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CompBrief
Fiscal year 2025

Jean-Marc Gilson — FY2025 total compensation $6,423,651

Jean-Marc Gilson is President, Chief Executive Officer and Director of Westlake Corp (WLK). The company reported total compensation of $6,423,651 for fiscal year 2025.

01

Fiscal year 2025 compensation

Salary$1,288,462
Bonus$0
Stock awards$3,000,205
Option awards$963,799
Non-equity incentive plan$1,089,692
Pension and non-qualified deferred compensation$0
All other compensation$81,493
Total$6,423,651

A dash means the company reported no figure in that column; 0 means it reported zero. Figures are as printed, without adjustment.

Cited to the compensation disclosure Westlake Corp filed April 2, 2026, accession 0001193125-26-138974.

02

History — every fiscal year held

Fiscal yearRoleSalaryBonusStock awardsOption awardsNon-equity incentivePension / NQDCAll otherTotal
FY2025President, Chief Executive Officer and Director$1,288,462$0$3,000,205$963,799$1,089,692$0$81,493$6,423,651
FY2024President, Chief Executive Officer and Director$528,846$0$3,000,000$0$716,114$0$15,015$4,259,975

Totals as disclosed in each year's own compensation disclosure for Westlake Corp.

03

Peer context

Peer-group chief executive median$14,666,623
Difference from that median$-8,242,972
Percentile within the disclosed peer group1st
Peers with a disclosed figure15

Medians and percentiles are computed across the peer group Westlake Corp discloses in its own compensation disclosure.

04

The other named executive officers of Westlake Corp

Named executive officerRoleFY2025 total
Albert ChaoExecutive Chairman$6,663,341
Jean-Marc Gilson this pagePresident, Chief Executive Officer and Director$6,423,651
James ChaoSenior Chairman$5,586,657
Robert BuesingerExecutive Vice President, Performance and Essential Materials Segment Head$4,529,962
M. Steven BenderExecutive Vice President and Chief Financial Officer$3,911,710

The company's named executive officers for fiscal year 2025, and what it reported for each. See the full Westlake Corp compensation brief.

05

The company page

Jean-Marc Gilson's compensation sits inside Westlake Corp's full executive and board picture — the peer group, pay against peers, incentive design and the board itself.

The Westlake Corp (WLK) compensation brief