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ENERGY FORWARD BUYING POLICY WE HAVE MANAGED TO KEEP ENERGY COSTS WELL UNDER CONTROL AND REMAINED A RELIABLE & PREDICTABLE PARTNER TO OUR CUSTOMERS wienerberger WIENERBERGER ENERGY STRATEGY Our policy is to buy gas and electricity volumes forward based on our production planning on a continuous basis to i. ensure volumes, ii. protect against price increases, and iii. ensure predictable pricing to our customers. ENERGY OUTLOOK FOR THE COMING YEARS: Energy volumes ensured for 2022-2024 (as of 31 March 2022) Gas Electricity 90% 92% 81% 69% 2022 2023 2024 2022 64% 50% 2023 2024 Note: In Bulgaria, Romania and Serbia energy buying forward is not possible due to government regulations. 23

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