Investor Presentaiton

(3) TECHNOLOGY, INNOVATION AND DIGITALISATION CENTRAL TECHNICAL DIVISION/TPA AND SID CENTRAL TECHNICAL DIVISION • Central Technical Division – provides technical services spanning the entire construction process, from the acquisition phase to bid processing, from general and specialist planning to construction and start of operations • Focus on building construction and civil engineering ⚫24 locations • Technical Academy – strategically oriented operations: needs assessment, monitoring, generation of data base and KPIs, quality control, training course conceptualisation and support for new positions ΤΡΑ • TPA - organisation focused on optimising technical processes, workplace safety and quality • STRABAG's competence centre for quality management and construction R&D • Task areas: Quality control, building materials technology competence centre for asphalt and concrete technology, earthworks, rock science, geotechnics, environmental chemistry and special construction 130 locations - STRABAG INNOVATION & DIGITALISATION (SID) DE CZ AT Key facts 2020 Locations Germany (Berlin, Hamburg, Cologne, Munich, Münster, Regensburg, Stuttgart) • Austria (Vienna, Villach, Spittal) ⚫ Czech Republic (Prague) • 230 employees (37% women) • Group-wide expertise for innovation & digitalisation • Digital support of operations and services companies Selected projects • Famoos (living moss on building facade in Germany) • Strategic Procurement Solutions (SPS) • Data Science Hub ⚫ Data-based Risk Analysis • Augmented Reality Visualisation • Supply Chain Management in civil engineering 37 Investor Presentation November 2021 STRABAG SOCIETAS EUROPAEA

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