Ms. Tracy Robinson reports

CN'S SUSTAINABILITY LEADERSHIP RECOGNIZED THROUGH KEY ESG RANKINGS

Canadian National Railway Company has been recognized by the 2024 S&P Global Yearbook as one of the top sustainability performers in the transportation industry. CN was also recognized for its leadership on climate change by global environmental non-profit CDP. CN's achievements reflect the company's steadfast dedication to environmental stewardship, social responsibility and good governance underpinned by consistent and comprehensive reporting.

"Our commitment to delivering responsibly leads the way forward for us as an organization. We are honoured to be recognized for our leadership as we work to build a more sustainable future. Our achievements and recognitions are not possible without the dedicated team of railroaders who embed safety and sustainability in every decision," said Tracy Robinson, president and chief executive officer at CN.

CN releases ninth delivering responsibly report

In late 2023, CN published its latest biennial sustainability report which provided a comprehensive update on CN's sustainability strategy and performance. In the report, CN detailed its approach to sustainability in the areas of environment, safety, people, community and governance. CN's latest report, available on-line, was prepared in accordance with leading sustainability reporting frameworks, including the Sustainability Accounting Standards Board and the Global Reporting Initiative.

CN's ESG ratings

A list of CN's key ESG ratings is highlighted herein.

About Canadian National Railway Company

CN is a world-class transportation leader and trade enabler. Essential to the economy, to the customers and to the communities it serves, CN safely transports more than 300 million tons of natural resources, manufactured products and finished goods throughout North America every year. CN's network connects Canada's Eastern and Western coasts with the U.S. South through an 18,800-mile rail network. CN and its affiliates have been contributing to community prosperity and sustainable trade since 1919. CN is committed to programs supporting social responsibility and environmental stewardship.

We seek Safe Harbor.