0000912057-01-504806 10-K 9 20001231 20010323 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 10-K 34 001-13045 1577134 745 ATLANTIC AVENUE BOSTON MA 02111- 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111- PIERCE LEAHY CORP 19960807 10-K 1 a2041834z10-k.txt 10-K EX-2.1 2 a2041834zex-2_1.txt EXHIBIT 2.1 EX-10.6 3 a2041834zex-10_6.txt EXHIBIT 10.6 EX-10.7 4 a2041834zex-10_7.txt EXHIBIT 10.7 EX-10.9 5 a2041834zex-10_9.txt EXHIBIT 10.9 EX-10.12 6 a2041834zex-10_12.txt EXHIBIT 10.12 EX-21 7 a2041834zex-21.txt EXHIBIT 21 EX-23.1 8 a2041834zex-23_1.txt EXHIBIT 23.1 EX-23.2 9 a2041834zex-23_2.txt EXHIBIT 23.2