Suncor Energy Inc.

Suncor Energy is Canada’s leading integrated energy company. Suncor’s operations span the full energy value chain, including oil sands mining and in situ operations, upgrading, offshore production, petroleum refining in Canada and the U.S., marketing and trading, and nationwide Petro-Canada retail and wholesale networks delivering reliable energy that fuels economic growth and meets the needs of customers across Canada and globally. With an unwavering focus on safety, operational excellence, and profitability, Suncor is committed to delivering industry-leading performance and long-term shareholder value. Suncor’s common shares (symbol: SU) are listed on the TSX and NYSE. Three- Year History Over the last three years, the following events have influenced the general development of Suncor’s business. 2023 Share repurchase program. In 2023, Suncor repurchased approximately 52.0 million of its common shares, or the equivalent of 3.9% of its issued and outstanding common shares as at December 31, 2022, at an average price of $42.96 per common share. Sale of wind and solar assets. In the first quarter of 2023, Suncor completed the sale of its wind and solar assets for gross proceeds of $730 million, before closing adjustments and other closing costs. Acquired additional interest in Fort Hills. On February 2, 2023, Suncor completed the acquisition of an additional 14.65% working interest in Fort Hills for $712 million from Teck Resources Limited, bringing the company’s working interest to 68.76%. The effective date of the transaction was November 1, 2022.