $ 1,497,153 $ 1,589,396 Pro forma Net Income including noncontrolling interests 71,799 71,228 The unaudited pro forma supplemental information is based on estimates and assumptions which the Company believes are reasonable and reflects the pro forma impact of additional amortization related to the fair value of acquired 8 intangible assets, the pro forma impact of interest expense on acquired deb...”

“Direct costs of contracts Three Months Ended Variance (U.S. dollars in thousands) March 31, 2026 March 31, 2025 Dollar Percent Direct costs of contracts $ 1,133,756 $ 1,200,377 $ (66,621 ) (5.6 )% Direct cost of contracts decreased $66.6 million for the three months ended March 31, 2026 when compared to the corresponding period last year, primarily due to a decrease of $76.5 million in our Federal Solutions segment offset by an increase of $9.9 million in our Critical Infrastructure segment.”