Supplemental Financial Information Fourth Quarter 2023 investors.ironmountain.com Table of Contents Section I - Q4 Earnings Press Release Q4 2023 Earnings Press Release 3 Section II - Financial Highlights and Organic Growth Financial and Operating Highlights 6 Organic Revenue Growth 7 Section III - Operational Metrics Global Storage Volume 8 Quarterly Operating Performance 9 Full Year Operating Performance 10 Section IV - Balance Sheets, Statements of Operations and Reconciliations Consolidated Balance Shee ...