Investor Presentaiton

Transformation to less volatile and higher value services and solutions PA Consulting 7% PA Consulting Government Services 18% Critical Infrastructure 28% Adj EBITDA Margins 1 FY14 $12.7B 7.8% FY14 2015-2016 Energy, Chemicals and Resources 54% Assess and Focus ■ New management team joins Jacobs ■ Developed strategy aligned to secular growth opportunities 4 1 Based on Revenue per applicable 10K filing Critical Infrastructure 59% 1 FY23 $16.3B 10.8% FY23 2017-2023 De-risk and Shift to Higher Value Services CMS/C&I 34% At least 300 bps of margin expansion expected post CMS separation ■ Acquired CH2M to accelerate growth in high value infrastructure ■ Divested energy, chemical and resources business ■ Acquired majority ownership in PA Consulting 2 Post-Separation Adj. EBITDA Margin, dependent on successful completion of CMS separation FY25E Standalone 13.8%+² Critical Infrastructure Today & future FY25E Challenging Today. Reinventing Tomorrow. ■ Foundation of efficient, competitive businesses ■ Global, premier high-end solutions provider ■ Positioning two leading businesses for success • Margin improvement runway for Standalone Jacobs ■ Standalone Jacobs over-capitalized after separation proceeds

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