Westlake Chemical Corporation

Basic Materials · Specialty Chemicals

62.50$ +0.3% vs. previous close Closing price · As of: Oct 1, 2026

Statements

Income Statement

Westlake Chemical Corporation (WLK) by the numbers: income statement, balance sheet and cash flow, by year or by quarter. In the most recent period (2025), "Revenue" came in at 11,170 million USD. Tick rows to compare them in a chart.

Income Statement Balance Sheet Cash Flow Ratios

Annual Quarterly

Amounts Change % Common size % Per share

Last 12 Full history

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All figures in millions of USD.

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Income Statement WLK
Line item	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025
Revenue	1,058	1,392	1,087	1,073	1,423	1,985	2,441	2,484	3,192	3,692	2,326	3,172	3,620	3,571	3,759	4,415	4,463	5,076	8,041	8,635	8,118	7,504	11,778	15,794	12,548	12,142	11,170
Cost of Revenue	888	1,193	1,117	992	1,301	1,682	1,997	2,088	2,921	3,623	2,131	2,689	3,061	2,834	2,658	3,098	3,278	4,093	6,280	6,648	6,858	6,481	8,283	11,721	10,329	10,185	10,881
Gross Profit	170	199	-30	81	122	303	444	396	271	69	195	483	559	737	1,101	1,317	1,185	983	1,761	1,987	1,260	1,023	3,495	4,073	2,219	1,957	289
Research & Development	–	–	–	–	–	–	–	–	–	–	–	–	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	–	–	–	–	–	–	–
Selling, General & Administrative	–	–	–	59	53	60	77	83	97	99	88	104	112	122	148	184	218	295	399	445	458	435	528	809	865	874	910
Total Operating Expenses	55	73	61	66	56	60	77	83	97	99	88	104	112	122	148	193	225	400	536	579	604	594	695	1,023	1,490	1,082	1,867
Operating Income	115	126	-91	14	66	243	367	313	175	-30	107	378	447	615	953	1,124	960	583	1,225	1,408	656	429	2,800	3,050	729	875	-1,578
Interest Expense	–	–	–	0.0	37	39	24	17	18	34	35	40	51	43	18	37	35	79	159	126	124	142	176	177	165	159	161
Pre-Tax Income	126	91	-117	-14	24	191	345	283	159	-58	79	343	401	585	942	1,084	963	558	1,081	1,334	570	331	2,677	2,946	700	938	-1,597
Income Tax Expense	77	71	-45	-7.1	8.7	70	119	88	44	-28	26	122	142	200	332	399	298	138	-258	300	108	-42	607	649	178	291	-164
Net Income	38	55	-72	-7.1	15	121	227	195	115	-30	53	221	259	386	610	679	646	399	1,304	996	421	330	2,015	2,247	479	602	-1,508
EBITDA	201	205	-30	102	154	326	450	400	281	88	237	512	584	773	1,118	1,330	1,244	1,015	1,841	2,101	1,407	1,246	3,693	4,179	1,962	2,211	-199

Data as of: October 1, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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