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Smart Sand, Inc. Announces Fourth Quarter and Full Year 2020 Results
المصدر: Nasdaq GlobeNewswire / 02 مارس 2021 16:00:00 America/Chicago
- 4Q and full year 2020 revenue of $25.3 million and $122.3 million, respectively.
- 4Q and full year 2020 total tons sold of approximately 612,000 and 1,886,000, respectively.
- 4Q and full year 2020 net cash provided by operating activities of $3.3 million and $25.5 million, respectively.
- 4Q and full year 2020 free cash flow of $2.1 million and $16.9 million, respectively.
THE WOODLANDS, Texas, March 02, 2021 (GLOBE NEWSWIRE) -- Smart Sand, Inc. (NASDAQ: SND) (the “Company” or “Smart Sand”), a fully integrated frac sand supply and services company, a low-cost producer of high quality Northern White raw frac sand and provider of proppant logistics solutions through both its in-basin transloading terminal and SmartSystems™ products and services, today announced results for the fourth quarter and full year ended December 31, 2020.
Charles Young, Smart Sand’s Chief Executive Officer, stated “Despite volatile market conditions throughout 2020, Smart Sand continued to demonstrate its ability to manage through the cycles in our industry, and I want to thank all of our employees for their continued diligence and efforts to support the company through challenging times.”
“Although the market was challenging last year, we were able to generate positive free cash flow and reduce our debt levels. Additionally, we were able to acquire the Eagle Materials proppants business at a very attractive price. This acquisition provides us incremental capacity to serve the market as it recovers and increased logistics capabilities through the access to another Class I railroad. We believe the acquisition combined with existing low cost operations and our low leverage levels will allow us to continue to compete effectively in the market to provide sustainable sand supply and logistics solutions to our customers in 2021 and beyond.”
Full Year 2020 Highlights
Revenues were $122.3 million for the full year 2020, compared to $233.1 million for the full year of 2019, an overall decrease of 48%. Revenue in 2020 was negatively impacted by depressed energy prices driven by the continued oversupply relative to the decreased demand for oil and natural gas due to the COVID-19 coronavirus pandemic which led to reduced drilling and completions activity for new oil and gas wells in the United States.
Overall tons sold were 1,886,000 for the full year 2020, compared to full year 2019 volume of 2,462,000 tons, a decrease of 23%. Due to the decreased demand from the COVID-19 coronavirus pandemic, sales volumes dropped dramatically in the second and third quarters of 2020 before rebounding in the fourth quarter. The increased activity in the fourth quarter was not enough to overcome the reduced demand earlier in the year leading to sales volume dropping in 2020, compared to 2019 levels.
Income tax benefit was $13.0 million for the full year 2020, compared with income tax expense of $7.8 million for the full year 2019. The 2020 income tax benefit included the effects of the non-taxable gain on bargain purchase related to the acquisition of Eagle Proppants Holdings, as well as $9.7 million related to the anticipated benefit to be received from the carryback of net operating losses, including those related to depletion deduction, to tax years with a 35% corporate tax rate.
Net income was $38.0 million, or $0.94 per basic and diluted share for the full year 2020, compared with net income of $31.6 million, or $0.79 per basic and $0.78 per diluted share, for the full year 2019, an increase of 20% year over year. The increase in net income was primarily due to the gain on bargain purchase related to our acquisition of Eagle Proppants Holdings, current year income tax benefit and impairment of intangible assets in the prior year, offset by the lower shortfall revenue and the lower volumes sold during the COVID-19 coronavirus pandemic.
Net cash provided by operating activities was $25.5 million for the year ended December 31, 2020, which included income of $38.0 million, partially offset by non-cash items of $10.8 million and $1.6 million in changes in operating assets and liabilities.
Adjusted EBITDA was $20.5 million for the full year 2020 compared to Adjusted EBITDA of $87.1 million for the full year 2019, a decrease of 77% year over year. The decrease in Adjusted EBITDA for the year ended December 31, 2020, as compared to the prior year, was primarily attributable to both lower shortfall revenue and lower total volumes sold due to depressed oil prices and decreased demand.
Contribution margin was $39.1 million, or $20.75 per ton sold, for the full year 2020 compared to $106.5 million, or $43.24 per ton sold, for the full year 2019. The decrease in contribution margin was primarily due to lower total volumes sold and pricing pressure in the current period due to depressed oil prices and decreased demand and lower shortfall revenue.
Fourth Quarter 2020 Highlights
Revenues were $25.3 million in the fourth quarter of 2020, compared to third quarter 2020 revenues of $23.4 million. Fourth quarter 2020 revenues decreased by 47% compared to fourth quarter 2019 revenues of $47.7 million. Sand sales revenue were up in the fourth quarter, compared to the third quarter, due to higher sales volumes but this was mitigated by lower shortfall revenues leading to overall revenues being relatively flat with third quarter results. The decrease in revenue compared to the fourth quarter of 2019 was primarily due to higher shortfall and logistics revenues in 2019.
Overall tons sold were 612,000 for the fourth quarter of 2020, compared to 309,000 tons for the third quarter of 2020 and 462,000 tons in the fourth quarter 2019, increases of 98% and of 32%, respectively. Sales volumes improved substantially in the fourth quarter 2020, compared to the third quarter 2020, due to improved oil prices from increased demand as the economy began to show some improvement from the depressed levels caused by the start of the pandemic earlier in 2020. Due to this increase in activity later in the year, sales volume for the fourth quarter 2020 were higher than the same period a year ago which had lower volumes due to normal year end spending reductions to drill and complete new wells.
Income tax benefit was $18.6 million for the fourth quarter of 2020, compared with income tax expense of $0.3 million for the full year 2019. The fourth quarter 2020 income tax benefit resulted from the loss in the current quarter as well as $7.8 million related to the anticipated benefit to be received from the carryback of net operating losses, including those related to depletion deduction, to tax years with a 35% corporate tax rate.
For the fourth quarter of 2020, the Company had a net loss of $2.9 million, or $(0.07) per basic and diluted share, compared to net income of $36.3 million, or $0.91 per basic and diluted share for the third quarter of 2020, and net income of $2.4 million, or $0.06 per basic share and diluted share, for the fourth quarter 2019. Net income was lower sequentially due to the gain on the bargain purchase related to our acquisition of Eagle Proppants Holdings recognized in the third quarter. In the fourth quarter 2020, the Company took an impairment charge of $5.1 million on our Permian basin long-lived assets and incurred a $1.3 million sales tax audit settlement charge. Due to the increased sales volumes and seasonality of our operations in the fourth quarter, compared to the third quarter, we had more cost recognized as inventory was depleted from the winter stockpile and higher freight expense. Net income in the fourth quarter of 2019 was higher than the fourth quarter 2020 results due primarily to higher shortfall and logistics revenue partially offset by an impairment charge of $7.9 million on our Hixton site.
Adjusted EBITDA was $(7.7) million for the fourth quarter of 2020, compared to $6.1 million for the third quarter 2020 and $19.6 million for the fourth quarter of 2019. The decrease in Adjusted EBITDA compared to the third quarter of 2020 and the fourth quarter of 2019 was primarily due to lower shortfall and logistics revenue and more costs recognized as inventory was depleted from the winter stockpile and higher freight expense.
Capital and Liquidity
For the full year 2020, we generated $16.9 million in free cash flow, generating $25.5 million in cash flow from operations while spending $8.6 million on capital expenditures. For the fourth quarter of 2020, we generated $2.1 million in free cash flow, generating $3.3 million in cash flow from operations while spending $1.2 million on capital expenditures. The majority of the capital spent during the year was for investment in SmartPath transloaders for our SmartSystems last mile logistics fleets. As of December 31, 2020, we had cash on hand of $11.7 million, $9.5 million in undrawn availability on our ABL Credit Facility and $5.0 million in undrawn availability on the Acquisition Liquidity Support Facility.
Business Combination
On September 18, 2020, we acquired the Oil and Gas Proppants Segment of Eagle Materials Inc, which includes frac sand mines and related processing facilities in Utica, Illinois and New Auburn, Wisconsin, with approximately 3.5 million tons of total annual processing capacity, 1.6 million tons of which has access to the BNSF Class I rail line through the Peru, Illinois transload facility. The transaction is considered a bargain purchase whereby we purchased total net assets with a fair value of $41.7 million for total consideration of $2.1 million, resulting in a bargain purchase gain of $39.6 million, included in net income for the year ended December 31, 2020. In connection with the acquisition, we entered into a Liquidity Support Loan Agreement, whereby we may draw loans in an aggregate amount up to $5.0 million during the twelve month period ending September 18, 2021 and repay those amounts over the subsequent three years. As of December 31, 2020, there was no amounts outstanding under this facility.
We believe that this acquisition broadens our mine to wellsite capabilities by adding high quality sand mining and processing assets coupled with enhanced logistics options which provide direct access to an additional Class I rail line. We believe that these additional mining and logistics resources help secure its ability to be the preferred provider of Northern White Sand in the proppants market. With this acquisition, we believe we will be able to expand our footprint into new basins, gain access to new and enhanced logistics options, broaden our customer base and complement our mine to wellsite supply and logistics capabilities.
Conference Call
Smart Sand will host a conference call and live webcast for analysts and investors this morning, March 3, 2021 at 10:00 a.m. Eastern Time to discuss the Company’s fourth quarter and full year 2020 financial results. Investors are invited to listen to a live audio webcast of the conference call, which will be accessible on the “Investors” section of the Company’s website at www.smartsand.com. To access the live webcast, please log in 15 minutes prior to the start of the call to download and install any necessary audio software. An archived replay of the call will also be available on the website following the call. The call can also be accessed live by dialing (888) 799-5165 or, for international callers, (478) 219-0056. The passcode for the call is 4665968. A replay will be available shortly after the call and can be accessed by dialing (855) 859-2056 or, for international callers, (404) 537-3406. The conference ID for the replay is 4665968.
Forward-looking Statements
All statements in this news release other than statements of historical facts are forward-looking statements that contain our Company’s current expectations about our future results. We have attempted to identify any forward-looking statements by using words such as “expect,” “will,” “estimate,” “believe” and other similar expressions. Although we believe that the expectations reflected and the assumptions or bases underlying our forward-looking statements are reasonable, we can give no assurance that such expectations will prove to be correct. Such statements are not guarantees of future performance or events and are subject to known and unknown risks and uncertainties that could cause our actual results, events or financial positions to differ materially from those included within or implied by such forward-looking statements.
Factors that could cause our actual results to differ materially from the results contemplated by such forward-looking statements include, but are not limited to, fluctuations in product demand, regulatory changes, adverse weather conditions, increased fuel prices, higher transportation costs, access to capital, increased competition, continued effects of the global pandemic, changes in economic or political conditions, and such other factors discussed or referenced in the “Risk Factors” section of our Company’s Form 10-K for the year ended December 31, 2020, to be filed by us with the U.S. Securities and Exchange Commission on March 3, 2021.
You should not place undue reliance on our forward-looking statements. Any forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events, changed circumstances or otherwise, unless required by law.
About Smart Sand
We are a fully integrated frac sand supply and services company, offering complete mine to wellsite proppant logistics, storage and management solutions to our customers. We produce low-cost, high quality Northern White frac sand and offer proppant logistics, storage and management solutions to our customers through our in-basin transloading terminal and our SmartSystems wellsite proppant storage capabilities. We provide our products and services primarily to oil and natural gas exploration and production companies and oilfield service companies. We own and operate premium frac sand mines and related processing facilities in Wisconsin and Illinois, which have access to three Class I rail lines, allowing us to deliver products substantially anywhere in the United States and Canada. For more information, please visit www.smartsand.com.
Availability of Information on Smart Sand’s Website
We routinely announce material information using U.S. Securities and Exchange Commission filings, press releases, public conference calls and webcasts and the Smart Sand investor relations website. While not all of the information that we post to the Smart Sand investor relations website is of a material nature, some information could be deemed to be material. Accordingly, we encourage investors, the media, and others interested in Smart Sand to review the information that we share at the “Investors” link located at the top of the page on www.smartsand.com.
SMART SAND, INC.
CONSOLIDATED INCOME STATEMENTS
Three Months Ended December 31, 2020 September 30, 2020 December 31, 2019 (unaudited) (unaudited) (unaudited) (in thousands, except per share amounts) Revenues: Sand sales revenue $ 20,093 $ 12,445 $ 22,960 Shortfall revenue 1,133 6,842 11,600 Logistics revenue 4,111 4,122 13,107 Total revenue 25,337 23,409 47,667 Cost of goods sold 32,999 18,227 29,793 Gross (loss) profit (7,662 ) 5,182 17,874 Operating expenses: Salaries, benefits and payroll taxes 2,878 2,058 3,094 Depreciation and amortization 557 440 457 Selling, general and administrative 5,134 3,933 3,045 Change in the estimated fair value of contingent consideration (390 ) — (515 ) Impairment loss 5,115 — 7,914 Total operating expenses 13,294 6,431 13,995 Operating income loss (20,956 ) (1,249 ) 3,879 Other (expenses) income: Gain on bargain purchase (289 ) 39,889 — Interest expense, net (515 ) (497 ) (678 ) Loss on extinguishment of debt — — (561 ) Other income 320 80 42 Total other (expenses) income, net (484 ) 39,472 (1,197 ) (Loss) income before income tax (benefit) expense (21,440 ) 38,223 2,682 Income tax (benefit) expense (18,556 ) 1,941 294 Net (loss) income $ (2,884 ) $ 36,282 $ 2,388 Net (loss) income per common share: Basic $ (0.07 ) $ 0.91 $ 0.06 Diluted $ (0.07 ) $ 0.91 $ 0.06 Weighted-average number of common shares: Basic 41,324 39,973 40,234 Diluted 41,324 39,973 40,238 SMART SAND, INC.
CONSOLIDATED INCOME STATEMENTS
Year Ended December 31, 2020 2019 (in thousands, except per share amount) Revenues: Sand sales revenue 70,902 109,621 Shortfall revenue 23,281 49,259 Logistics revenue 28,157 74,193 Total revenue $ 122,340 $ 233,073 Cost of goods sold 104,221 152,021 Gross profit 18,119 81,052 Operating expenses: Salaries, benefits and payroll taxes 9,993 11,560 Depreciation and amortization 1,911 2,411 Selling, general and administrative 15,527 11,328 Change in the estimated fair value of contingent consideration (1,410 ) (3,272 ) Impairment loss 5,115 15,542 Total operating expenses 31,136 37,569 Operating (loss) income (13,017 ) 43,483 Other income (expenses): Gain on bargain purchase 39,600 — Interest expense, net (2,091 ) (3,621 ) Loss on extinguishment of debt — (561 ) Other income 482 131 Total other income (expenses), net 37,991 (4,051 ) Income before income tax (benefit) expense 24,974 39,432 Income tax (benefit) expense (12,980 ) 7,809 Net income $ 37,954 $ 31,623 Net income per common share: Basic $ 0.94 $ 0.79 Diluted $ 0.94 $ 0.78 Weighted-average number of common shares: Basic 40,260 40,135 Diluted 40,260 40,337 SMART SAND, INC.
CONSOLIDATED BALANCE SHEETS
December 31, 2020 2019 (in thousands) Assets Current assets: Cash and cash equivalents $ 11,725 $ 2,639 Accounts receivable, net 69,720 58,925 Unbilled receivables 127 4,765 Inventories 19,136 21,415 Prepaid expenses and other current assets 11,378 4,433 Total current assets 112,086 92,177 Property, plant and equipment, net 274,676 230,461 Operating lease right-of-use assets 32,099 28,178 Intangible assets, net 8,253 9,046 Other assets 563 3,541 Total assets $ 427,677 $ 363,403 Liabilities and Stockholders’ Equity Current liabilities: Accounts payable $ 3,268 $ 3,961 Accrued expenses and other liabilities 13,142 8,578 Deferred revenue, current 6,875 7,654 Income taxes payable — 542 Long-term debt, net, current 6,901 6,175 Operating lease liabilities, current 7,077 13,108 Total current liabilities 37,263 40,018 Deferred revenue, net 3,482 1,670 Long-term debt, net 22,445 28,240 Operating lease liabilities, long-term 27,020 15,469 Deferred tax liabilities, long-term, net 32,981 24,408 Asset retirement obligation 14,996 6,142 Contingent consideration 180 1,900 Other non-current liabilities 503 — Total liabilities 138,870 117,847 Commitments and contingencies Stockholders’ equity Common stock 42 40 Treasury stock, at cost (4,134 ) (2,979 ) Additional paid-in capital 171,209 165,223 Retained earnings 121,267 83,313 Accumulated other comprehensive income (loss) 423 (41 ) Total stockholders’ equity 288,807 245,556 Total liabilities and stockholders’ equity $ 427,677 $ 363,403 SMART SAND, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWSYear Ended December 31, Three Months Ended 2020 2019 December 31, 2020 (audited) (audited) (unaudited) (in thousands) Operating activities: Net income (loss) $ 37,954 $ 31,623 $ (2,884 ) Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, depletion and accretion of asset retirement obligation 22,130 26,425 6,038 Impairment loss 5,115 15,542 5,115 Amortization of intangible assets 793 1,394 197 Asset retirement obligation settlement — (2,753 ) — Loss (gain) on disposal of assets 237 (42 ) (62 ) Loss on extinguishment of debt — 561 — Amortization of deferred financing cost 105 212 26 Accretion of debt discount 185 649 47 Deferred income taxes (2,573 ) 6,123 (2,811 ) Stock-based compensation 3,831 2,909 922 Employee stock purchase plan compensation 34 41 5 Change in contingent consideration fair value (1,410 ) (3,272 ) (390 ) Gain on bargain purchase, net of cash acquired (39,291 ) — 289 Changes in assets and liabilities: 0 Accounts receivable (10,719 ) (41,063 ) (3,690 ) Unbilled receivables 4,638 3,058 9,129 Inventories 4,738 (1,021 ) 4,432 Prepaid expenses and other assets (5,327 ) 1,879 (9,078 ) Deferred revenue 1,032 5,229 (2,880 ) Accounts payable (370 ) (4,680 ) (165 ) Accrued and other expenses 4,981 1,277 5,587 Income taxes payable (542 ) 542 (6,510 ) Net cash provided by operating activities 25,541 44,632 3,317 Investing activities: Purchases of property, plant and equipment (8,620 ) (25,525 ) (1,176 ) Proceeds from disposal of assets 61 100 10 Net cash used in investing activities (8,559 ) (25,425 ) (1,166 ) Financing activities: Proceeds from the issuance of notes payable 952 31,202 — Repayments of notes payable (4,802 ) (2,808 ) (1,275 ) Payments under equipment financing obligations (123 ) (103 ) (36 ) Payment of deferred financing and debt issuance costs (20 ) (2,262 ) — Proceeds from revolving credit facility 6,000 52,750 — Repayment of revolving credit facility (8,500 ) (94,750 ) — Payment of contingent consideration (310 ) (1,995 ) — Proceeds from equity issuance 62 71 — Purchase of treasury stock (1,155 ) (140 ) (109 ) Net cash used in financing activities (7,896 ) (18,035 ) (1,420 ) Net increase in cash and cash equivalents 9,086 1,173 731 Cash and cash equivalents at beginning of period 2,639 1,466 10,994 Cash and cash equivalents at end of period $ 11,725 $ 2,639 $ 11,725 Non-GAAP Financial Measures
EBITDA and Adjusted EBITDA
We define EBITDA as net income, plus: (i) depreciation, depletion and amortization expense; (ii) income tax expense (benefit); (iii) interest expense; and (iv) franchise taxes. We define Adjusted EBITDA as EBITDA, plus: (i) gain or loss on sale of fixed assets or discontinued operations; (ii) integration and transition costs associated with specified transactions; (iii) equity compensation; (iv) acquisition and development costs; (v) non-recurring cash charges related to restructuring, retention and other similar actions; (vi) earn-out, contingent consideration obligations and other acquisition and development costs; and (vii) non-cash charges and unusual or non-recurring charges. Adjusted EBITDA is used as a supplemental financial measure by management and by external users of our financial statements, such as investors and commercial banks, to assess:
- the financial performance of our assets without regard to the impact of financing methods, capital structure or historical cost basis of our assets;
- the viability of capital expenditure projects and the overall rates of return on alternative investment opportunities;
- our ability to incur and service debt and fund capital expenditures;
- our operating performance as compared to those of other companies in our industry without regard to the impact of financing methods or capital structure; and
- our debt covenant compliance, as Adjusted EBITDA is a key component of critical covenants to the ABL Credit Facility.
We believe that our presentation of EBITDA and Adjusted EBITDA will provide useful information to investors in assessing our financial condition and results of operations. Net income is the GAAP measure most directly comparable to EBITDA and Adjusted EBITDA. EBITDA and Adjusted EBITDA should not be considered alternatives to net income presented in accordance with GAAP. Because EBITDA and Adjusted EBITDA may be defined differently by other companies in our industry, our definitions of EBITDA and Adjusted EBITDA may not be comparable to similarly titled measures of other companies, thereby diminishing their utility. The following table presents a reconciliation of EBITDA and Adjusted EBITDA to net income for each of the periods indicated.
The following tables present a reconciliation of EBITDA and Adjusted EBITDA to net income for each of the periods indicated:
Three Months Ended December 31, 2020 September 30, 2020 December 31, 2019 (in thousands) Net (loss) income $ (2,884 ) $ 36,282 $ 2,388 Depreciation, depletion and amortization 6,070 5,529 7,250 Income tax (benefit) expense (18,556 ) 1,941 294 Interest expense 524 506 679 Franchise taxes 63 63 51 EBITDA $ (14,783 ) $ 44,321 $ 10,662 Gain on sale of fixed assets (11 ) (27 ) (1 ) Equity compensation (1) 831 832 708 Acquisition and development costs (2) (514 ) 823 (315 ) Gain on bargain purchase 289 (39,889 ) — Non-cash impairment of long-lived and intangible assets 5,115 — 7,914 Cash charges related to restructuring and retention — — 55 Accretion of asset retirement obligations 157 88 64 Loss on extinguishment of debt — — 561 Sales tax audit settlement 1,250 — — Adjusted EBITDA $ (7,666 ) $ 6,148 $ 19,648 (1) Represents the non-cash expenses for stock-based awards issued to our employees and employee stock purchase plan compensation expense.
(2) Represents costs incurred related to the business combinations and current development project activities. The three months ended December 31, 2020 includes fair value adjustment of contingent consideration of $390, and acquisition costs of $74. The three months ended September 30, 2020 includes acquisition cost of $817. The three months ended December 31, 2019 includes $515 fair value adjustment partially offset by $200 related to development project activities.Year Ended December 31, 2020 2019 (in thousands) Net income $ 37,954 $ 31,623 Depreciation, depletion and amortization 22,536 27,135 Income tax (benefit) expense (12,980 ) 7,809 Interest expense 2,129 3,626 Franchise taxes 275 285 EBITDA $ 49,914 $ 70,478 Loss (gain) on sale of fixed assets 237 (42 ) Equity compensation (1) 3,431 2,755 Acquisition and development costs (2) (369 ) (3,047 ) Gain on bargain purchase (39,600 ) — Non-cash impairment loss(3) 5,115 15,542 Cash charges related to restructuring and retention of employees 82 137 Accretion of asset retirement obligations 396 687 Loss on extinguishment of debt — 561 Sales tax audit settlement 1,250 — Adjusted EBITDA $ 20,456 $ 87,071 (1) Represents the non-cash expenses for stock-based awards issued to employees and employee stock purchase plan compensation expense.
(2) Represents costs incurred related to the business combinations and current development project activities. The year ended December 31, 2020 includes acquisition cost of $891, offset by $1,410 fair value adjustment of contingent consideration. The year ended December 31, 2019 includes $3,272 decrease in the estimated fair value of contingent consideration related to the acquisition of Quickthree and $225 related to development project activities.
(3) The year ended December 31, 2020 represents a $5,115 full impairment of long-lived assets in the Permian basin. The year ended December 31, 2019 includes an impairment charge of $7,628 related to the Quickload system and $7,914 related to our Hixton Wisconsin property. The year ended December 31, 2018 represents a $17,835 impairment of goodwill and other indefinite-lived intangible assets.Contribution Margin
We also use contribution margin, which we define as total revenues less costs of goods sold excluding depreciation, depletion and accretion of asset retirement obligations, to measure its financial and operating performance. Contribution margin excludes other operating expenses and income, including costs not directly associated with the operations of the Company’s business such as accounting, human resources, information technology, legal, sales and other administrative activities.
Historically, we have reported production costs and production cost per ton as non-GAAP financial measures. As we expand our logistics activities and continue to sell sand closer to the wellhead, our sand production costs will only be a portion of our overall cost structure.
Gross profit is the GAAP measure most directly comparable to contribution margin. Contribution margin should not be considered an alternative to gross profit presented in accordance with GAAP. Because contribution margin may be defined differently by other companies in the industry, our definition of contribution margin may not be comparable to similarly titled measures of other companies, thereby diminishing its utility. The following table presents a reconciliation of contribution margin to gross profit.
Three Months Ended December 31, 2020 September 30, 2020 December 31, 2019 (in thousands) Revenue $ 25,337 $ 23,409 $ 47,667 Cost of goods sold 32,999 18,227 29,793 Gross profit (7,662 ) 5,182 17,874 Depreciation, depletion, and accretion of asset retirement obligations included in cost of goods sold 2,468 5,177 6,858 Contribution margin $ (5,194 ) $ 10,359 $ 24,732 Contribution margin per ton $ (8.49 ) $ 33.52 $ 53.53 Total tons sold 612 309 462 Year Ended December 31, 2020 2019 (in thousands) Revenue $ 122,340 $ 233,073 Cost of goods sold 104,221 152,021 Gross profit 18,119 81,052 Depreciation, depletion, and accretion of asset retirement obligations included in cost of goods sold 21,022 25,412 Contribution margin $ 39,141 $ 106,464 Contribution margin per ton $ 20.75 $ 43.24 Total tons sold 1,886 2,462 Free Cash Flow
Free cash flow, which we define as net cash provided by operating activities less purchases of property, plant and equipment, is used as a supplemental financial measure by our management and by external users of our financial statements, such as investors and commercial banks, to measure the liquidity of our business.
Net cash provided by operating activities is the GAAP measure most directly comparable to free cash flow. Free cash flow should not be considered an alternative to net cash provided by operating activities presented in accordance with GAAP. Because free cash flows may be defined differently by other companies in our industry, our definition of free cash flow may not be comparable to similarly titled measures of other companies, thereby diminishing its utility. The following table presents a reconciliation of free cash flow to net cash provided by operating activities.
Year Ended December 31, Three Months Ended 2020 2019 December 31, 2020 (in thousands) Net cash provided by operating activities $ 25,541 $ 44,632 $ 3,317 Purchases of property, plant and equipment (8,620 ) (25,525 ) (1,176 ) Free cash flow $ 16,921 $ 19,107 $ 2,141 Investor Contacts:
Josh Jayne
Director of Finance, Assistant Treasurer
(281) 231-2660
jjayne@smartsand.comLee Beckelman
CFO
(281) 231-2660
lbeckelman@smartsand.com