Combination Creates a Government Services Prime

Combination Strengthens Public Company Profile Jacobs CMS/C&I amentum > Combined(1) 12 2023 Revenue ~$5.5B ~$8B ~$13B A leading pure-play government services company ~8.3% Including RR Expected Net Cost Synergies ~$50B ~3.7x % 2023 Adj. EBITDA Margin 7.7% 7.9% Backlog / ~$23B ~$27B 2023 Rev. Coverage ~4.2x ~3.4x Top 10 Contract ~45% ~30% ~25% Concentration % Employees Cleared ✓ >50% >50% >50% Best-in-class earnings visibility Enhanced customer and contract vehicle access enables accelerated growth Very limited contract overlap Largest contract <5% of Adj. EBITDA Highly specialized, majority cleared workforce % of Revenue With Prime Role ~82% ~88% >85% 1 Not to be considered indicative of future performance post-separation. OJacobs 2023

View entire presentation