LyondellBasell Industries (LYB) Proxy filing summary

Executive summary

• Proxy materials for the 2026 annual general meeting are available online, with the meeting scheduled for May 22, 2026 at 8 a.m. Central European Summer Time.

• Shareholders of record as of April 24, 2026, are eligible to vote at the meeting.

• Materials include the annual report on Form 10-K for the year ended December 31, 2025, and the proxy statement.

• Hard copies of proxy materials are available upon request at no charge.

Voting matters and shareholder proposals

• Voting instructions are provided for internet, telephone, mail, and in-person options.

• Notice of Internet Availability of Proxy Materials will be mailed to shareholders promptly after the April 24, 2026 record date.

ESG and sustainability initiatives

• The company emphasizes enabling a circular and low carbon economy through advanced technology and investments.

• Efforts are made to minimize environmental impact and maximize cost savings by using electronic delivery of proxy materials.