0000908737-01-500307 8-K 2 20011213 5 7 20011213 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 8-K 34 001-13045 1813011 745 ATLANTIC AVENUE BOSTON MA 02111 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111 PIERCE LEAHY CORP 19960807 8-K 1 imis8k_dec.txt EX-99 3 ex99-1.txt