On July 29, 2021, Canadian Pacific Railway Limited filed a preliminary proxy statement soliciting proxies and urged the shareholders of Kansas City Southern to vote against the proposal to adopt the agreement and plan of merger, dated as of May 21, 2021, by and among Canadian National Railway Company and the Company and to vote for the proposal to adjourn the special meeting to solicit additional proxies if there are not sufficient votes at the time of the special meeting to approve the merger proposal or to ensure that any supplement or amendment to the proxy statement/prospectus filed by the Company and Canadian corporation with the United States Securities and Exchange Commission on July 7, 2021 is timely provided to the Company stockholders.