Biggest changeReconciliations for each of MLP distributable cash flow and EBITDA are included below. 35 Table of Contents Reconciliation of MLP Distributable Cash Flow to Net Income and Net Cash Provided by Operating Activities Year Ended December 31, 2022 2021 2020 (dollars in thousands) Net cash provided by operating activities $ 463,736 $ 408,439 $ 373,397 Loss from disposition of property, plant and equipment (4,707) (4,198) (1,000) Changes in operating assets and liabilities and other (124,200) (2,856) (31,278) Net income 334,829 401,385 341,119 Add: Depreciation, amortization and disposition of property, plant and equipment 125,781 113,032 104,154 Mark-to-market adjustment gain on derivative contracts — — (1,340) Less: Contribution to turnaround reserves (29,175) (80,090) (39,937) Maintenance capital expenditures (45,249) (87,783) (37,343) Distributable cash flow attributable to noncontrolling interest in OpCo (310,316) (276,487) (294,670) MLP distributable cash flow $ 75,870 $ 70,057 $ 71,983 Reconciliation of EBITDA to Net Income, Income from Operations and Net Cash Provided by Operating Activities Year Ended December 31, 2022 2021 2020 (dollars in thousands) Net cash provided by operating activities $ 463,736 $ 408,439 $ 373,397 Loss from disposition of property, plant and equipment (4,707) (4,198) (1,000) Changes in operating assets and liabilities and other (124,200) (2,856) (31,278) Net income 334,829 401,385 341,119 Less: Other income, net 1,566 62 733 Interest expense—Westlake (13,407) (8,816) (12,038) Provision for income taxes (1,017) (549) (564) Income from operations 347,687 410,688 352,988 Add: Depreciation and amortization 121,074 108,814 103,154 Other income, net 1,566 62 733 EBITDA $ 470,327 $ 519,564 $ 456,875 36 Table of Contents Summary For the year ended December 31, 2022, net income was $334.8 million on net sales of $1,593.1 million.
Biggest changeYear Ended December 31, 2023 2022 2021 (in thousands of dollars) Net cash provided by operating activities $ 451,999 $ 463,736 $ 408,439 Loss from disposition of property, plant and equipment (4,933) (4,707) (4,198) Changes in operating assets and liabilities and other (112,440) (124,200) (2,856) Net income 334,626 334,829 401,385 Add: Depreciation, amortization and disposition of property, plant and equipment 115,136 125,781 113,032 Less: Contribution to turnaround reserves (29,520) (29,175) (80,090) Maintenance capital expenditures (49,212) (45,249) (87,783) Distributable cash flow attributable to noncontrolling interest in OpCo (308,456) (310,316) (276,487) MLP distributable cash flow $ 62,574 $ 75,870 $ 70,057 Reconciliation of EBITDA to Net Income, Income from Operations and Net Cash Provided by Operating Activities The following table presents reconciliations of EBITDA to net income, income from operations and net cash provided by operating activities, the most directly comparable GAAP financial measures, for each of the periods indicated.
The OpCo Revolver Amendment, among other things, extended the maturity date of the OpCo Revolver to July 12, 2027 and provided for the replacement of the London Interbank Offered Rate ("LIBOR") with the Secured Overnight Financing Rate, as administered by the Federal Reserve Bank of New York ("SOFR").
The OpCo Revolver Amendment, among other things, extended the maturity date to July 12, 2027 and provided for the replacement of the London Interbank Offered Rate ("LIBOR") with the Secured Overnight Financing Rate, as administered by the Federal Reserve Bank of New York ("SOFR").
Although Westlake has committed to purchasing minimum volumes from us under the Ethylene Sales Agreement, our results of operations are impacted by our ability to: • produce sufficient volumes of ethylene to meet our commitments under the Ethylene Sales Agreement or recover our estimated costs through the pricing provisions of the Ethylene Sales Agreement; • contract with third parties for the remaining uncommitted production capacity; • add or increase capacity at our existing production facilities, or add additional production capacity via organic expansion projects and acquisitions; and • achieve or exceed the specified yield factors for natural gas, ethane and other feedstock under the Ethylene Sales Agreement. 32 Table of Contents Operating Expenses, Maintenance Capital Expenditures and Turnaround Costs Our management seeks to maximize the profitability of our operations by effectively managing operating expenses, maintenance capital expenditures and turnaround costs.
Although Westlake has committed to purchasing minimum volumes from us under the Ethylene Sales Agreement, our results of operations are impacted by our ability to: • produce sufficient volumes of ethylene to meet our commitments under the Ethylene Sales Agreement or recover our estimated costs through the pricing provisions of the Ethylene Sales Agreement; • contract with third parties for the remaining uncommitted production capacity; • add or increase capacity at our existing production facilities, or add additional production capacity via organic expansion projects and acquisitions; and • achieve or exceed the specified yield factors for natural gas, ethane and other feedstock under the Ethylene Sales Agreement. 34 Table of Contents Operating Expenses, Maintenance Capital Expenditures and Turnaround Costs Our management seeks to maximize the profitability of our operations by effectively managing operating expenses, maintenance capital expenditures and turnaround costs.
Borrowings under the OpCo Revolver now bear interest at a variable rate of either (a) SOFR plus the Applicable Margin plus a 0.10% credit spread adjustment or, if SOFR is no longer available, (b) the Alternate Base Rate plus the Applicable Margin minus 1.0%. The Applicable Margin under the OpCo Revolver is 1.75%.
Borrowings under the OpCo Revolver bear interest at a variable rate of either (a) SOFR plus the Applicable Margin plus a 0.10% credit spread adjustment or, if SOFR is no longer available, (b) the Alternate Base Rate plus the Applicable Margin minus 1.0%. The Applicable Margin under the OpCo Revolver is 1.75%.
Borrowings under the MLP Revolver now bear interest at a variable rate of either (a) SOFR plus the Applicable Margin plus a 0.10% credit spread adjustment or, if SOFR is no longer available, (b) the Alternate Base Rate plus the Applicable Margin minus 1.0%.
Borrowings under the MLP Revolver bear interest at a variable rate of either (a) SOFR plus the Applicable Margin plus a 0.10% credit spread adjustment or, if SOFR is no longer available, (b) the Alternate Base Rate plus the Applicable Margin minus 1.0%.
The Shortfall is generally recognized during the period in which the related operating, maintenance or turnaround activities occur. 31 Table of Contents The Ethylene Sales Agreement provides that, if compliance with any law adopted or modified following our IPO results in OpCo incurring additional costs in excess of $500,000 in any contract year, OpCo is entitled to charge Westlake a monthly surcharge following efforts to mitigate the effects of such compliance.
The Shortfall is generally recognized during the period in which the related operating, maintenance or turnaround activities occur. 33 Table of Contents The Ethylene Sales Agreement provides that, if compliance with any law adopted or modified following our IPO results in OpCo incurring additional costs in excess of $500,000 in any contract year, OpCo is entitled to charge Westlake a monthly surcharge following efforts to mitigate the effects of such compliance.
We settled all derivatives in 2020 and did not enter into any new derivative arrangements during 2021 or 2022; however, we may enter into derivative arrangements in the future. Goodwill impairment.
We settled all derivatives in 2020 and did not enter into any new derivative arrangements during 2021, 2022 or 2023; however, we may enter into derivative arrangements in the future. Goodwill impairment.
At December 31, 2022, recorded goodwill was $5.8 million, all of which was associated with the acquisition of the Longview Pipeline as part of the past acquisition of Westlake's Longview production facilities. We perform our annual impairment assessment in the fourth quarter. We may elect to perform an optional qualitative assessment to determine whether a quantitative impairment analysis is required.
At December 31, 2023, recorded goodwill was $5.8 million, all of which was associated with the acquisition of the Longview Pipeline as part of the past acquisition of Westlake's Longview production facilities. We perform our annual impairment assessment in the fourth quarter. We may elect to perform an optional qualitative assessment to determine whether a quantitative impairment analysis is required.
The significant assumptions used in determining the fair value of the reporting unit using the market value methodology include the determination of appropriate market comparables and the estimated multiples of EBITDA a willing buyer is likely to pay. We elected to perform the quantitative assessment during 2022, and such assessment did not indicate impairment of the goodwill.
The significant assumptions used in determining the fair value of the reporting unit using the market value methodology include the determination of appropriate market comparables and the estimated multiples of EBITDA a willing buyer is likely to pay. We elected to perform the quantitative assessment during 2023, and such assessment did not indicate impairment of the goodwill.
The repayment of borrowings under the MLP Revolver is subject to acceleration upon the occurrence of an event of default. As of December 31, 2022, the outstanding borrowings under the MLP Revolver totaled $377.1 million and bore interest at SOFR plus the Applicable Margin and credit spread adjustment, which is accrued in arrears quarterly.
The repayment of borrowings under the MLP Revolver is subject to acceleration upon the occurrence of an event of default. As of December 31, 2023, the outstanding borrowings under the MLP Revolver totaled $377.1 million and bore interest at SOFR plus the Applicable Margin and credit spread adjustment, which is accrued in arrears quarterly.
Reconciliations for each of MLP distributable cash flow and EBITDA are included in the "—Results of Operations" section below. 33 Table of Contents Factors Affecting Our Business Supply and Demand for Ethylene and Resulting Co-products We generate a substantial majority of our revenue from the Ethylene Sales Agreement.
Reconciliations for each of MLP distributable cash flow and EBITDA are included in the "—Results of Operations" section below. 35 Table of Contents Factors Affecting Our Business Supply and Demand for Ethylene and Resulting Co-products We generate a substantial majority of our revenue from the Ethylene Sales Agreement.
On January 23, 2023, the board of directors of Westlake Chemical Partners GP LLC, our general partner, approved a quarterly distribution of $0.4714 per unit payable on February 16, 2023 to unitholders of record on February 2, 2023, which equates to approximately $16.6 million per quarter, or approximately $66.4 million per year in aggregate, based on the number of common units outstanding on December 31, 2022.
On January 22, 2024, the board of directors of Westlake Chemical Partners GP LLC, our general partner, approved a quarterly distribution of $0.4714 per unit payable on February 20, 2024 to unitholders of record as of February 2, 2024, which equates to approximately $16.6 million per quarter, or approximately $66.4 million per year in aggregate, based on the number of common units outstanding on December 31, 2023.
To the extent we do not generate sufficient cash flow to fund capital expenditures, we expect to fund them primarily from external sources, including borrowing directly from Westlake, as well as future issuances of equity interests or debt. 39 Table of Contents The Partnership maintains separate bank accounts, but Westlake continues to provide treasury services on our behalf under the Services and Secondment Agreement.
To the extent we do not generate sufficient cash flow to fund capital expenditures, we expect to fund them primarily from external sources, including borrowing directly from Westlake, as well as future issuances of equity interests or debt. The Partnership maintains separate bank accounts, but Westlake continues to provide treasury services on our behalf under the Omnibus Agreement.
As described above, we, OpCo and Westlake are parties to an Investment Management Agreement that authorizes Westlake to invest the Partnership's and OpCo's excess cash with Westlake for durations of up to a maximum of nine months. The Partnership had $65.0 million of cash invested under the Investment Management Agreement at December 31, 2022.
As described above, we, OpCo and Westlake are parties to an Investment Management Agreement that authorizes Westlake to invest the Partnership's and OpCo's excess cash with Westlake for durations of up to a maximum of nine months. The Partnership had $94.4 million of cash invested under the Investment Management Agreement at December 31, 2023.
Purchase obligations include agreements to purchase goods and services that are enforceable and legally binding and that specify all significant terms, including a minimum quantity and price. As of December 31, 2022, we had $27.6 million of enforceable and legally binding purchase commitments due within the near term, and none due over the long-term period.
Purchase obligations include agreements to purchase goods and services that are enforceable and legally binding and that specify all significant terms, including a minimum quantity and price. As of December 31, 2023, we had $69.8 million of enforceable and legally binding purchase commitments due within the near term, and none due over the long-term period.
On July 12, 2022, the Partnership entered into the Fourth Amendment (the "MLP Revolver Amendment") to the Senior Unsecured Revolving Credit Agreement (the "MLP Revolver"). The MLP Revolver Amendment, among other things, extended the maturity date of the MLP Revolver to July 12, 2027 and provided for the replacement of LIBOR with SOFR as the reference rate.
On July 12, 2022, the Partnership entered into the Fourth Amendment (the "MLP Revolver Amendment") to the MLP Revolver. The MLP Revolver Amendment, among other things, extended the maturity date to July 12, 2027 and provided for the replacement of LIBOR with SOFR as the reference rate.
During 2022, all third-party ethylene and associated co-products sales generated 15.7% of our total revenues. Under the Services and Secondment Agreement, OpCo uses a portion of its production capacity to process purge gas for Westlake.
During 2023, all third-party ethylene and associated co-products sales generated 13.8% of our total revenues. Under the Services and Secondment Agreement, OpCo uses a portion of its production capacity to process purge gas for Westlake.
The Partnership intends to use the net proceeds of sales of the common units, if any, for general partnership purposes, including the funding of potential drop-downs and other acquisitions. No common units had been issued under the ATM Program as of December 31, 2022 .
The Partnership intends to use the net proceeds of sales of the common units, if any, for general partnership purposes, which may include the funding of potential drop-downs and other acquisitions. No common units had been issued under the ATM Program as of December 31, 2023 .
Expensing turnaround costs as incurred would likely result in greater variability of our quarterly operating results and would adversely affect our financial position and results of operations. Additional information concerning long-lived assets and related depreciation and amortization appears in Notes 5 and 7 to the audited consolidated financial statements included within this report. Fair Value Estimates.
Expensing turnaround costs as incurred would likely result in greater variability of our quarterly operating results and would adversely affect our financial position and results of operations. Additional information concerning long-lived assets and related depreciation and amortization appears in Notes 5 and 7 to the consolidated financial statements included in Item 8 of this form 10-K. Fair Value Estimates.
We have evaluated the accounting policies used in the preparation of the accompanying consolidated financial statements and related notes and believe those policies are reasonable and appropriate. Our significant accounting policies are summarized in Note 1 to the consolidated financial statements.
We have evaluated the accounting policies used in the preparation of the accompanying consolidated financial statements and related notes and believe those policies are reasonable and appropriate. Our significant accounting policies are summarized in Note 1 in the Notes to Consolidated Financial Statements in Item 8 of this form 10-K.
For its approximately five percent merchant sales, OpCo may purchase the ethane and other feedstocks to produce ethylene and resulting co-products to sell to unrelated third parties from Westlake Petrochemicals LLC. Please refer to Note 2 to the consolidated financial statements included within this report for more information on the Feedstock Supply Agreement.
For its approximately 5% merchant sales, OpCo may purchase the ethane and other feedstocks to produce ethylene and resulting co-products to sell to unrelated third parties from Westlake Petrochemicals LLC. Please refer to Note 2 to the consolidated financial statements included in Item 8 of this form 10-K for more information on the Feedstock Supply Agreement.
As of December 31, 2022, we had $19.2 million of debt related interest expense due within the near term, and debt obligations of $399.7 million and related interest expense of $67.8 million due over the long-term period, respectively. All $399.7 million of our outstanding debt matures in 2027.
Debt Obligations and Interest Payments. As of December 31, 2023, we had $29.0 million of debt related interest expense due within the near term, and debt obligations of $399.7 million and related interest expense of $73.2 million due over the long-term period, respectively. All $399.7 million of our outstanding debt matures in 2027.
Other income, net increased by $1.5 million to $1.6 million in 2022 from $0.1 million in 2021, primarily due to an increase in interest income earned under the Investment Management Agreement. Provision for Income Taxes. Provision for income taxes was $1.0 million in 2022 as compared to $0.5 million in 2021. MLP Distributable Cash Flow.
Other income, net increased by $2.6 million to $4.2 million in 2023 from $1.6 million in 2022 primarily due to an increase in interest earned on the balance with Westlake under the Investment Management Agreement. Provision for Income Taxes. Provision for income taxes was $0.8 million in 2023 as compared to $1.0 million in 2022. MLP Distributable Cash Flow.
Changes in components of working capital, which we define for the purposes of this cash flow discussion as accounts receivable, net—Westlake, accounts receivable, net—third parties, inventories, prepaid expenses and other current assets less accounts payable—Westlake, accounts payable—third parties and accrued and other liabilities, provided cash of $9.5 million in 2022 as compared to $25.6 million of cash provided in 2021, resulting in an unfavorable change of $16.1 million.
Changes in components of working capital, which we define for the purposes of this cash flow discussion as accounts receivable, net—Westlake, accounts receivable, net—third parties, inventories, prepaid expenses and other current assets less accounts payable—Westlake, accounts payable—third parties and accrued and other liabilities, provided cash of $34.4 million in 2023 as compared to $9.5 million of cash provided in 2022, resulting in a favorable change of $24.9 million.
See Note 8, "Long-Term Debt," in the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" for further information on our debt obligations and the expected timing of future principal and interest payments. Purchase Obligations.
See Note 8, "Long-Term Debt," in the Notes to Consolidated Financial Statements in Item 8 of this form 10-K for further information on our debt obligations and the expected timing of future principal and interest payments. Operating leases.
Cash and Cash Equivalents As of December 31, 2022, our cash and cash equivalents totaled $64.8 million. In addition, we have cash invested under the Investment Management Agreement and a revolving credit facility with Westlake available to supplement cash on hand, if needed, as described under "Indebtedness" below.
In addition, we have cash invested under the Investment Management Agreement and a revolving credit facility with Westlake available to supplement cash on hand, if needed, as described under "Indebtedness" below.
Interest expense increased by $4.6 million to $13.4 million in 2022 from $8.8 million in 2021, largely due to a higher interest rate on debt owed to Westlake. Other Income, net.
Interest expense increased by $13.1 million to $26.5 million in 2023 from $13.4 million in 2022 due to a higher interest rate on debt owed to Westlake. Other Income, net.
Critical accounting estimates are those estimates made in accordance with GAAP that involve a significant level of estimation uncertainty and have had or are reasonably likely to have a material impact on our financial condition or results of operations.
Critical accounting estimates are those estimates made in accordance with GAAP that involve a significant level of estimation uncertainty and have had or are reasonably likely to have a material impact on our financial condition or results of operations. Our more critical accounting estimates include those related to long-lived assets, fair value estimates, goodwill impairment and environmental and legal obligations.
Cash Flows Operating Activities Operating activities provided cash of $463.7 million in 2022 as compared to cash provided by operating activities of $408.4 million in 2021.
Cash Flows Operating Activities Operating activities provided cash of $452.0 million in 2023 as compared to cash provided by operating activities of $463.7 million in 2022.
We do not have a legal or contractual obligation to pay distributions on a quarterly basis or any other basis at our minimum quarterly distribution rate or any other rate. Capital Expenditures Westlake has historically funded expansion capital expenditures related to Lake Charles Olefins and Calvert City Olefins. No such funding was required by OpCo during 2022, 2021 or 2020.
We do not have a legal or contractual obligation to pay distributions on a quarterly basis or any other basis at our minimum quarterly distribution rate or any other rate. 40 Table of Contents Capital Expenditures Westlake has historically funded expansion capital expenditures related to Lake Charles Olefins and Calvert City Olefins.
Please refer to Note 2 to the consolidated financial statements included within this report for more information on the Ethylene Sales Agreement.
Please refer to Note 2 to the consolidated financial statements included in Item 8 of this form 10-K for more information on the Ethylene Sales Agreement.
Our more critical accounting estimates include those related to long-lived assets, intangible assets, fair value estimates, goodwill impairment and environmental and legal obligations. Inherent in such estimates are certain key assumptions. We periodically update the estimates used in the preparation of the financial statements based on our latest assessment of the current and projected business and general economic environment.
Inherent in such estimates are certain key assumptions. We periodically update the estimates used in the preparation of the financial statements based on our latest assessment of the current and projected business and general economic environment. We believe the following to be our most critical accounting estimates required for the preparation of our financial statements. Long-Lived Assets.
Depreciation and amortization of these assets, including amortization of deferred turnaround costs, under the straight-line method over their estimated useful lives totaled $121.1 million, $108.8 million and $103.2 million in 2022, 2021 and 2020, respectively. If the useful lives of the assets were found to be shorter than originally estimated, depreciation or amortization charges would be accelerated.
Depreciation and amortization of these assets, including amortization of deferred turnaround costs, under the straight-line method over their estimated useful lives totaled $110.2 million, $121.1 million and $108.8 million in 2023, 2022 and 2021, respectively.
This represents a decrease in net income of $66.6 million as compared to net income of $401.4 million on net sales of $1,214.9 million for the year ended December 31, 2021. Net income attributable to the Partnership in 2022 was $64.2 million as compared to $82.5 million in 2021, a decrease of $18.3 million.
This represents a decrease in net income of $0.2 million as compared to net income of $334.8 million on net sales of $1,593.1 million for the year ended December 31, 2022. Net income attributable to the Partnership in 2023 was $54.3 million as compared to $64.2 million in 2022, a decrease of $9.9 million.
The carrying values of long-lived assets could be impaired by significant changes or projected changes in supply and demand fundamentals (which would have a negative impact on operating rates or margins), new technological developments, new competitors with significant raw material or other cost advantages, adverse changes associated with the U.S. and world economies, the cyclical nature of the chemical and refining industries and uncertainties associated with governmental actions. 41 Table of Contents We evaluate long-lived assets for potential impairment indicators whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable, including when negative conditions such as significant current or projected operating losses exist.
The carrying values of long-lived assets could be impaired by significant changes or projected changes in supply and demand fundamentals (which would have a negative impact on operating rates or margins), new technological developments, new competitors with significant raw material or other cost advantages, adverse changes associated with the U.S. and world economies, the cyclical nature of the chemical and refining industries and uncertainties associated with governmental actions.
We believe the following to be our most critical accounting estimates required for the preparation of our financial statements. Long-Lived Assets. Key estimates related to long-lived assets include useful lives, recoverability of carrying values and existence of any retirement obligations. Such estimates could be significantly modified.
Key estimates related to long-lived assets include useful lives, recoverability of carrying values and existence of any retirement obligations. Such estimates could be significantly modified.
The cash outflows during 2022 were related to distributions of $337.6 million to Westlake and of $66.4 million to other unitholders by the Partnership. Net cash used for financing activities during 2021 was $344.2 million as compared to net cash used for financing activities of $378.2 million in 2020.
Financing Activities Net cash used for financing activities during 2023 was $382.2 million as compared to net cash used for financing activities of $404.0 million in 2022. The cash outflows during 2023 were related to distributions of $315.8 million to the noncontrolling interest retained in OpCo by Westlake and of $66.4 million to unitholders by the Partnership.
The $52.3 million decrease in cash used for investing activities was mainly due to maturities of investments under the Investment Management Agreement in 2022 as compared to 2021. During 2022, we invested $319.9 million with Westlake, and $362.0 million of such investments matured. Capital expenditures were $54.1 million in 2022 as compared to $81.2 million in 2021.
The $63.9 million increase in cash used for investing activities was mainly due to an increase in net cash invested under the Investment Management Agreement in 2023 as compared to 2022. During 2023, we invested $174.1 million with Westlake, and $145.0 million of such investments matured.
The increase in net sales in 2022 was primarily due to higher co-products sales prices and volumes and higher ethylene sales prices due to higher ethane feedstock costs and natural gas prices and volumes to Westlake, partially offset by lower ethylene sales prices to third parties.
The increased EBITDA, as compared to the prior year, was primarily due to lower ethane feedstock and natural gas costs in 2023 as compared to 2022, partially offset by lower ethylene and co-products sales prices.
Business — Environmental" and in Note 16 to the consolidated financial statements included within this report. 42 Table of Contents The Partnership has conditional asset retirement obligations for the removal and disposal of hazardous materials and the remediation of the cause of any such release from certain of the Partnership's manufacturing facilities.
The Partnership has conditional asset retirement obligations for the removal and disposal of hazardous materials and the remediation of the cause of any such release from certain of the Partnership's manufacturing facilities.
Year Ended December 31, 2022 2021 2020 (in thousands of dollars, except unit amounts and per unit data) Net sales—Westlake $ 1,342,910 $ 1,026,586 $ 888,245 Net co-products, ethylene and other sales—third parties 250,237 188,272 78,425 Total net sales 1,593,147 1,214,858 966,670 Gross profit 377,365 441,706 378,883 Selling, general and administrative expenses 29,678 31,018 25,895 Income from operations 347,687 410,688 352,988 Other income (expense) Interest expense—Westlake (13,407) (8,816) (12,038) Other income, net 1,566 62 733 Income before income taxes 335,846 401,934 341,683 Provision for income taxes 1,017 549 564 Net income 334,829 401,385 341,119 Less: Net income attributable to noncontrolling interest in OpCo 270,656 318,838 274,952 Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income $ 64,173 $ 82,547 $ 66,167 Net income attributable to Westlake Chemical Partners LP per limited partner unit (basic and diluted) Common units $ 1.82 $ 2.34 $ 1.88 Weighted average limited partner units outstanding (basic and diluted) Common units—publicly and privately held 21,095,106 21,084,103 21,073,041 Common units—Westlake 14,122,230 14,122,230 14,122,230 MLP distributable cash flow (1) $ 75,870 $ 70,057 $ 71,983 EBITDA (1) $ 470,327 $ 519,564 $ 456,875 Year Ended December 31, 2022 2021 Average Sales Price Volume Average Sales Price Volume Product sales price and volume percentage change from prior year +20.3 % +21.8 % +26.8% -3.6 % Year Ended December 31, 2022 2021 Domestic US prices percentage change from prior-year period for fuel cost and feedstock Fuel cost (Natural Gas) +67 % +86 % Feedstock (Ethane) +56 % +63 % ______________________________ (1) See above for discussions on non-GAAP financial measures.
Year Ended December 31, 2023 2022 (in thousands of dollars, except unit amounts and per unit data) Net sales—Westlake $ 1,026,655 $ 1,342,910 Net co-products, ethylene and other sales—third parties 164,136 250,237 Total net sales 1,190,791 1,593,147 Gross profit 387,459 377,365 Selling, general and administrative expenses 29,751 29,678 Income from operations 357,708 347,687 Other income (expense) Interest expense—Westlake (26,501) (13,407) Other income, net 4,232 1,566 Income before income taxes 335,439 335,846 Provision for income taxes 813 1,017 Net income 334,626 334,829 Less: Net income attributable to noncontrolling interest in OpCo 280,343 270,656 Net income attributable to Westlake Chemical Partners LP and limited partners' interest in net income $ 54,283 $ 64,173 Net income per limited partner unit attributable to Westlake Chemical Partners LP (basic and diluted) Common units $ 1.54 $ 1.82 Weighted average limited partner units outstanding (basic and diluted) Common units—publicly and privately held 21,102,110 21,095,106 Common units—Westlake 14,122,230 14,122,230 MLP distributable cash flow (1) $ 62,574 $ 75,870 EBITDA (1) $ 472,143 $ 470,327 Year Ended December 31, 2023 2022 Average Sales Price Volume Average Sales Price Volume Net sales percentage change from prior-year period due to average sales price and volume -25.5 % +1.4 % +20.3% +21.8% Year Ended December 31, 2023 2022 Domestic US prices percentage change from prior-year period for fuel cost and feedstock Fuel cost (Natural Gas) -58.5 % +66.7 % Feedstock (Ethane) -48.8 % +55.8 % ______________________________ (1) See above for discussions on non-GAAP financial measures.
Amortization in 2022, 2021 and 2020 of previously deferred turnaround costs was $26.0 million, $16.5 million and $11.8 million, respectively. As of December 31, 2022, deferred turnaround costs, net of accumulated amortization, totaled $127.6 million.
Total costs deferred on turnarounds were $30.9 million, $6.7 million and $131.2 million in 2023, 2022 and 2021, respectively. Amortization of previously deferred turnaround costs was $25.4 million, $26.0 million and $16.5 million in 2023, 2022 and 2021, respectively. As of December 31, 2023, deferred turnaround costs, net of accumulated amortization, totaled $133.2 million.
Total capital expenditures for the years ended December 31, 2022, 2021 and 2020 were $54.1 million, $81.2 million, and $37.0 million, respectively. We expect that Westlake will loan additional cash to OpCo to fund its expansion capital expenditures in the future, but Westlake is under no obligation to do so.
We expect that Westlake will loan additional cash to OpCo to fund its expansion capital expenditures in the future, but Westlake is under no obligation to do so. Cash and Cash Equivalents As of December 31, 2023, our cash and cash equivalents totaled $58.6 million.
As of December 31, 2022, outstanding borrowings under the OpCo Revolver totaled $22.6 million and bore interest at SOFR plus the Applicable Margin and credit spread adjustment, which is accrued in arrears quarterly. 40 Table of Contents MLP Revolver In 2015, we entered into a senior, unsecured revolving credit agreement with an affiliate of Westlake, as amended in August and November 2017, March 2020 and July 2022 (the "MLP Revolver").
As of December 31, 2023, outstanding borrowings under the OpCo Revolver totaled $22.6 million and bore interest at SOFR plus the Applicable Margin and credit spread adjustment, which is accrued in arrears quarterly.
The cash outflows during 2021 were related to distributions of $277.9 million to Westlake and of $66.4 million to other unitholders by the Partnership. The cash outflows during 2020 were related to distributions of $311.8 million to Westlake and of $66.4 million to other unitholders by the Partnership.
The cash outflows during 2022 were related to distributions of $337.6 million to the noncontrolling interest retained in OpCo by Westlake and of $66.4 million to unitholders by the Partnership.
These unfavorable changes were partially offset by a favorable change in net accounts receivable—Westlake due to the collections of the 2021 buyer deficiency fee and a significant portion of the 2021 Shortfall during 2022. 38 Table of Contents Operating activities provided cash of $408.4 million in 2021 as compared to cash provided by operating activities of $373.4 million in 2020.
These favorable changes were partially offset by an unfavorable change in net accounts receivable—Westlake due to fluctuating ethane feedstock costs and a smaller buyer deficiency fee and Shortfall collected in 2023 compared to 2022. 39 Table of Contents Investing Activities Net cash used for investing activities during 2023 was $75.9 million as compared to net cash used for investing activities of $12.0 million in 2022.
Gross Profit . Gross profit was $377.4 million in 2022, as compared to gross profit of $441.7 million in 2021. The gross profit margin was 23.7% in 2022 as compared to 36.4% in 2021.
Higher sales volumes in 2023 contributed to a 1.4% increase in net sales compared to 2022. Gross Profit . Gross profit was $387.5 million in 2023, as compared to gross profit of $377.4 million in 2022. The gross profit margin was 32.5% in 2023 as compared to 23.7% in 2022.
The MLP Revolver has a borrowing capacity of $600.0 million and is scheduled to mature on July 12, 2027. On July 12, 2022, the Partnership entered into the Fourth Amendment (the "MLP Revolver Amendment") to the MLP Revolver.
MLP Revolver In 2015, we entered into a senior, unsecured revolving credit agreement with an affiliate of Westlake, as amended in August and November 2017, March 2020 and July 2022 (the "MLP Revolver"). The MLP Revolver has a borrowing capacity of $600.0 million and is scheduled to mature on July 12, 2027.
Recent Developments On July 12, 2022, OpCo entered into the Second Amendment (the "OpCo Revolver Amendment") to the Amended and Restated Senior Unsecured Revolving Credit Agreement (as so amended, the "OpCo Revolver").
On July 12, 2022, OpCo entered into the Second Amendment (the "OpCo Revolver Amendment") to the OpCo Revolver.
Remaining capital expenditures during 2021 and 2020 were related to projects to improve production capacity or reduce costs, maintenance and safety and environmental projects at our facilities. Financing Activities Net cash used for financing activities during 2022 was $404.0 million as compared to net cash used for financing activities of $344.2 million in 2021.
During 2022, we invested $319.9 million with Westlake, and $362.0 million of such investments matured. Capital expenditures were $46.8 million in 2023 as compared to $54.1 million in 2022. Capital expenditures during 2023 and 2022 were related to projects to improve production capacity or reduce costs, maintenance and safety and environmental projects at our facilities.
Contractual Obligations and Commercial Commitments The Partnership's material cash requirements for contractual obligations and commercial commitments in the near term (next 12 months) and the long-term period (2024 and thereafter) include repayment of long-term debt, interest payments and purchase obligations. Debt Obligations and Interest Payments.
We intend to use the MLP Revolver to purchase additional limited partnership interests in OpCo in the future, in the event OpCo desires to sell such additional interests to us, for other acquisitions and for general partnership purposes. 41 Table of Contents Contractual Obligations and Commercial Commitments The Partnership's material cash requirements for contractual obligations and commercial commitments in the near term (next 12 months) and the long-term period (2025 and thereafter) include repayment of long-term debt, interest payments, operating leases and purchase obligations.
The $55.3 million increase in cash flows from operating activities was mainly due to OpCo's Petro 2 facility turnaround activities in 2021, partially offset by a decrease in net income and in cash provided by working capital.
The $11.7 million decrease in cash flows from operating activities was mainly due to cash used for the Calvert City Olefins turnaround activity and higher interest expense, which was partially offset by an increase in cash provided by working capital.
This change in 2022 as compared to 2021 was primarily due to decreases in accounts payable—third parties and accrued and other liabilities due to the 2022 payment of 2021 accruals related to the Petro 2 turnaround activities that occurred in 2021, as well as increases in accounts receivable—third parties due to higher sales in 2022 resulting from the Petro 2 turnaround in the second half of 2021.
The favorable change in working capital was mainly attributable to a favorable change in accounts receivable—third parties, accounts payable—third parties and accrued and other liabilities, primarily due to the timing of payment of accruals and the impact on accounts receivable of the Petro 2 turnaround activities in 2021, which impacted the changes in working capital during 2022.
In addition, the buyer deficiency fee of $23.8 million recognized in 2022 was lower than the buyer deficiency fee and Shortfall of $110.3 million recognized in 2021. T he higher average sales prices in 2022 contributed to a 20.3% increase in net sales compared to 2021.
The decrease in net sales in 2023 was primarily due to lower ethylene and co-products sales prices in 2023 as compared to 2022. Additionally, net sales in 2022 includes a buyer deficiency fee of $23.8 million. Lower average sales prices in 2023 contributed to a 25.5% decrease in net sales compared to 2022.
Additional information about certain legal proceedings and environmental matters appears in "Item 1.
Additional information about certain legal proceedings and environmental matters appears in "Item 1. Business — Environmental" and in Note 16 to the consolidated financial statements included in Item 8 of this form 10-K.
MLP distributable cash flow increased by $5.8 million to $75.9 million in 2022 from $70.1 million in 2021. The increase in MLP distributable cash flow was primarily a result of decreased turnaround reserves and maintenance capital expenditures, partially offset by lower earnings at OpCo. EBITDA.
MLP distributable cash flow decreased by $13.3 million to $62.6 million in 2023 from $75.9 million in 2022. The decrease in MLP distributable cash flow was primarily a result of higher interest expense. EBITDA. EBITDA increased by $1.8 million to $472.1 million in 2023 from EBITDA of $470.3 million in 2022.
The decreased gross profit margin in 2022 was primarily due to increased ethane feedstock costs and natural gas prices, lower third party ethylene sales prices and the larger buyer deficiency fee and Shortfall recognized during 2021. Selling, General and Administrative Expenses .
The increased gross profit margin in 2023 was primarily due to lower ethane feedstock and natural gas costs in 2023 as compared to 2022. Selling, General and Administrative Expenses . Selling, general and administrative expenses remained relatively unchanged at $29.8 million in 2023 as compared to $29.7 million in 2022. Interest Expense—Westlake .
Net sales for 2022 increased by $378.2 million as compared to 2021 mainly due to higher co-products sales prices and volumes and higher ethylene sales prices due to higher ethane feedstock costs and natural gas prices and volumes to Westlake pursuant to the terms of the Ethylene Sales Agreement, partially offset by lower ethylene sales prices to third parties and the smaller buyer deficiency fee recognized in 2022 as compared to the buyer deficiency fee and Shortfall recognized in 2021. 2022 Compared with 2021 Net Sales .
Income from operations for 2023 increased compared to 2022 due to lower ethane feedstock and natural gas costs, partially offset by lower ethylene and co-products sales prices.
The decrease in income from operations, as well as net income and net income attributable to the Partnership, was primarily due to increased ethane feedstock costs and natural gas prices, lower ethylene sales prices to third parties and a decrease in the buyer deficiency fee and Shortfall in 2022 as compared to 2021.
Income from operations was $357.7 million for 2023, as compared to $347.7 million for 2022. Net sales for 2023 decreased by $402.3 million as compared to 2022 primarily due to lower ethylene and co-products sales prices in 2023 compared to 2022. Additionally, net sales in 2022 includes a buyer deficiency fee of $23.8 million.
We defer the costs of planned major maintenance activities, or turnarounds, and amortize the costs over the period until the next planned turnaround of the affected unit. Total costs deferred on turnarounds were $6.7 million, $131.2 million and $3.7 million in 2022, 2021 and 2020, respectively.
If the useful lives of the assets were found to be shorter than originally estimated, depreciation or amortization charges would be accelerated. 42 Table of Contents We defer the costs of planned major maintenance activities, or turnarounds, and amortize the costs over the period until the next planned turnaround of the affected unit.