Iron Mountain Ratios and Metrics

Market cap in millions GBP. Fiscal year is January - December.

Millions GBP. Fiscal year is Jan - Dec.

Fiscal Year	Current	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020
Period Ending	Feb '26 Feb 12, 2026	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020
Market Capitalization	21,712	24,639	16,042	12,028	11,190	6,222
Market Cap Growth	-6.85%	53.59%	33.37%	7.49%	79.84%	-9.95%
Enterprise Value	35,551	37,574	27,351	22,758	19,651	14,280
Last Close Price	79.96	80.20	51.73	37.00	33.39	17.27
Price/FFO Ratio	38.50	41.55	29.39	-	-	-
Price/AFFO Ratio	-	17.66	12.56	-	-	-
PE Ratio	183.26	171.22	110.91	26.02	33.66	24.79
PS Ratio	4.40	5.02	3.73	2.84	3.37	2.05
PB Ratio	-48.02	-136.18	52.43	19.80	16.30	7.10
P/OCF Ratio	22.95	25.78	18.35	15.62	19.97	8.60
EV/Sales Ratio	-	7.65	6.36	5.37	5.92	4.70
EV/EBITDA Ratio	-	23.03	19.03	15.91	17.25	13.71
EV/EBIT Ratio	-	38.78	31.38	26.21	29.52	24.43
Debt / Equity Ratio	-30.94	-72.29	37.95	18.15	12.59	9.21
Debt / EBITDA Ratio	6.41	6.01	5.94	5.78	5.61	5.73
Net Debt / Equity Ratio	-30.61	-71.61	37.38	17.96	12.32	9.04
Net Debt / EBITDA Ratio	8.33	7.94	7.96	7.63	7.42	7.60
Asset Turnover	0.34	0.34	0.33	0.33	0.31	0.30
Quick Ratio	0.55	0.47	0.66	0.69	0.60	0.53
Current Ratio	0.66	0.55	0.78	0.81	0.71	0.64
Return on Equity (ROE)	-	225.06%	33.39%	67.67%	42.59%	25.15%
Return on Assets (ROA)	4.23%	4.19%	4.13%	4.28%	3.94%	3.57%
Return on Invested Capital (ROIC)	5.27%	5.82%	6.27%	6.99%	5.22%	6.03%
Earnings Yield	0.55%	0.58%	0.90%	3.84%	2.97%	4.03%
Dividend Yield	2.40%	2.72%	3.80%	5.55%	5.47%	10.49%
Payout Ratio	563.40%	438.25%	400.39%	130.06%	159.55%	209.02%
Buyback Yield / Dilution	-0.53%	-0.77%	-0.52%	-0.51%	-0.81%	-0.33%
Total Shareholder Return	1.86%	1.95%	3.28%	5.04%	4.66%	10.16%

Updated Sep 30, 2025. Source: S&P Global Market Intelligence. Real Estate template. Financial Sources.