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Informa 1H23 Results

Strong Operating Leverage 20.5 2022 H1 Adj OPM 4.7 2023 Half-Year Results Performance 1.0 Phasing & Biennials 0.3 Acquisitions 0.7 Currency 27.2 2023 H1 Adj OPM Improving Operating Margin Accelerating Underlying Revenue Growth Improving operating performance Margin enhancing additions of Tarsus and Winsight Margin uplift from biennial events H1 Events weighted to high margin Tier 1 brands ● ● . ● informa 670bps Strong revenue growth and disciplined cost management delivering higher operating margins All numbers are based on Continuing Operations 17

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