An anonymous director reports

SUNCOR ENERGY RESPONDS TO CYBER SECURITY INCIDENT

Suncor Energy Inc. has experienced a cybersecurity incident. The company is taking measures and working with third party experts to investigate and resolve the situation, and has notified appropriate authorities.

At this time, it is not aware of any evidence that customer, supplier or employee data have been compromised or misused as a result of this situation.

While it works to resolve the incident, some transactions with customers and suppliers may be impacted.

Suncor is Canada's leading integrated energy company. Suncor's operations include oil sands development, production and upgrading; offshore oil and gas; petroleum refining in Canada and the United States; and the company's Petro-Canada retail and wholesale distribution networks (including Canada's Electric Highway, a coast-to-coast network of fast-charging electric vehicle stations). Suncor is developing petroleum resources while advancing the transition to a low-emission future through investment in power, renewable fuels and hydrogen. Suncor also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products and power. Suncor has been recognized for its performance and transparent reporting on the Dow Jones Sustainability Index, FTSE4Good and CDP. Suncor's common shares (symbol: SU) are listed on the Toronto Stock Exchange and the New York Stock Exchange.

We seek Safe Harbor.