UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 24, 2017

LYONDELLBASELL INDUSTRIES N.V.

(Exact Name of Registrant as Specified in Charter)

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

LyondellBasell Industries N.V. (the “Company”) held its Annual General Meeting of Shareholders on May 24, 2017. Shareholders voted on and approved each of the matters set forth below.

Proposal 1

The election of eleven directors to serve as members of the Supervisory Board until the annual meeting of shareholders in 2018 was approved based on the following votes:

Proposal 2

The adoption of the Company’s Dutch statutory annual accounts, as prepared in accordance with Dutch law, for the year ended December 31, 2016 was approved based on the following votes:

Proposal 3

The discharge from liability of members of the Management Board was approved based on the following votes:

Proposal 4

The discharge from liability of members of the Supervisory Board was approved based on the following votes:

Proposal 5

The appointment of PricewaterhouseCoopers N.V. as auditors who will audit the Dutch statutory annual accounts was approved based on the following votes:

Proposal 6

The ratification of the Company’s selection of PricewaterhouseCoopers LLP as independent registered public accountants was approved based on the following votes:

Proposal 7

The ratification and approval of the dividends declared by the Management Board, acting with the approval of the Supervisory Board, in respect of the 2016 fiscal year was approved based on the following votes:

Proposal 8

An advisory resolution on executive compensation was approved based on the following votes:

Proposal 9

An advisory resolution on the frequency of shareholder votes on say-on-pay. A majority of shareholders voted for “1 Year”:

Based on these results, the Supervisory Board has determined that the Company will continue to hold an advisory vote on executive compensation every year.

Proposal 10

The approval of the authority of the Management Board, acting with the approval of the Supervisory Board, to repurchase up to 10% of the Company’s shares was approved based on the following votes:

Proposal 11

The re-approval of the Long-Term Incentive Plan for purposes of Section 162(m) was approved based on the following votes:

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.