0000891092-04-000957 8-K 2 20040226 12 20040226 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 8-K 34 001-13045 04629111 745 ATLANTIC AVENUE BOSTON MA 02111 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111 PIERCE LEAHY CORP 19960807 8-K 1 e17052_8k.txt CURRENT REPORT EX-99.1 3 e17052ex99_1.txt PRESS RELEASE