Lyondellbasell Industries N.V.

LYB·NYSE·$69.01Share Price as of 11/2·$22BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/31/26 10-QQ1 ended 03/31/2605/01/26 10-KFY 202502/20/26 10-QQ3 ended 09/30/2510/31/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report07/31/26 8-KCurrent report05/29/26 8-KCurrent report05/22/26 8-KCurrent report05/01/26

Prospectuses and Registrations

S-8Registration of securities for employees05/26/26 424B5Prospectus supplement11/12/25 424B3Prospectus11/10/25 FWPFree writing prospectus11/10/25 424B5Prospectus supplement05/07/25

Proxies

DEF 14ADefinitive proxy04/10/26 DEFA14AAdditional proxy materials04/10/26 DEFA14AAdditional proxy materials04/10/26 DEF 14ADefinitive proxy04/11/25 DEFA14AAdditional proxy materials04/11/25

Ownership

Form 4Insider transaction10/16/26 Form 4Insider transaction10/02/26 Form 4Insider transaction10/02/26 SC 13G/ABeneficial ownership (amended)08/13/26 Form 4Insider transaction07/02/26

Other

SDConflict Minerals disclosure05/28/26 ARSAnnual report to shareholders04/10/26 SDConflict Minerals disclosure05/21/25 ARSAnnual report to shareholders04/11/25 SDConflict Minerals disclosure05/16/24