IRM Investor Presentation

SUSTAINABILITY IS IN OUR DNA: MILESTONES AND GOALS Achieved Significant Milestones 2017: Data Center reached 100% renewable electricity 2019: Surpassed science-based target six years early by reducing emissions by 52% from a 2016 baseline 2020: Exceeded women and BIPOC in leadership goals set in 2016 2021: Launched 20 new public ESG goals 2022: Implemented a global human rights policy ✓ 2022: Completed climate scenario analysis 2022: Increased our reporting coverage of waste and recycling data to cover 90% of global operations ✓ 2022: Expanded gender pay parity to cover all global operations IRON MOUNTAINⓇ GOALS Leadership Awards RE100 key collaborator NEGO Winner By 2025... • • Achieve 25% reduction of GHG emissions from Scope 1 & 2 energy sources from our 2019 baseline All new construction of multi-tenant data center facilities will be certified to BREEAM Green Building Standard By 2040... • Drive Circular Economy innovation by working • Achieve 90% renewable electricity coverage globally (maintain 100% coverage in Data Center) toward zero waste in our operations Achieve Net Zero GHG emissions goal, 10 years ahead of the Paris Climate Accord • Collectively volunteer 100,000 hours in our communities Commitments & Awards GRI SCIENCE BASED TARGETS DRIVING AMBITIOUS CORPORATE CLIMATE ACTION THE GLOBAL COMPACT WE SUPPORT CDP RE 100 By 2030... • All IRM data centers worldwide will be Climate Neutral • 100% of company cars and 50% of company van fleet to be fully electric IRM INVESTOR PRESENTATION 23

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