# EDGAR Filing Document

**Accession Number:** 0001489393
**File Stem:** 0001308179-26-000252
**Filing Date:** 2026-4
**Character Count:** 7771
**Document Hash:** 02b0961c824f4dbfcee156792714bf8e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001308179-26-000252.hdr.sgml**: 20260410

**ACCESSION NUMBER**: 0001308179-26-000252

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 8

**FILED AS OF DATE**: 20260410

**DATE AS OF CHANGE**: 20260410

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LyondellBasell Industries N.V.
- **CENTRAL INDEX KEY:** 0001489393
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL ORGANIC CHEMICALS [2860]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 980646235
- **STATE OF INCORPORATION:** P7
- **FISCAL YEAR END:** 1231
- **LEGAL ENTITY IDENTIFIER:** BN6WCCZ8OVP3ITUUVN49

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34726
- **FILM NUMBER:** 26853311

**BUSINESS ADDRESS:**
- **STREET 1:** 2800 POST OAK BLVD
- **STREET 2:** SUITE 5100
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056
- **BUSINESS PHONE:** 713-309-7200

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 4TH FLOOR
- **STREET 2:** ONE VINE STREET
- **CITY:** LONDON
- **PROVINCE COUNTRY:** X0
- **ZIP:** W1J 0AH

UNITED STATES<br>SECURITIES AND EXCHANGE COMMISSION<br>Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the <br>Securities Exchange Act of 1934 (Amendment No.)

☑ Filed by the Registrant ☐ Filed by a party other than the Registrant

---

| | |
|:---|:---|
| CHECK THE APPROPRIATE BOX: | CHECK THE APPROPRIATE BOX: |
| ☐ | Preliminary Proxy Statement |
| ☐ | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☐ | Definitive Proxy Statement |
| ☑ | Definitive Additional Materials |
| ☐ | Soliciting Material under §240.14a-12 |

---

![](logo2.jpg)

**LyondellBasell Industries N.V.**

(Name of Registrant as Specified In Its Charter)<br>(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

---

| | |
|:---|:---|
| PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): | PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): |
| ☑ | No fee required |
| ☐ | Fee paid previously with preliminary materials |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

---

------

![](lyb014791-defa14ax1x1.jpg)

---

| | |
|:---|:---|
|  | Your **Vote** Counts! |
|  | **LYONDELLBASELL INDUSTRIES N.V.** |
| ![](logo2.jpg) <br> LYONDELLBASELL INDUSTRIES N.V.<br> 2800 POST OAK BLVD., SUITE 5100<br> HOUSTON, TEXAS 77056 | 2026 Annual Meeting<br> Vote by May 20, 2026<br> 11:59 PM ET |
| ![](logo2.jpg) <br> LYONDELLBASELL INDUSTRIES N.V.<br> 2800 POST OAK BLVD., SUITE 5100<br> HOUSTON, TEXAS 77056 |  |
| ![](logo2.jpg) <br> LYONDELLBASELL INDUSTRIES N.V.<br> 2800 POST OAK BLVD., SUITE 5100<br> HOUSTON, TEXAS 77056 |  |
| ![](logo2.jpg) <br> LYONDELLBASELL INDUSTRIES N.V.<br> 2800 POST OAK BLVD., SUITE 5100<br> HOUSTON, TEXAS 77056 |  |
| V91429-P44860<br>|  |

---

You invested in LYONDELLBASELL INDUSTRIES N.V. and it's time to vote!

You have the right to vote on proposals being presented at the Annual Meeting. **This is an important notice regarding the availability of proxy materials for the shareholder meeting to be held on May 22, 2026.**

Get informed before you vote

View the Notice and Proxy Statement/Annual Report including 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 8, 2026. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

---

| | | |
|:---|:---|:---|
| ![](lyb014791-defa14ax1x2.jpg) | For complete information and to vote, visit **www.ProxyVote.com** | For complete information and to vote, visit **www.ProxyVote.com** |
| ![](lyb014791-defa14ax1x2.jpg) | Control # | ![](lyb014791-defa14ax1x3.jpg) |

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![](lyb014791-defa14ax1x4.jpg)<br> **Smartphone users**<br>Point your camera here and<br> vote without entering a<br> control number<br>| &nbsp;&nbsp; ![](lyb014791-defa14ax1x5.jpg)<br> **Vote in Person at the Meeting\***<br>May 22, 2026<br> 8:00 a.m., local time<br>Hilton Hotel<br> Schiphol Airport, Schiphol Blvd. 701<br> 1118 BN Schiphol<br> The Netherlands |

---

\* Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

------

**Vote at www.ProxyVote.com**

 **THIS IS NOT A VOTABLE BALLOT**<br>This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters.<br>

---

| | | |
|:---|:---|:---|
| **Voting Items** | **Voting Items** | **Board<br> Recommends** |
| 1. | &nbsp;&nbsp;Election of Directors |  |
| 1a. | &nbsp;&nbsp;Jacques Aigrain | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1b. | &nbsp;&nbsp;Lincoln Benet | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1c. | &nbsp;&nbsp;Robin Buchanan | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1d. | &nbsp;&nbsp;Anthony Chase | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1e. | &nbsp;&nbsp;Robert Dudley | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1f. | &nbsp;&nbsp;Claire Farley | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1g. | &nbsp;&nbsp;Rita Griffin | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1h. | &nbsp;&nbsp;Michael Hanley | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1i. | &nbsp;&nbsp;Virginia Kamsky | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1j. | &nbsp;&nbsp;Bridget Karlin | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1k. | &nbsp;&nbsp;Albert Manifold | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 1l. | &nbsp;&nbsp;Peter Vanacker | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 2. | &nbsp;&nbsp;Discharge of Directors from Liability | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 3. | &nbsp;&nbsp;Adoption of 2025 Dutch Statutory Annual Accounts | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 4. | &nbsp;&nbsp;Appointment of PricewaterhouseCoopers Accountants N.V. as the Auditor of our 2026 Dutch Statutory Annual Accounts | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 5. | &nbsp;&nbsp;Ratification of PricewaterhouseCoopers LLP as our Independent Registered Public Accounting Firm | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 6. | &nbsp;&nbsp;Advisory Vote Approving Executive Compensation (Say-on-Pay) | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 7. | &nbsp;&nbsp;Authorization to Conduct Share Repurchases | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 8. | &nbsp;&nbsp;Cancellation of Shares | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| 9. | &nbsp;&nbsp;Amendment and Restatement of Long Term Incentive Plan | ![](lyb014791-defa14ax2x1b.jpg) **For** |
| **NOTE:** Such other business as may properly come before the meeting or any adjournment thereof. | **NOTE:** Such other business as may properly come before the meeting or any adjournment thereof. |  |
| Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". | Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". | Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". |
| V91430-P44860 | V91430-P44860 | V91430-P44860 |

---

------