Investor Presentaiton

(4) FLEXIBLE BUSINESS MODEL, STRONG RISK MANAGEMENT OWN DENSE CONSTRUCTION MATERIALS NETWORK - STRABAG FACILITIES1 OWN COVERAGE OF MATERIAL NEEDS (%) Asphalt mixing plants 2732 100 Concrete mixing plants Quarries and gravel pits • Cement mixing plants 83% 83% 2020 2019 1392 1432 53 Production of 3.7 million m³ of concrete, 16.3 million tons of asphalt and 1.2 million tons of cement in 2020 • Sales revenue of € 640 million in 2020 34% 30% 27% 25% 15% 15% 0 Asphalt Concrete Cement Stone/Gravel HIGHLIGHTS • Hedge against price fluctuations, securing supply • Existing quarries as effective entry barriers - lack of permits for new sites • 30% in joint venture (at equity-consolidated since Q3/2011) with LafargeHolcim secures access to cement in Central and Eastern Europe ⚫ Further optimisation of raw materials network and increased self-sufficiency except in asphalt 1 December 2020 2 Includes active facilities from joint ventures and associates 3 Thereof four in JV with LafargeHolcim (STRABAG share 30%) and one in another investment (STRABAG share 25.6%) 41 Investor Presentation November 2021 STRABAG SOCIETAS EUROPAEA

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