Quarterly
Annual
| Unit: USD | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
revenue | ||||||||||||||||||||||||||||||||||||||||||||||
net sales—westlake | 276,539,000 | 269,076,000 | 190,781,000 | 260,266,000 | 215,799,000 | 239,527,000 | 235,209,000 | 255,306,000 | 289,303,000 | 224,575,000 | 257,471,000 | 322,868,000 | 364,273,000 | 365,112,000 | 290,657,000 | 317,940,000 | 247,887,000 | 240,956,000 | 219,803,000 | 228,223,000 | 217,763,000 | 227,431,000 | 214,828,000 | 233,860,000 | 216,678,000 | 230,047,000 | 257,040,000 | 272,872,000 | 313,381,000 | 253,673,000 | 235,031,000 | 261,113,000 | 258,049,000 | 240,989,000 | 212,930,000 | 246,860,000 | 193,964,000 | 181,635,000 | 231,260,000 | 213,480,000 | 207,856,000 | 204,669,000 | 208,913,000 | 203,528,000 | 289,601,000 | |
net co-products, ethylene and other sales—third parties | 32,359,000 | 28,043,000 | 46,848,000 | 29,794,000 | 61,196,000 | 44,641,000 | 49,464,000 | 41,967,000 | 32,361,000 | 39,602,000 | 50,206,000 | 43,971,000 | 50,850,000 | |||||||||||||||||||||||||||||||||
total net sales | 308,898,000 | 297,119,000 | 237,629,000 | 290,060,000 | 276,995,000 | 284,168,000 | 284,673,000 | 297,273,000 | 321,664,000 | 264,177,000 | 307,677,000 | 366,839,000 | 415,123,000 | 448,785,000 | 362,400,000 | 330,456,000 | 293,966,000 | 322,229,000 | 268,207,000 | 245,652,000 | 231,969,000 | 238,500,000 | 250,549,000 | 272,798,000 | 249,925,000 | 270,062,000 | 299,086,000 | 335,725,000 | 363,650,000 | 301,975,000 | 284,272,000 | 308,645,000 | 296,775,000 | 290,113,000 | 277,448,000 | 293,937,000 | 229,354,000 | 210,841,000 | 252,604,000 | 248,506,000 | 248,619,000 | 251,705,000 | 258,391,000 | 273,543,000 | 392,008,000 | 524,135,000 |
cost of sales | 209,475,000 | 199,587,000 | 183,548,000 | 191,476,000 | 160,052,000 | 182,936,000 | 182,493,000 | 196,590,000 | 228,683,000 | 176,455,000 | 201,604,000 | 268,709,000 | 324,629,000 | 351,483,000 | 270,961,000 | 183,406,000 | 218,038,000 | 191,200,000 | 180,508,000 | 160,738,000 | 131,578,000 | 148,470,000 | 147,001,000 | 169,201,000 | 156,706,000 | 178,104,000 | 208,432,000 | 242,096,000 | 269,743,000 | 204,857,000 | 191,767,000 | 197,913,000 | 201,372,000 | 190,542,000 | 179,487,000 | 188,202,000 | 142,553,000 | 122,460,000 | 142,190,000 | 150,524,000 | 154,474,000 | 157,177,000 | 162,164,000 | 171,584,000 | 227,015,000 | 277,589,000 |
gross profit | 99,423,000 | 97,532,000 | 54,081,000 | 98,584,000 | 116,943,000 | 101,232,000 | 102,180,000 | 100,683,000 | 92,981,000 | 87,722,000 | 106,073,000 | 98,130,000 | 90,494,000 | 97,302,000 | 91,439,000 | 147,050,000 | 75,928,000 | 131,029,000 | 87,699,000 | 84,914,000 | 100,391,000 | 90,030,000 | 103,548,000 | 103,597,000 | 93,219,000 | 91,958,000 | 90,654,000 | 93,629,000 | 93,907,000 | 97,118,000 | 92,505,000 | 110,732,000 | 95,403,000 | 99,571,000 | 97,961,000 | 105,735,000 | 86,801,000 | 88,381,000 | 110,414,000 | 97,982,000 | 94,145,000 | 94,528,000 | 96,227,000 | 101,959,000 | 164,993,000 | 246,546,000 |
yoy | -14.98% | -3.65% | -47.07% | -2.08% | 25.77% | 15.40% | -3.67% | 2.60% | 2.75% | -9.85% | 16.00% | -33.27% | 19.18% | -25.74% | 4.26% | 73.18% | -24.37% | 45.54% | -15.31% | -18.03% | 7.69% | -2.10% | 14.22% | 10.65% | -0.73% | -5.31% | -2.00% | -15.45% | -1.57% | -2.46% | -5.57% | 4.73% | 9.91% | 12.66% | -11.28% | 7.91% | -7.80% | -6.50% | 14.74% | -3.90% | -42.94% | -61.66% | ||||
qoq | 1.94% | 80.34% | -45.14% | -15.70% | 15.52% | -0.93% | 1.49% | 8.28% | 6.00% | -17.30% | 8.09% | 8.44% | -7.00% | 6.41% | -37.82% | 93.67% | -42.05% | 49.41% | 3.28% | -15.42% | 11.51% | -13.05% | -0.05% | 11.13% | 1.37% | 1.44% | -3.18% | -0.30% | -3.31% | 4.99% | -16.46% | 16.07% | -4.19% | 1.64% | -7.35% | 21.81% | -1.79% | -19.95% | 12.69% | 4.08% | -0.41% | -1.77% | -5.62% | -38.20% | -33.08% | |
gross margin % | ||||||||||||||||||||||||||||||||||||||||||||||
selling, general and administrative expenses | 7,444,000 | 6,300,000 | 7,474,000 | 6,559,000 | 7,254,000 | 7,605,000 | 7,077,000 | 7,867,000 | 6,741,000 | 7,229,000 | 7,914,000 | 2,854,000 | 8,678,000 | 9,919,000 | 8,227,000 | 6,284,000 | 7,792,000 | 8,269,000 | 8,673,000 | 7,305,000 | 6,255,000 | 6,139,000 | 6,196,000 | 7,844,000 | 6,822,000 | 7,639,000 | 6,973,000 | 7,173,000 | 5,909,000 | 7,375,000 | 7,133,000 | 7,741,000 | 6,805,000 | 6,886,000 | 7,828,000 | 7,154,000 | 5,788,000 | 5,848,000 | 6,097,000 | 5,724,000 | 5,831,000 | 5,995,000 | 6,000,000 | 6,453,000 | 8,860,000 | 6,165,000 |
income from operations | 91,979,000 | 91,232,000 | 46,607,000 | 92,025,000 | 109,689,000 | 93,627,000 | 95,103,000 | 92,816,000 | 86,240,000 | 80,493,000 | 98,159,000 | 95,276,000 | 81,816,000 | 87,383,000 | 83,212,000 | 140,766,000 | 68,136,000 | 122,760,000 | 79,026,000 | 77,609,000 | 94,136,000 | 83,891,000 | 97,352,000 | 95,753,000 | 86,397,000 | 84,319,000 | 83,681,000 | 86,456,000 | 87,998,000 | 89,743,000 | 85,372,000 | 102,991,000 | 88,598,000 | 92,685,000 | 90,133,000 | 98,581,000 | 81,013,000 | 82,533,000 | 104,317,000 | 92,258,000 | 88,314,000 | 88,533,000 | 90,227,000 | 95,506,000 | 156,133,000 | 240,381,000 |
yoy | -16.15% | -2.56% | -50.99% | -0.85% | 27.19% | 16.32% | -3.11% | -2.58% | 5.41% | -7.88% | 17.96% | -32.32% | 20.08% | -28.82% | 5.30% | 81.38% | -27.62% | 46.33% | -18.82% | -18.95% | 8.96% | -0.51% | 16.34% | 10.75% | -1.82% | -6.04% | -1.98% | -16.05% | -0.68% | -3.17% | -5.28% | 4.47% | 9.36% | 12.30% | -13.60% | 6.85% | -8.27% | -6.78% | 15.62% | -3.40% | -43.44% | -63.17% | ||||
qoq | 0.82% | 95.75% | -49.35% | -16.10% | 17.16% | -1.55% | 2.46% | 7.63% | 7.14% | -18.00% | 3.03% | 16.45% | -6.37% | 5.01% | -40.89% | 106.60% | -44.50% | 55.34% | 1.83% | -17.56% | 12.21% | -13.83% | 1.67% | 10.83% | 2.46% | 0.76% | -3.21% | -1.75% | -1.94% | 5.12% | -17.11% | 16.25% | -4.41% | 2.83% | -8.57% | 21.69% | -1.84% | -20.88% | 13.07% | 4.47% | -0.25% | -1.88% | -5.53% | -38.83% | -35.05% | |
operating margin % | ||||||||||||||||||||||||||||||||||||||||||||||
other income | 224,000 | 675,000 | 1,346,000 | 1,335,000 | 1,325,000 | 1,257,000 | 1,334,000 | 1,079,000 | 1,272,000 | 1,061,000 | 820,000 | 883,000 | 618,000 | 90,000 | -25,000 | 10,000 | 24,000 | 21,000 | 7,000 | 8,000 | 17,000 | 123,000 | 585,000 | 563,000 | 565,000 | 1,153,000 | 815,000 | 715,000 | 668,000 | 583,000 | 491,000 | -52,000 | 162,000 | 24,000 | 1,658,000 | 371,000 | -13,000 | 159,000 | 84,000 | 195,000 | -73,000 | 33,000 | 5,000 | 16,000 | 486,000 | 1,397,000 |
interest expense—westlake | -5,947,000 | -5,907,000 | -5,537,000 | -5,771,000 | -6,698,000 | -6,651,000 | -6,581,000 | -6,632,000 | -6,437,000 | -6,117,000 | -7,315,000 | -4,704,000 | -3,645,000 | -2,859,000 | -2,199,000 | -2,166,000 | -2,190,000 | -2,224,000 | -2,236,000 | -2,337,000 | -2,320,000 | -3,431,000 | -3,950,000 | -4,187,000 | -4,411,000 | -5,125,000 | -5,900,000 | -5,381,000 | -5,639,000 | -5,547,000 | -4,866,000 | -4,269,000 | -6,190,000 | -5,942,000 | -5,460,000 | -5,226,000 | -4,947,000 | -1,203,000 | -1,231,000 | -1,173,000 | -1,054,000 | -1,364,000 | -1,376,000 | -666,000 | -2,137,000 | -4,105,000 |
income before income taxes | 86,256,000 | 86,000,000 | 42,416,000 | 87,589,000 | 104,316,000 | 88,233,000 | 89,856,000 | 87,263,000 | 81,075,000 | 75,437,000 | 91,664,000 | 91,455,000 | 78,789,000 | 84,614,000 | 80,988,000 | 138,610,000 | 65,970,000 | 120,557,000 | 76,797,000 | 75,280,000 | 91,833,000 | 80,583,000 | 93,987,000 | 92,129,000 | 82,551,000 | 80,347,000 | 78,596,000 | 81,790,000 | 83,027,000 | 84,779,000 | 80,997,000 | 98,670,000 | 82,570,000 | 86,767,000 | 86,331,000 | 93,726,000 | 76,053,000 | 81,489,000 | 103,170,000 | 91,280,000 | 87,187,000 | 87,202,000 | 88,856,000 | 94,856,000 | 154,482,000 | 237,673,000 |
benefit from income taxes | 42,000 | 205,000 | 107,000 | 202,000 | 216,000 | 207,000 | 210,000 | 206,000 | 222,000 | 173,000 | 212,000 | 303,000 | 283,000 | 355,000 | 325,000 | 297,000 | 303,000 | 145,000 | 194,000 | 297,000 | 399,000 | 105,000 | 141,000 | 467,000 | 927,000 | 36,309,000 | 83,829,000 | |||||||||||||||||||
net income | 86,214,000 | 85,795,000 | 42,309,000 | 87,387,000 | 104,100,000 | 88,026,000 | 89,646,000 | 87,057,000 | 80,853,000 | 75,264,000 | 91,452,000 | 91,260,000 | 78,305,000 | 84,439,000 | 80,825,000 | 138,394,000 | 66,075,000 | 120,294,000 | 76,622,000 | 75,124,000 | 91,848,000 | 80,377,000 | 93,770,000 | 91,910,000 | 82,479,000 | 80,110,000 | 78,396,000 | 81,582,000 | 83,799,000 | 84,476,000 | 80,714,000 | 98,315,000 | 82,245,000 | 86,470,000 | 86,028,000 | 93,581,000 | 75,859,000 | 81,192,000 | 102,771,000 | 91,175,000 | 87,046,000 | 87,243,000 | 88,389,000 | 93,929,000 | 118,173,000 | 153,844,000 |
yoy | -17.18% | -2.53% | -52.80% | 0.38% | 28.75% | 16.96% | -1.97% | -4.61% | 3.25% | -10.87% | 13.15% | -34.06% | 18.51% | -29.81% | 5.49% | 84.22% | -28.06% | 49.66% | -18.29% | -18.26% | 11.36% | 0.33% | 19.61% | 12.66% | -1.58% | -5.17% | -2.87% | -17.02% | 1.89% | -2.31% | -6.18% | 5.06% | 8.42% | 6.50% | -16.29% | 2.64% | -12.85% | -6.94% | 16.27% | -2.93% | -26.34% | -43.29% | ||||
qoq | 0.49% | 102.78% | -51.58% | -16.05% | 18.26% | -1.81% | 2.97% | 7.67% | 7.43% | -17.70% | 0.21% | 16.54% | -7.26% | 4.47% | -41.60% | 109.45% | -45.07% | 57.00% | 1.99% | -18.21% | 14.27% | -14.28% | 2.02% | 11.43% | 2.96% | 2.19% | -3.91% | -2.65% | -0.80% | 4.66% | -17.90% | 19.54% | -4.89% | 0.51% | -8.07% | 23.36% | -6.57% | -21.00% | 12.72% | 4.74% | -0.23% | -1.30% | -5.90% | -20.52% | -23.19% | |
net income margin % | ||||||||||||||||||||||||||||||||||||||||||||||
less: net income attributable to noncontrolling interest in opco | 71,561,000 | 71,237,000 | 37,361,000 | 72,391,000 | 85,964,000 | 73,599,000 | 74,813,000 | 72,758,000 | 67,647,000 | 63,378,000 | 76,560,000 | 74,476,000 | 63,548,000 | 68,001,000 | 64,631,000 | 108,882,000 | 53,285,000 | 95,195,000 | 61,476,000 | 60,099,000 | 73,313,000 | 65,517,000 | 76,023,000 | 74,539,000 | 67,557,000 | 66,377,000 | 63,441,000 | 69,699,000 | 71,387,000 | 71,719,000 | 68,419,000 | 82,769,000 | 68,860,000 | 76,495,000 | 76,264,000 | 82,730,000 | 67,198,000 | 71,848,000 | 90,687,000 | 80,390,000 | 76,943,000 | 76,800,000 | 79,889,000 | 85,367,000 | 49,542,000 | |
net income attributable to westlake chemical partners lp and limited partners' interest in net income | 14,653,000 | 14,558,000 | 4,948,000 | 14,996,000 | 18,136,000 | 14,427,000 | 14,833,000 | 14,299,000 | 13,206,000 | 11,886,000 | 14,892,000 | 16,784,000 | 14,757,000 | 16,438,000 | 16,194,000 | 29,512,000 | 12,790,000 | 25,099,000 | 15,146,000 | 15,025,000 | 18,535,000 | 14,860,000 | 17,747,000 | |||||||||||||||||||||||
net income per limited partner unit attributable to westlake chemical partners lp | ||||||||||||||||||||||||||||||||||||||||||||||
common units | 420 | 410 | 140 | 420 | 510 | 410 | 420 | 400 | 370 | 340 | 420 | 470 | 420 | 470 | 460 | 830 | 360 | 710 | 430 | 430 | 530 | 430 | 500 | 500 | 420 | 390 | 460 | 370 | 380 | 400 | 360 | 490 | 470 | 360 | 350 | 390 | 320 | 340 | 450 | 400 | 370 | 390 | 310 | 310 | 190 | |
weighted-average limited partner units outstanding | ||||||||||||||||||||||||||||||||||||||||||||||
common units—publicly and privately held | 21,120,704,000 | 21,116,326,000 | 21,116,326,000 | 1,909,000 | 21,112,943,000 | 21,107,299,000 | 21,105,904,000 | 1,278,000 | 21,103,180,000 | 21,099,638,000 | 21,099,638,000 | 1,528,000 | 21,096,317,000 | 21,086,988,000 | 21,092,186,000 | 2,724,000 | 21,087,746,000 | 21,079,657,000 | 21,076,673,000 | 726,000 | 21,072,315,000 | 21,072,315,000 | 21,072,315,000 | 237,053,000 | 21,065,959,000 | 21,065,959,000 | 18,223,168,000 | |||||||||||||||||||
common units—westlake | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 14,122,230,000 | 2,120,018,000 | 14,122,230,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | 1,436,115,000 | |||||||||||
income tax benefit | 205,500 | 484,000 | 83,250 | -105,000 | 102,000 | -15,000 | 127,250 | 72,000 | -46,500 | -772,000 | ||||||||||||||||||||||||||||||||||||
net income per limited partner unit attributable to westlake chemical partners lp per limited partner unit | ||||||||||||||||||||||||||||||||||||||||||||||
net co-product, ethylene and other sales—third parties | 83,673,000 | 71,743,000 | 43,939,000 | 46,079,000 | 81,273,000 | 48,404,000 | 15,249,000 | 14,206,000 | 11,069,000 | 35,721,000 | 28,827,000 | 33,247,000 | 40,015,000 | 42,046,000 | 36,953,000 | 50,269,000 | 48,302,000 | 49,241,000 | 38,092,000 | 38,726,000 | 49,124,000 | 64,518,000 | 21,485,000 | 35,390,000 | 29,206,000 | |||||||||||||||||||||
income tax provision | 175,000 | 163,000 | 263,000 | 175,000 | 206,000 | 217,000 | 237,000 | 200,000 | ||||||||||||||||||||||||||||||||||||||
net income attributable to westlake chemical partners lp | 10,902,500 | 14,922,000 | 13,733,000 | 14,955,000 | 9,366,000 | 12,412,000 | 12,757,000 | 12,295,000 | 8,281,000 | 13,385,000 | 9,975,000 | 9,764,000 | 7,522,250 | 8,661,000 | 9,344,000 | 12,084,000 | 10,443,000 | 8,500,000 | ||||||||||||||||||||||||||||
subordinated units | 360 | 360 | 350 | 390 | 320 | 340 | 450 | 400 | 370 | 390 | 310 | 310 | 190 | |||||||||||||||||||||||||||||||||
common units—public | 2,195,000 | 18,119,980,000 | 18,115,036,000 | 18,115,036,000 | 1,294,828,000 | 13,050,000,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | 12,937,500,000 | |||||||||||||||||||||||||||||||
subordinated units—westlake | -2,120,018,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | 12,686,115,000 | ||||||||||||||||||||||||||||||||||||
distributions per common unit | 397.5 | 386.4 | 375.1 | 365 | 354.9 | 345 | 340 | 330 | ||||||||||||||||||||||||||||||||||||||
net co-product, ethylene and feedstock sales—third parties | 21,344,000 | 34,319,250 | 40,763,000 | 47,036,000 | 49,478,000 | 96,899,000 | 102,407,000 | 109,102,000 | ||||||||||||||||||||||||||||||||||||||
net income attributable to westlake chemical partners lp per limited partner unit | ||||||||||||||||||||||||||||||||||||||||||||||
less: predecessor net income prior to initial public offering on august 4, 2014 | 63,616,000 | |||||||||||||||||||||||||||||||||||||||||||||
net income subsequent to initial public offering | 91,175,000 | 87,046,000 | 93,929,000 | 54,557,000 | ||||||||||||||||||||||||||||||||||||||||||
net income attributable to westlake chemical partners lp subsequent to initial public offering | 7,261,500 | 10,103,000 | ||||||||||||||||||||||||||||||||||||||||||||
(benefit from) benefit from income taxes | -41,000 | |||||||||||||||||||||||||||||||||||||||||||||
net income attributable to westlake chemical partners lp subsequent to initial public offering and limited partners' interest in net income | 8,562,000 | 5,015,000 | ||||||||||||||||||||||||||||||||||||||||||||
net income attributable to westlake chemical partners lp subsequent to initial public offering per limited partner unit | ||||||||||||||||||||||||||||||||||||||||||||||
net ethylene sales—westlake | 415,033,000 |
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