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NYSE · INDUSTRIAL ORGANIC CHEMICALS · MID CAP

Westlake Chemical Partners LP WLKP

14 fiscal years on record · USD · FY2025 reported · SEC filings only
$1.2B
▲ 2.7% YoY
$48.7M
▼ 21.9% YoY
$201.7M
▼ 53.8% YoY
In brief

What this company does

Westlake Chemical Partners LP's assets, held through OpCo, comprise three ethylene production facilities that primarily convert ethane into ethylene, with an aggregate annual capacity of approximately 3.7 billion pounds, and a 200-mile ethylene pipeline. OpCo generates revenue primarily by selling ethylene to Westlake and other customers, as well as through the sale of co-products of ethylene production, including propylene, crude butadiene, pyrolysis gasoline and hydrogen. As of December 31, 2025, 155 employees of Westlake were seconded to OpCo. Its business and operations are conducted through OpCo, whose general partner it owns, giving it control over all of OpCo's assets and operations. Its assets and operations are organized into a single reportable segment and are located and conducted entirely in the United States. Westlake Chemical Partners LP is a Delaware limited partnership formed by Westlake in March 2014 to operate, acquire and develop ethylene production facilities and related assets.

Written from the business description in Westlake Chemical Partners LP's annual report to the U.S. Securities and Exchange Commission, filed 4 March 2026. Every sentence was checked against that document before publication.

Growth
USD 1.2B
Revenue, FY2025 · full 14-year series below
Revenue $B Net income $B
FY2025 · Revenue 1.2 · Net income 0.0
0.8B1.6B20122014201620182020202220242025
Compound annual growth
−9.9%
+3.8%
+1.5%
−8.8%
−5.9%
+2.0%
3 yrs
5 yrs
10 yrs
15 yrs

Revenue compounded at +3.8% a year over five years.

Compound annual rates per period — left blank where that exact year isn't on file, the series crosses a loss, or (per-share rows) a split falls inside the window.

Profitability
26 cents
of every revenue dollar became profit
Operating margin Net margin
FY2025 · Operating 27.4% · Net 25.6%
20%40%20122014201620182020202220242025
ROE

Not available in our data for this period.

Gross margin29.8%
Operating margin27.4%
Net margin25.6%
Return on assets23.5%
EBITDAUSD 447.6M

Cash & shareholders
—
returned in FY2025 · dividends + net buybacks
Free cash flow $M
FY2025 · FCF 201.7
200M400M20122014201620182020202220242025
Dividends paid—
Net buybacks—
Share of profit—
Consecutive raises—

Total assetsUSD 1.3B
CashUSD 44.3M
Current ratio2.80×

Not available: we don't have the total debt figure for this period.

The 14-year record
14 fiscal years
Every figure from documents filed with the SEC · USD
row low → row highnegative
Metric 20252024202320222021202020192018201720162015201420132012
Revenue $B1.21.11.21.61.21.01.11.31.21.01.01.7··
Operating income $B0.30.40.40.30.40.40.40.30.40.40.40.7··
EBITDA $B0.40.50.50.50.50.50.50.50.50.50.40.8··
Income tax $B0.00.00.00.00.00.00.00.00.00.00.00.2··
Net income $B0.00.10.10.10.10.10.10.00.00.00.00.00.50.4
Free cash flow $B0.20.40.40.40.30.30.40.40.5−0.00.20.4··
EPS, diluted $··········1.47···
Dividend / sh $··············
Payout %··············
ROE %··············

Slide the table for earlier years · "·" marks a figure not available in our data for that year.

Provenance
Company facts, as filed
How we verify · 0 failures in 51 reconciliationsAUDITED

Reconciled in 14 of 19 fiscal years. 44 checks could not be computed.

EPS recomputationBalance-sheet identityGross profitBalance-sheet liquiditymoeda_consistente0 failures
ActivityIndustrial Organic Chemicals
Listed onNYSE
Incorporated inDelaware
Fiscal year endsDecember 31
Data on record since2012

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