HF Sinclair (DINO) investor relations material

Opening remarks and agenda

• The meeting was called to order at 8:32 A.M. Central Daylight Time, with formal business conducted first and Q&A scheduled for up to 10 minutes.

• The agenda included election of directors, advisory vote on executive compensation, and ratification of the accounting firm.

• Notice of the meeting was given on March 31, 2026, in accordance with bylaws and legal requirements.

Board and executive committee updates

• Ten nominees for the board of directors were presented for election, each to serve until the next annual meeting or until a successor is qualified.

• The Chairperson and CEO, as well as the Acting CFO and other key executives, were introduced during the meeting.

Corporate governance

• Over 91% of outstanding shares were represented, constituting a quorum under the bylaws.

• The Judge of Election, Chandi Jackson, was appointed to tally votes, and her oath was filed with meeting records.

• The list of stockholders as of the record date was made available for examination by validated stockholders.