Iron Mountain Incorporated / Dividends

Declaration date	Ex date	Record date	Payment date	Amount
March 23, 2010	March 24, 2010	March 25, 2010	April 15, 2010	$0.0582
June 23, 2010	June 24, 2010	June 25, 2010	July 15, 2010	$0.0582
September 24, 2010	September 27, 2010	September 28, 2010	October 15, 2010	$0.0582
December 22, 2010	December 24, 2010	December 27, 2010	January 14, 2011	$0.1737
March 23, 2011	March 24, 2011	March 25, 2011	April 15, 2011	$0.1737
June 22, 2011	June 23, 2011	June 24, 2011	July 15, 2011	$0.2311
September 21, 2011	September 22, 2011	September 23, 2011	October 14, 2011	$0.2311
December 21, 2011	December 22, 2011	December 23, 2011	January 13, 2012	$0.2311
March 21, 2012	March 22, 2012	March 23, 2012	April 13, 2012	$0.2311
June 20, 2012	June 21, 2012	June 22, 2012	July 13, 2012	$0.2495
September 21, 2012	September 24, 2012	September 25, 2012	October 15, 2012	$0.2495
October 18, 2012	October 19, 2012	October 22, 2012	November 21, 2012	$3.7616
December 21, 2012	December 25, 2012	December 26, 2012	January 17, 2013	$0.2495
March 21, 2013	March 22, 2013	March 25, 2013	April 15, 2013	$0.2495
June 21, 2013	June 24, 2013	June 25, 2013	July 15, 2013	$0.2495
September 23, 2013	September 24, 2013	September 25, 2013	October 15, 2013	$0.2495
December 24, 2013	December 26, 2013	December 27, 2013	January 15, 2014	$0.2495
March 21, 2014	March 24, 2014	March 25, 2014	April 15, 2014	$0.2495
June 23, 2014	June 24, 2014	June 25, 2014	July 15, 2014	$0.2495
September 23, 2014	September 24, 2014	September 25, 2014	October 15, 2014	$0.439
November 25, 2014	November 27, 2014	November 28, 2014	December 15, 2014	$0.255
December 3, 2014	December 4, 2014	December 5, 2014	December 22, 2014	$0.475
March 4, 2015	March 5, 2015	March 6, 2015	March 20, 2015	$0.475
June 10, 2015	June 11, 2015	June 12, 2015	June 26, 2015	$0.475
September 9, 2015	September 10, 2015	September 11, 2015	September 30, 2015	$0.475
November 27, 2015	November 30, 2015	December 1, 2015	December 15, 2015	$0.485
March 3, 2016	March 4, 2016	March 7, 2016	March 21, 2016	$0.485
June 2, 2016	June 3, 2016	June 6, 2016	June 24, 2016	$0.485
September 8, 2016	September 9, 2016	September 12, 2016	September 30, 2016	$0.485
December 13, 2016	December 14, 2016	December 15, 2016	December 30, 2016	$0.55
March 13, 2017	March 14, 2017	March 15, 2017	April 3, 2017	$0.55
June 13, 2017	June 14, 2017	June 15, 2017	July 3, 2017	$0.55
September 14, 2017	September 14, 2017	September 15, 2017	October 2, 2017	$0.55
December 14, 2017	December 14, 2017	December 15, 2017	January 2, 2018	$0.5875
March 14, 2018	March 14, 2018	March 15, 2018	April 2, 2018	$0.5875
June 14, 2018	June 14, 2018	June 15, 2018	July 2, 2018	$0.5875
September 14, 2018	September 14, 2018	September 17, 2018	October 2, 2018	$0.5875
December 14, 2018	December 14, 2018	December 17, 2018	January 3, 2019	$0.611
March 14, 2019	March 14, 2019	March 15, 2019	April 2, 2019	$0.611
June 14, 2019	June 14, 2019	June 17, 2019	July 2, 2019	$0.611
September 13, 2019	September 13, 2019	September 16, 2019	October 2, 2019	$0.611
December 13, 2019	December 13, 2019	December 16, 2019	January 2, 2020	$0.6185
March 13, 2020	March 13, 2020	March 16, 2020	April 6, 2020	$0.6185
June 12, 2020	June 12, 2020	June 15, 2020	July 2, 2020	$0.6185
September 14, 2020	September 14, 2020	September 15, 2020	October 2, 2020	$0.6185
December 14, 2020	December 14, 2020	December 15, 2020	January 6, 2021	$0.6185
March 12, 2021	March 12, 2021	March 15, 2021	April 6, 2021	$0.6185
June 14, 2021	June 14, 2021	June 15, 2021	July 6, 2021	$0.6185
September 14, 2021	September 14, 2021	September 15, 2021	October 6, 2021	$0.6185
December 14, 2021	December 14, 2021	December 15, 2021	January 6, 2022	$0.6185
March 14, 2022	March 14, 2022	March 15, 2022	April 6, 2022	$0.6185
June 14, 2022	June 14, 2022	June 15, 2022	July 16, 2022	$0.6185
September 14, 2022	September 14, 2022	September 15, 2022	October 4, 2022	$0.6185
December 14, 2022	December 14, 2022	December 15, 2022	January 5, 2023	$0.6185
March 14, 2023	March 14, 2023	March 15, 2023	April 5, 2023	$0.6185
June 14, 2023	June 14, 2023	June 15, 2023	July 6, 2023	$0.6185
September 14, 2023	September 14, 2023	September 15, 2023	October 5, 2023	$0.65
December 14, 2023	December 14, 2023	December 15, 2023	January 4, 2024	$0.65
March 14, 2024	March 14, 2024	March 15, 2024	April 4, 2024	$0.65
June 17, 2024	June 14, 2024	June 17, 2024	July 5, 2024	$0.65
September 16, 2024	September 13, 2024	September 16, 2024	October 3, 2024	$0.715
December 16, 2024	December 13, 2024	December 16, 2024	January 7, 2025	$0.715
March 17, 2025	March 14, 2025	March 17, 2025	April 4, 2025	$0.785
June 16, 2025	June 13, 2025	June 16, 2025	July 3, 2025	$0.785
September 15, 2025	September 12, 2025	September 15, 2025	October 3, 2025	$0.785