FY21 ESG Disclosures July 2022 Unaudited 6 Our FY21 GHG emissions were externally verified by a third party, Cameron-Cole, LLC. on February 24, 2022. Our limited assurance verification statements are published on the Jacobs Investor Relations ESG microsite, including both our FY19-20 and FY21 verification statements. GEN.3 General Information Jacobs Engineering Group Inc. is a publicly held corporation, incorporated in the State of Delaware. Jacobs shares trade on the New York Stock Exchange (Ticker: J). Jacobs is headquartered in Dallas, Texas (TX): 1999 Bryan Street, Suite 1200, Dallas, TX 75201 Exhibit 21 to our FY21 Form10-K contains a list of all of Jacobs’ material subsidiaries. GEN.4 Services and Markets Jacobs provides services in two lines of business (LOB): Critical Mission Solutions (CMS) and People & Places Solutions (P&PS), and holds a majority investment in PA Consulting, which are also the Company’s financial reportable segments. As stated in GEN.1 Jacobs ESG Reporting , our investment in PA Consulting is included within our scope 3 GHG emissions for FY21, but PA Consulting is otherwise excluded from our ESG reporting in this document. Detailed descriptions of the LOBs can be found in our FY21 Form 10-K (pp. 11–15). Jacobs’ operations are located primarily in North America, Europe, Middle East and Asia Pacific, with detailed locations available on Jacobs.com . For FY21, Jacobs had revenues of $14.1 billion and approximately 55,000 people worldwide, including a contingent workforce of approximately 3,000 people. Excluding PA Consulting, Jacobs had FY21 revenues of $13.5 billion. Detailed financial information is included in our FY21 Form 10-K . GEN.5 External Engagement Jacobs is involved in various external organizations and initiatives dedicated to advancing our ESG and sustainability priorities, including but not limited to:  United Nations (U.N.) Global Compact – Participant level  U.N. Race to Zero Campaign Supporter  U.N. Global Compact Chief Financial Officer (CFO) Coalition for the Sustainable Development Goals (SDGs) – Founding Member  World Economic Forum (WEF) Infrastructure and Urban Development Governors Committee  WEF Alliance of Chief Executive Officer (CEO) Climate Leaders  Science Based Targets Initiative (SBTi) – Business Ambition for 1.5°C  SBTi Technical Advisory Group (TAG)  U.S. Environmental Protection Agency (EPA) Green Power Partnership  Business in the Community United Kingdom (U.K.) Net Zero Taskforce  World Environment Center  BSR (Businesses for Social Responsibility)  Environmental Analyst – Sustainable Delivery Group  Task Force on Climate-Related Financial Disclosures (TCFD) Supporter  CDP Supply Chain Member  Pledge to Net Zero Alliance  Catalyst CEO Champions for Change