Westlake Chemical Partners LP

Listed Company

WLKPCIK 0001604665NYSEAcceleratedIndustrial Organic ChemicalsDelawareFY ends Dec 31

Period

FY 2025

Revenue

$1.17B

Net Income

$48.70M

Total Assets

$1.26B

Equity

—

Shares Out

35.25M

Op. Cash Flow

$280.47M

WLKP$22.08−0.05% · past yearDBEQ Basic

Daily closing prices

Business

Westlake Chemical Partners LP is a limited partnership that owns and operates ethylene production facilities through its controlling interest in OpCo, a subsidiary. The partnership owns three ethylene crackers and a pipeline, converting ethane feedstock into ethylene and co-products including propylene, butadiene, and hydrogen. OpCo generates revenue primarily through a long-term cost-plus ethylene sales agreement with Westlake covering the majority of output and spot sales of ethylene and co-products to third parties.

Summary from 10-K filed 2026-03-04

Financials

Consolidated Statement of Income

Year Ended · In millions, except per-share amounts

Concept	FY 2025 2025-12-31	FY 2024 2024-12-31	FY 2023 2023-12-31	FY 2022 2022-12-31	FY 2021 2021-12-31
Total net sales	1,167	1,136	1,191	1,593	1,215
Cost of sales	819	717	803	1,216	773
Gross profit	348	419	387	377	442
Selling, general and administrative expenses	28	28	30	30	31
Income from operations	320	390	358	348	411
Interest expenseWestlake	−23	−26	−27	−13	—
Other income, net	2	5	4	2	62,000
Income before income taxes	299	370	335	336	402
Provision for income taxes	547,000	835,000	813,000	1	549,000
Net income	299	369	335	335	401
Less: Net income attributable to noncontrolling interest in OpCo	250	307	280	271	319
Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income	49	62	54	64	83
Weighted average limited partner units outstanding (basic and diluted)	35	35	35	35	35

Consolidated Balance Sheet

As of · In millions, except per-share amounts

Concept	FY 2025 2025-12-31	FY 2024 2024-12-31	FY 2023 2023-12-31	FY 2022 2022-12-31	FY 2021 2021-12-31
Cash and cash equivalents	44	58	59	65	17
"Receivable under the Investment Management AgreementWestlake Corporation (""Westlake"")"	23	135	94	65	106
Accounts receivable, netthird parties	9	12	19	20	—
Inventories	3	4	4	5	9
Prepaid expenses and other current assets	406,000	444,000	442,000	305,000	396,000
Total current assets	144	241	226	246	281
Property, plant and equipment, net	886	904	944	990	1,044
Goodwill	6	6	6	6	6
Deferred charges and other assets, net	221	138	141	130	150
Total assets	1,257	1,288	1,317	1,372	1,481
Accrued and other liabilities	22	17	25	18	61
Total current liabilities	51	55	56	67	107
Deferred income taxes	2	2	2	2	2
Other liabilities	2	2	3	0	0
Total liabilities	454	459	461	468	508
Commitments and contingencies (Note 16)	—	—	—	—	—
Total Westlake Chemical Partners LP partners' capital	259	276	280	292	294
"Noncontrolling interest in Westlake Chemical OpCo LP (""OpCo"")"	544	553	576	612	679
Total equity	802	829	856	904	973
Total liabilities and equity	1,257	1,288	1,317	1,372	1,481

Consolidated Statement of Cash Flows

Year Ended · In millions, except per-share amounts

Concept	FY 2025 2025-12-31	FY 2024 2024-12-31	FY 2023 2023-12-31	FY 2022 2022-12-31	FY 2021 2021-12-31
Depreciation and amortization	128	112	110	121	109
Loss from disposition of property, plant and equipment	3	2	5	5	4
Other gains, net	−11,000	−182,000	−27,000	356,000	−276,000
Accounts receivablethird parties	2	7	1	−14	5
Net accounts receivableWestlake	−32	26	27	74	−32
Inventories	1	374,000	283,000	4	−5
Prepaid expenses and other current assets	38,000	−2,000	−137,000	91,000	−4,000
Accounts payablethird parties	−2	−3	2	−17	20
Accrued and other liabilities	7	−6	4	−38	38
Deferred charges and other assets and others, net	−125	−23	−32	−7	−131
Net cash provided by operating activities	280	485	452	464	408
Additions to property, plant and equipment	−79	−49	−47	−54	−81
Investments with Westlake under the Investment Management Agreement	−10	−40	−174	−320	−276
Maturities of investments with Westlake under the Investment Management Agreement	120	0	145	362	293
Net cash provided by (used for) investing activities	31	−89	−76	−12	−64
Proceeds from debt payable to Westlake	174	219	209	32	0
Repayment of debt payable to Westlake	−174	−219	−209	−32	0
Distributions to noncontrolling interest retained in OpCo by Westlake	−259	−330	−316	−338	−278
Distributions to unitholders	−66	−66	−66	−66	−66
Net cash used for financing activities	−326	−396	−382	−404	−344
Net decrease in cash and cash equivalents	−14	−303,000	−6	48	−97,000

Filings

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Frequently asked questions

What is Westlake Chemical Partners LP's CIK number?

Westlake Chemical Partners LP's SEC CIK number is 0001604665 (1604665). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.

Where can I find Westlake Chemical Partners LP's SEC filings?

All of Westlake Chemical Partners LP's EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.

When did Westlake Chemical Partners LP last report earnings?

Westlake Chemical Partners LP (WLKP) most recently filed an earnings 8-K with the SEC on May 5, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001604665-26-000013). This is Westlake Chemical Partners LP's most recent earnings filing of record — not a forecast of its next earnings date.

What is Westlake Chemical Partners LP's most recent earnings 8-K?

Westlake Chemical Partners LP's latest earnings 8-K (Item 2.02) was filed May 5, 2026 under accession 0001604665-26-000013. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.

View Westlake Chemical Partners LP's latest earnings 8-K →
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