| Significant subsidiary | Incorporated under the laws of | ||||
| Canadian Pacific Railway Company | Canada | ||||
| 6061338 Canada Inc. | Canada | ||||
| 3939804 Canada Inc. | Canada | ||||
| Cygnus Canadian Holding Company Limited | Canada | ||||
| CP (US) Holding Corporation | Delaware | ||||
| Cygnus Holding Corporation | Delaware | ||||
| Soo Line Corporation | Minnesota | ||||
| Soo Line Railroad Company | Minnesota | ||||
| CPRL S.à.r.l. | Luxembourg | ||||
| CPFS AG | Switzerland | ||||