Fiscal 2024 Second-Quarter Financial Results

Sustainability = Building a Better World PRIMER Building a Better World is about engaging associates throughout RPM in our ongoing commitment to create a sustainable future using our values of transparency, trust and respect. These values fuel our continued focus on solutions that grow our business, drive innovative product development, prioritize the people important to our success, and honor the planet we call home. OUR PRODUCTS M 195 nCoat TUF-STRAND SF OUR PE OUR PEOPLE TCI RPM GOVERNANCE 168 . OHIO 70. OUR PROCESSES Calend Investor Presentation | Jan. 11, 2024 19

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