Downer awarded new Defence professional services contract

DOWNER AWARDED NEW DEFENCE PROFESSIONAL SERVICES CONTRACT Downer EDI Limited (Downer) today announced it had been awarded an Integrated Work Package (IWP) with the Capability, Acquisition and Sustainment Group (CASG) to support the delivery of critical projects for the Department of Defence (Defence). The IWP, issued under Downer’s existing Defence Major Services Provider (MSP) contract, is for an initial term of two years, with two one-year extension options. The agreement commences on 1 September 2025, and is valued at approximately $220 million over the full four-year term. Under the IWP, Downer will provide a range of professional services to support the Joint Systems Division in CASG with the delivery of critical Defence Joint C4 Systems Branch projects. Since 2018, Downer has supported a number of important capability programs for Defence, including:  Land command, control, communication and computer systems  Joint command and control systems  Navy and Army aviation acquisition and sustainment programs  Anzac class frigate sustainment and capability upgrades  Hobart class destroyer sustainment  Navy Hydrographic ships  Space Systems Branch. In addition, Downer also provides functional support for CASG in procurement, logistics and disposal services. “Downer is Australia’s largest sovereign Defence partner, and has been providing sustainment, infrastructure, and estate services for more than 80 years,” Downer Group Chief Executive Officer, Peter Tompkins, said. “We are proud of the role we play in supporting Defence capability and local industry participation. “In relation to the MSP contract, Downer provides CASG with contracting services; delivering project management, workforce planning and other professional expertise – strengthening sovereign capability and enabling Defence to meet evolving operational demands. “This contract extension reflects our proven credentials and we look forward to continuing our strong relationship with the Department of Defence – providing high calibre, scalable and flexible support to Defence in the achievement of its mission, now and into the future.” Authorised for release by Downer’s Chief Executive Officer, Peter Tompkins About Downer Downer EDI Limited (Downer) is a leading provider of integrated services across Australia and New Zealand, delivering and maintaining essential infrastructure that enable communities to thrive. The demand for our services is shaped by investment in the energy transition, defence capability, government services and infrastructure expansion necessary to support population growth, and local industry revitalisation. The sectors where we operate include roads, rail, ports and airports, power, gas, water, telecommunications, energy networks, health, education, defence, and other government sectors. Downer is one of Australia’s and New Zealand’s largest private sector employers, with more than 26,000 dedicated people, who are united by our high-performance culture, known as ‘The Downer Difference’. For more information visit downergroup.com. For further information please contact: Media: Mitchell Dale, General Manager Corporate Affairs +61 448 362 198 Investors: Mel Buffier, Group Head of Investor Relations +61 411 622 899