UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________

FORM 10-Q

______________________________

☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2021

or

☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                     

Commission File Number: 001-38035

______________________________

ProPetro Holding Corp.

(Exact name of registrant as specified in its charter)

______________________________

Delaware						26-3685382
(State or other jurisdiction of incorporation or organization)						(I.R.S. Employer Identification No.)

1706 South Midkiff,

Midland, Texas 79701

(Address of principal executive offices)

(432) 688-0012

(Registrant’s telephone number, including area code) 

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, par value $0.001 per share			PUMP			New York Stock Exchange
Preferred Stock Purchase Rights			N/A			New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒  No  ☐ 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes  ☒  No  ☐ 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer

☐

Accelerated filer

☒

Non-accelerated filer

☐

Smaller reporting company

☐

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐    No  ☒

The number of the registrant’s common shares, par value $0.001 per share, outstanding at October 29, 2021, was 103,371,315.

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PROPETRO HOLDING CORP.

TABLE OF CONTENTS

									Page
						Cautionary Note Regarding Forward-Looking Statements			ii
PART I – FINANCIAL INFORMATION
Item 1.						Financial Statements (Unaudited)
						Condensed Consolidated Balance Sheets as of September 30, 2021 and December 31, 2020			1
						Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021 and 2020			2
						Condensed Consolidated Statements of Shareholders' Equity for the three and nine months ended September 30, 2021 and 2020			3
						Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2021 and 2020			4
						Notes to Condensed Consolidated Financial Statements			5
Item 2.						Management’s Discussion and Analysis of Financial Condition and Results of Operations			19
Item 3.						Quantitative and Qualitative Disclosures About Market Risk			30
Item 4.						Controls and Procedures			31
PART II – OTHER INFORMATION
Item 1.						Legal Proceedings			32
Item 1A.						Risk Factors			32
Item 2.						Unregistered Sales of Equity Securities and Use of Proceeds			32
Item 3.						Defaults Upon Senior Securities			32
Item 4.						Mine Safety Disclosures			32
Item 5.						Other Information			32
Item 6.						Exhibits			33
						Signatures			34

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

          This Quarterly Report on Form 10-Q (this "Form 10-Q") contains forward-looking statements that are intended to be covered by the safe harbor provided by the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts contained in this Form 10-Q are forward-looking statements within the meaning of Section 21E of the Securities and Exchange Act of 1934, as amended (the "Exchange Act"). Forward-looking statements are all statements other than statements of historical facts, and give our expectations or forecasts of future events as of the effective date of this Form 10-Q. Words such as "may," "could," "plan," "project," "budget," "predict," "pursue," "target," "seek," "objective," "believe," "expect," "anticipate," "intend," "estimate," "will," "should" and similar expressions are generally to identify forward-looking statements. These statements include, but are not limited to statements about our business strategy, industry, future profitability and future capital expenditures. Such statements are subject to risks and uncertainties, many of which are difficult to predict and generally beyond our control, that could cause actual results to differ materially from those implied or projected by the forward-looking statements. Factors that could cause our actual results to differ materially from those contemplated by such forward-looking statements include:

•the severity and duration of world health events, including the coronavirus ("COVID-19") pandemic and the related economic repercussions;

•the actions taken by the members of the Organization of the Petroleum Exporting Countries ("OPEC") and Russia (together with OPEC and other allied producing countries, "OPEC+") with respect to oil production levels and announcements of potential changes in such levels, including the ability of the OPEC+ countries to agree on and comply with supply limitations;

•actions taken by the Biden Administration, such as executive orders or new regulations, that may negatively impact the future production of oil and natural gas in the United States and may adversely affect our future operations;

•the level of production and resulting market prices for crude oil, natural gas and other hydrocarbons;

•changes in general economic and geopolitical conditions, including the rate of inflation;

•the effects of existing and future laws and governmental regulations (or the interpretation thereof) on us and our customers;

•cost increases and supply chain constraints related to our services;

•competitive conditions in our industry;

•changes in the long-term supply of, and demand for, oil and natural gas;

•actions taken by our customers, suppliers, competitors and third-party operators;

•technological changes, including lower emissions oilfield services equipment and similar advancements;

•changes in the availability and cost of capital;

•our ability to successfully implement our business plan;

•large or multiple customer defaults, including defaults resulting from actual or potential insolvencies;

•the effects of consolidation on our customers or competitors;

•the price and availability of debt and equity financing (including changes in interest rates);

•our ability to complete growth projects on time and on budget;

•operational challenges relating to the COVID-19 pandemic and efforts to mitigate the spread of the virus, including logistical challenges, protecting the health and well-being of our employees, remote work arrangements, performance of contracts and supply chain disruptions;

•changes in our tax status;

•regulatory and related policy actions intended by federal, state and/or local governments to reduce fossil fuel use and associated carbon emissions, or to drive the substitution of renewable forms of energy for oil and gas, may over time reduce demand for oil and gas and therefore the demand for our services;

•new or expanded regulations that materially limit our customers’ access to federal and state lands for oil and gas development, thereby reducing demand for our services in the affected areas;

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•growing demand for electric vehicles that result in reduced demand for gasoline and therefore the demand for our services;

•our ability to successfully implement technological developments and enhancements, including the DuraStim® hydraulic fracturing equipment and associated power solutions;

•operating hazards, natural disasters, weather-related delays, casualty and equipment losses and other matters beyond our control, which risks may be self-insured, or may not be fully covered under our insurance programs;

•acts of terrorism, war or political or civil unrest in the United States or elsewhere;

•the effects of current and future litigation, including the Logan Lawsuit;

•the timing and outcome of, including potential expense associated with, the pending U.S. Securities and Exchange Commission (the "SEC") investigation;

•the potential impact on our business and stock price of any announcements regarding the SEC's pending investigation, the Logan Lawsuit; and

•our ability to successfully execute on our plans and objectives.

          Whether actual results and developments will conform with our expectations and predictions contained in forward-looking statements is subject to a number of risks and uncertainties which could cause actual results to differ materially from such expectations and predictions, including, without limitation, in addition to those specified in the text surrounding such statements, the risks described under Part II, Item 1A, "Risk Factors" in this Form 10-Q and elsewhere throughout this report, the risks described under Part I, Item 1A, "Risk Factors" in our Form 10-K for the year ended December 31, 2020, filed with the SEC (the "Form 10-K") and elsewhere throughout that report, and other risks, many of which are beyond our control.

          Readers are cautioned not to place undue reliance on our forward-looking statements, which are made as of the effective date of this Form 10-Q. We do not undertake, and expressly disclaim, any duty to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except as required by applicable securities laws. Investors are also advised to carefully review and consider the various risks and other disclosures discussed in our SEC reports, including the risk factors described in the Form 10-K.

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PART I – FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

PROPETRO HOLDING CORP.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share data)

(Unaudited)

						September 30, 2021						December 31, 2020
ASSETS
CURRENT ASSETS:
Cash and cash equivalents						$	84,601					$	68,772
Accounts receivable - net of allowance for credit losses of $217 and $1,497, respectively						149,650						84,244
Inventories						3,477						2,729
Prepaid expenses						5,197						11,199
Other current assets						14						782
Total current assets						242,939						167,726
PROPERTY AND EQUIPMENT - net of accumulated depreciation						853,928						880,477
OPERATING LEASE RIGHT-OF-USE ASSETS						486						709
OTHER NONCURRENT ASSETS:
Other noncurrent assets						1,397						1,827
Total other noncurrent assets						1,397						1,827
TOTAL ASSETS						$	1,098,750					$	1,050,739
LIABILITIES AND SHAREHOLDERS’ EQUITY
CURRENT LIABILITIES:
Accounts payable						$	167,085					$	79,153
Operating lease liabilities						360						334
Accrued and other current liabilities						24,597						24,676
Total current liabilities						192,042						104,163
DEFERRED INCOME TAXES						63,701						75,340
NONCURRENT OPERATING LEASE LIABILITIES						192						465
Total liabilities						255,935						179,968
COMMITMENTS AND CONTINGENCIES (Note 10)
SHAREHOLDERS’ EQUITY:
Preferred stock, $0.001 par value, 30,000,000 shares authorized, none issued, respectively						—						—
Common stock, $0.001 par value, 200,000,000 shares authorized, 103,259,971 and 100,912,777 shares issued, respectively						103						101
Additional paid-in capital						841,110						835,115
Retained earnings						1,602						35,555
Total shareholders’ equity						842,815						870,771
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY						$	1,098,750					$	1,050,739

See notes to condensed consolidated financial statements.

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PROPETRO HOLDING CORP.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

(Unaudited)

						Three Months Ended September 30,												Nine Months Ended September 30,
						2021						2020						2021						2020
REVENUE - Service revenue						$	250,099					$	133,710					$	628,444					$	634,888
COSTS AND EXPENSES
Cost of services (exclusive of depreciation and amortization)						188,690						99,592						474,905						468,633
General and administrative (inclusive of stock-based compensation)						21,348						21,817						59,079						67,086
Depreciation and amortization						33,531						37,467						100,253						117,844
Impairment expense						—						—						—						16,654
Loss on disposal of assets						12,424						11,286						40,500						39,875
Total costs and expenses						255,993						170,162						674,737						710,092
OPERATING LOSS						(5,894)						(36,452)						(46,293)						(75,204)
OTHER EXPENSE:
Interest expense						(143)						(137)						(477)						(2,208)
Other (expense)/Income						(309)						(312)						1,178						(583)
Total other (expense)/Income						(452)						(449)						701						(2,791)
LOSS BEFORE INCOME TAXES						(6,346)						(36,901)						(45,592)						(77,995)
INCOME TAX BENEFIT						1,279						7,717						11,639						15,087
NET LOSS						$	(5,067)					$	(29,184)					$	(33,953)					$	(62,908)
NET LOSS PER COMMON SHARE:
Basic						$	(0.05)					$	(0.29)					$	(0.33)					$	(0.62)
Diluted						$	(0.05)					$	(0.29)					$	(0.33)					$	(0.62)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic						103,257						100,897						102,408						100,802
Diluted						103,257						100,897						102,408						100,802

See notes to condensed consolidated financial statements.

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PROPETRO HOLDING CORP.

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

(In thousands)

(Unaudited)

						Nine Months Ended September 30, 2021
						Common Stock
						Shares						Amount						Additional Paid-In Capital						Retained Earnings						Total
BALANCE - January 1, 2021						100,913						$	101					$	835,115					$	35,555					$	870,771
Stock-based compensation cost						—						—						2,487						—						2,487
Issuance of equity awards, net						1,145						1						(1)						—						—
Tax withholdings paid for net settlement of equity awards						—						—						(5,614)						—						(5,614)
Net loss						—						—						—						(20,375)						(20,375)
BALANCE - March 31, 2021						102,058						$	102					$	831,987					$	15,180					$	847,269
Stock-based compensation cost						—						—						2,909						—						2,909
Issuance of equity awards, net						1,169						1						(1)						—						—
Tax withholdings paid for net settlement of equity awards						—						—						(159)						—						(159)
Proceeds from exercise of stock awards						—						—						3,235						—						3,235
Net loss						—						—						—						(8,511)						(8,511)
BALANCE - June 30, 2021						103,227						$	103					$	837,971					$	6,669					$	844,743
Stock-based compensation cost						—						—						3,009						—						3,009
Issuance of equity awards, net						33						—						—						—						—
Proceeds from exercise of stock awards						—						—						130						—						130
Net loss						—						—						—						(5,067)						(5,067)
BALANCE - September 30, 2021						103,260						$	103					$	841,110					$	1,602					$	842,815

						Nine Months Ended September 30, 2020
						Common Stock
						Shares						Amount						Additional Paid-In Capital						Retained Earnings						Total
BALANCE - January 1, 2020						100,624						$	101					$	826,629					$	142,575					969,305
Stock-based compensation cost						—						—						471						—						471
Issuance of equity awards, net						154						—						—						—						—
Tax withholdings paid for net settlement of equity awards						—						—						(456)						—						(456)
Net loss						—						—						—						(7,804)						(7,804)
BALANCE - March 31, 2020						100,778						$	101					$	826,644					$	134,771					$	961,516
Stock-based compensation cost						—						—						2,962						—						2,962
Issuance of equity awards, net						111						—						—						—						—
Tax withholdings paid for net settlement of equity awards						—						—						(129)						—						(129)
Net loss						—						—						—						(25,920)						(25,920)
BALANCE - June 30, 2020						100,889						$	101					$	829,477					$	108,851					$	938,429
Stock-based compensation cost						—						—						2,535						—						2,535
Issuance of equity awards, net						9						—						—						—						—
Tax withholdings paid for net settlement of equity awards						—						—						(13)						—						(13)
Net loss						—						—						—						(29,184)						(29,184)
BALANCE - September 30, 2020						100,898						$	101					$	831,999					$	79,667					$	911,767

See notes to condensed consolidated financial statements.

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PROPETRO HOLDING CORP.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

(Unaudited)

						Nine Months Ended September 30,
						2021						2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss						$	(33,953)					$	(62,908)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization						100,253						117,844
Impairment expense						—						16,654
Deferred income tax benefit						(11,639)						(15,490)
Amortization of deferred debt issuance costs						405						407
Stock-based compensation						8,405						5,968
Provision for credit losses						282						448
Loss on disposal of assets						40,500						39,875
Changes in operating assets and liabilities:
Accounts receivable						(65,244)						117,072
Other current assets						325						2,598
Inventories						(747)						587
Prepaid expenses						6,027						4,741
Accounts payable						64,237						(97,380)
Accrued and other current liabilities						408						(11,996)
Accrued interest						—						(394)
Net cash provided by operating activities						109,259						118,026
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures						(87,700)						(86,509)
Proceeds from sale of assets						2,151						4,330
Net cash used in investing activities						(85,549)						(82,179)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of borrowings						—						(130,000)
Payment of finance lease obligation						—						(30)
Repayments of insurance financing						(5,473)						—
Proceeds from exercise of equity awards						3,365						—
Tax withholdings paid for net settlement of equity awards						(5,773)						(598)
Net cash used in financing activities						(7,881)						(130,628)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS						15,829						(94,781)
CASH AND CASH EQUIVALENTS - Beginning of period						68,772						149,036
CASH AND CASH EQUIVALENTS - End of period						$	84,601					$	54,255

See notes to condensed consolidated financial statements.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1 - Basis of Presentation

          The accompanying condensed consolidated financial statements of ProPetro Holding Corp. and its subsidiary (the "Company," "we," "us" or "our") have been prepared in accordance with the requirements of the U.S. Securities and Exchange Commission ("SEC") for interim financial information and do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America ("GAAP") for annual financial statements. Those adjustments (which consisted of normal recurring accruals) that are, in the opinion of management, necessary for a fair presentation of the results of the interim periods have been made. Results of operations for such interim periods are not necessarily indicative of the results of operations for a full year due to changes in market conditions and other factors. The condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto for the year ended December 31, 2020 included in our Form 10-K filed with the SEC (our "Form 10-K").

Revenue Recognition

          The Company’s services are sold based upon contracts with customers. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. The following is a description of the principal activities, aggregated into our one reportable segment—"Pressure Pumping," and "all other" category, from which the Company generates its revenue.

          Pressure Pumping — Pressure pumping consists of downhole pumping services, which includes hydraulic fracturing (inclusive of acidizing services) and cementing.

Hydraulic fracturing is a well-stimulation technique intended to optimize hydrocarbon flow paths during the completion phase of shale wellbores. The process involves the injection of water, sand and chemicals under high pressure into shale formations. Our hydraulic fracturing contracts with our customers have one performance obligation, which is the contracted total stages, satisfied over time. We recognize revenue over time using a progress output, unit-of-work performed method, which is based on the agreed fixed transaction price and actual stages completed. We believe that recognizing revenue based on actual stages completed faithfully depicts how our hydraulic fracturing services are transferred to our customers over time. In addition, certain of our hydraulic fracturing equipment is entitled to daily idle fee charges if a customer were to idle committed hydraulic fracturing equipment. The Company recognizes revenue related to idle fee charges on a daily basis as the performance obligations are met.

Acidizing, which is part of our hydraulic fracturing operating segment, involves a well-stimulation technique where acid or similar chemicals are injected under pressure into formations to form or expand fissures. Our acidizing contracts have one performance obligation, satisfied at a point-in-time, upon completion of the contracted service or sale of the acid or chemical when control is transferred to the customer. Jobs for these services are typically short term in nature, with most jobs completed in less than a day. We recognize acidizing revenue at a point-in-time, upon completion of the performance obligation.

Our cementing services use pressure pumping equipment to deliver a slurry of liquid cement that is pumped down a well between the casing and the borehole. Our cementing contracts have one performance obligation, satisfied at a point-in-time, upon completion of the contracted service when control is transferred to the customer. Jobs for these services are typically short term in nature, with most jobs completed in less than a day. We recognize cementing revenue at a point-in-time, upon completion of the performance obligation.

The transaction price for each performance obligation for all our pressure pumping services is fixed per our contracts with our customers.

           All Other— All other consists of coiled tubing operations, which are downhole well completion/remedial services. The performance obligation for these services has a fixed transaction price which is satisfied at a point-in-time upon completion of the service when control is transferred to the customer. Accordingly, we recognize revenue at a point-in-time, upon completion of the service and transfer of control to the customer.

Accounts Receivable

          Accounts receivables are stated at the amount billed and billable to customers. At September 30, 2021 and December 31, 2020, accrued revenue (unbilled receivable) included as part of our accounts receivable was $33.3 million and $8.6 million, respectively. At September 30, 2021, the transaction price allocated to the remaining performance obligation for our partially

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1 - Basis of Presentation (Continued)

completed hydraulic fracturing operations was $15.5 million, which is expected to be completed and recognized within one month following the current period balance sheet date, in our pressure pumping reportable segment.

Allowance for Credit Losses

          As of September 30, 2021, the Company had $0.2 million allowance for credit losses. Our allowance for credit losses is based on the evaluation of both our historic collection experience and the expected impact of any potential deteriorating economic conditions for the oil and gas industry. We evaluated the historic loss experience on our accounts receivable and also considered separately customers with receivable balances that may be negatively impacted by current economic developments and market conditions. While the Company has not experienced significant credit losses in the past and has not yet seen material changes to the payment patterns of its customers, the Company cannot predict with any certainty the degree to which the impacts of the COVID-19 pandemic, including the potential impact of periodically adjusted borrowing base limits, level of hedged production, or unforeseen well shut-downs may affect the ability of its customers to timely pay receivables when due. Accordingly, in future periods, the Company may revise its estimates of expected credit losses.

          The table below shows a summary of allowance for credit losses during the nine months ended September 30, 2021:

(in thousands)
Balance - January 1, 2021			$	1,497
Provision for credit losses during the period			282
Write-off during the period			(1,562)
Balance - September 30, 2021			$	217

Note 2 - Recently Issued Accounting Standards

Recently Issued Accounting Standards Adopted in 2021

           In December 2019, the Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") issued ASU No. 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. ASU 2019-12 removes certain exceptions to the general principles in Topic 740 in Generally Accepted Accounting Principles. ASU 2019-12 is effective for public entities for fiscal years beginning after December 15, 2020, with early adoption permitted. Effective January 1, 2021, we adopted this guidance and the adoption did not materially affect the Company’s condensed consolidated financial statements.

Recently Issued Accounting Standards Not Yet Adopted in 2021

            In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform, which provides temporary optional guidance to companies impacted by the transition away from the London Interbank Offered Rate ("LIBOR"). The guidance provides certain expedients and exceptions to applying GAAP in order to lessen the potential accounting burden when contracts, hedging relationships, and other transactions that reference LIBOR as a benchmark rate are modified. This guidance is effective upon issuance and expires on December 31, 2022. The Company is currently assessing the impact of the LIBOR transition and this ASU on the Company’s condensed consolidated financial statements.

Note 3 - Fair Value Measurement

           Fair value ("FV") is defined as the price that would be received to sell an asset or paid to transfer a liability (i.e., the "exit price") in an orderly transaction between market participants at the measurement date.

          In determining fair value, the Company uses various valuation approaches and establishes a hierarchy for inputs used in measuring fair value that maximizes the use of relevant observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used, when available. Observable inputs are inputs that market participants would use in pricing the asset or liability developed based on market data obtained from sources independent of the Company. Unobservable inputs are inputs that reflect the Company's assumptions about the assumptions other market participants would use in pricing the asset or liability developed based on the best information available in the circumstances. The hierarchy is broken down into three levels based on the observability of inputs as follows:

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 3 - Fair Value Measurement (Continued)

          Level 1 — Valuations based on quoted prices in active markets for identical assets or liabilities that the Company has the ability to access. Valuation adjustments and block discounts are not applied to Level 1 instruments. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these instruments does not entail a significant degree of judgment.

          Level 2 — Valuations based on one or more quoted prices in markets that are not active or for which all significant inputs are observable, either directly or indirectly.

          Level 3 — Valuations based on inputs that are unobservable and significant to the overall fair value measurement.

          A financial instrument's categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The Company's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

          Our financial instruments include cash and cash equivalents, accounts receivable, accounts payable, accrued and other current liabilities, and long-term debt (if any). The estimated fair value of our financial instruments at September 30, 2021, and December 31, 2020, approximated or equaled their carrying values as reflected in our condensed consolidated balance sheets.

Assets Measured at Fair Value on a Nonrecurring Basis

            In the first quarter of 2020, the negative future near-term outlook resulting from the continued idling of our Permian drilling assets and current market prices were indicative of potential impairment, resulting in the Company comparing the carrying value of the Permian drilling assets with its estimated fair value. In the first quarter of 2020, we determined that the carrying value of the Permian drilling assets was greater than its estimated fair value. Accordingly, impairment expense of $1.1 million was recorded for our Permian drilling assets during the three months ended March 31, 2020. There was no impairment of assets during the nine months ended September 30, 2021.

          In 2019, the Company entered an agreement with its equipment manufacturer granting the Company the option to purchase additional 108,000 hydraulic horsepower ("HHP") of DuraStim® equipment, with the purchase option expiring at different times through July 31, 2022, as amended. The option fee of $6.1 million, classified as a deposit for property and equipment as part of our pressure pumping reportable segment, was fully impaired and written off in the first quarter of 2020 because it was not probable that the Company will exercise the option to purchase the equipment given the then depressed crude oil prices and other market conditions that resulted in a decline in the demand for our hydraulic fracturing services.

          The total non-cash property and equipment impairment charges recorded during the nine months ended September 30, 2021, and 2020 in our hydraulic fracturing and drilling segments was $0 and $7.2 million, respectively.

          We generally apply fair value techniques to our reporting units on a nonrecurring basis associated with valuing potential impairment loss related to goodwill. Our estimate of the reporting unit fair value is based on a combination of income and market approaches, Level 1 and 3, respectively, in the fair value hierarchy. The income approach involves the use of a discounted cash flow method, with the cash flow projections discounted at an appropriate discount rate. The market approach involves the use of comparable public companies' market multiples in estimating the fair value. Significant assumptions include projected revenue growth, capital expenditures, utilization, gross margins, discount rates, terminal growth rates, and weight allocation between income and market approaches. If the reporting unit's carrying amount exceeds its fair value, we consider goodwill impaired, and the impairment loss is calculated and recorded in the period. There were no additions to, or disposals of, goodwill during the nine months ended September 30, 2021. In the first quarter of 2020, the depressed crude oil prices and crude oil storage challenges faced in the U.S. oil and gas industry triggered the Company to perform an interim goodwill impairment test, and as a result, we compared the carrying value of the goodwill in our hydraulic fracturing reporting unit with the estimated fair value. Our impairment test also considered other relevant factors, including market capitalization and market participants' view of the oil and gas industry in reaching our conclusion that that carrying value of our goodwill in our pressure pumping reportable segment of $9.4 million was fully impaired during the first quarter of 2020. Accordingly, during the nine months ended September 30, 2020, we recorded goodwill impairment of approximately $9.4 million.

-7-

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 4 - Long-Term Debt

Asset-Based Loan ("ABL") Credit Facility

          Our revolving credit facility ("ABL Credit Facility"), as amended, has a total borrowing capacity of $300 million (subject to the Borrowing Base limit), with a maturity date of December 19, 2023. The ABL Credit Facility has a borrowing base of 85% of monthly eligible accounts receivable less customary reserves (the "Borrowing Base"), as redetermined monthly. The Borrowing Base as of September 30, 2021, was approximately $72.7 million. The ABL Credit Facility includes a Springing Fixed Charge Coverage Ratio to apply when excess availability is less than the greater of (i) 10% of the lesser of the facility size or the Borrowing Base or (ii) $22.5 million. Under this facility we are required to comply, subject to certain exceptions and materiality qualifiers, with certain customary affirmative and negative covenants, including, but not limited to, covenants pertaining to our ability to incur liens, indebtedness, changes in the nature of our business, mergers and other fundamental changes, disposal of assets, investments and restricted payments, amendments to our organizational documents or accounting policies, prepayments of certain debt, dividends, transactions with affiliates, and certain other activities. Borrowings under the ABL Credit Facility are secured by a first priority lien and security interest in substantially all assets of the Company.

          Borrowings under the ABL Credit Facility accrue interest based on a three-tier pricing grid tied to availability, and we may elect for loans to be based on either LIBOR or base rate, plus the applicable margin, which ranges from 1.75% to 2.25% for LIBOR loans and 0.75% to 1.25% for base rate loans, with a LIBOR floor of zero.

          The loan origination costs relating to the ABL Credit Facility are classified as an asset in our balance sheet. There were no borrowings under the ABL Credit Facility as of September 30, 2021, and December 31, 2020.

Note 5 - Reportable Segment Information

          The Company has three operating segments for which discrete financial information is readily available: hydraulic fracturing (inclusive of acidizing), cementing and coiled tubing. These operating segments represent how the Chief Operating Decision Maker evaluates performance and allocates resources.

          In accordance with the FASB Accounting Standards Codification ("ASC") 280—Segment Reporting, the Company has one reportable segment (pressure pumping) comprised of the hydraulic fracturing and cementing operating segments. The coiled tubing operating segment and corporate administrative expense (inclusive of our total income tax expense (benefit), other (income) and expense and interest expense) are included in the "all other" category in the table below. Total corporate administrative expense for the three and nine months ended September 30, 2021, was $13.5 million and $25.1 million, respectively. The corporate administrative expense for the three and nine months ended September 30, 2020, was $7.0 million and $27.9 million, respectively.

          Our hydraulic fracturing operating segment revenue approximated 93.4% and 93.5% of our pressure pumping revenue during the three and nine months ended September 30, 2021, respectively. During the three and nine months ended September 30, 2020, our hydraulic fracturing operating segment revenue approximated 95.2% and 94.0% of our pressure pumping revenue, respectively.

          Inter-segment revenues are not material and are not shown separately in the table below.

          The Company manages and assesses the performance of the reportable segment by its adjusted EBITDA (earnings before other income (expense), interest expense, income taxes, depreciation and amortization, stock-based compensation expense, severance and related expense, impairment expense, (gain)/loss on disposal of assets and other unusual or nonrecurring expenses or (income)). A reconciliation from segment level financial information to the consolidated statement of operations is provided in the table below (in thousands):

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 5 - Reportable Segment Information (Continued)

						Three Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Service revenue						$	245,641					$	4,458					$	250,099
Adjusted EBITDA						$	53,975					$	(11,877)					$	42,098
Depreciation and amortization						$	32,536					$	995					$	33,531
Capital expenditures						$	52,904					$	300					$	53,204
Total assets at September 30, 2021						$	1,060,206					$	38,544					$	1,098,750
						Three Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Service revenue						$	131,321					$	2,389					$	133,710
Adjusted EBITDA						$	26,662					$	(9,308)					$	17,354
Depreciation and amortization						$	36,326					$	1,141					$	37,467
Capital expenditures						$	7,571					$	370					$	7,941
Total assets at December 31, 2020						$	1,009,631					$	41,108					$	1,050,739

						Nine Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Service revenue						$	617,293					$	11,151					$	628,444
Adjusted EBITDA						$	132,673					$	(34,866)					$	97,807
Depreciation and amortization						$	97,307					$	2,946					$	100,253
Capital expenditures						$	113,670					$	2,634					$	116,304
Total assets at September 30, 2021						$	1,060,206					$	38,544					$	1,098,750
						Nine Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Service revenue						$	622,055					$	12,833					$	634,888
Adjusted EBITDA						$	139,359					$	(21,671)					$	117,688
Depreciation and amortization						$	114,205					$	3,639					$	117,844
Capital expenditures						$	56,873					$	3,042					$	59,915
Total assets at December 31, 2020						$	1,009,631					$	41,108					$	1,050,739

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 5 - Reportable Segment Information (Continued)

Reconciliation of net income (loss) to adjusted EBITDA (in thousands):

						Three Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Net income (loss)						$	9,058					$	(14,125)					$	(5,067)
Depreciation and amortization						32,536						995						33,531
Interest expense						—						143						143
Income tax benefit						—						(1,279)						(1,279)
Loss on disposal of assets						12,381						43						12,424
Stock-based compensation						—						3,009						3,009
Other expense						—						309						309
Other general and administrative expense(1)						—						(972)						(972)
Adjusted EBITDA						$	53,975					$	(11,877)					$	42,098
						Three Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Net loss						$	(20,920)					$	(8,264)					$	(29,184)
Depreciation and amortization						36,326						1,141						37,467
Interest expense						—						137						137
Income tax benefit						—						(7,717)						(7,717)
Loss on disposal of assets						11,256						30						11,286
Stock-based compensation						—						2,535						2,535
Other expense						—						312						312
Other general and administrative expense(1)						—						2,481						2,481
Severance expense						—						37						37
Adjusted EBITDA						$	26,662					$	(9,308)					$	17,354

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 5 - Reportable Segment Information (Continued)

						Nine Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Net loss						$	(5,426)					$	(28,527)					$	(33,953)
Depreciation and amortization						97,307						2,946						100,253
Interest expense						—						477						477
Income tax benefit						—						(11,639)						(11,639)
Loss (gain) on disposal of assets						40,792						(292)						40,500
Stock-based compensation						—						8,405						8,405
Other income						—						(1,178)						(1,178)
Other general and administrative expense (1)						—						(5,670)						(5,670)
Severance expense						—						612						612
Adjusted EBITDA						$	132,673					$	(34,866)					$	97,807
						Nine Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Net loss						$	(30,140)					$	(32,768)					$	(62,908)
Depreciation and amortization						114,205						3,639						117,844
Impairment expense						15,559						1,095						16,654
Interest expense						1						2,207						2,208
Income tax benefit						—						(15,087)						(15,087)
Loss on disposal of assets						39,659						216						39,875
Stock-based compensation						—						5,968						5,968
Other expense						—						583						583
Other general and administrative expense (1)						—						12,418						12,418
Retention bonus and severance expense						75						58						133
Adjusted EBITDA						$	139,359					$	(21,671)					$	117,688

(1)Other general and administrative expense, (net of reimbursement from insurance carriers) relates to nonrecurring professional fees paid to external consultants in connection with the Company's pending SEC investigation and shareholder litigation, net of insurance recoveries. During the three and nine months ended September 30, 2021, we received reimbursement of approximately $1.4 million and $8.1 million, respectively, from our insurance carriers in connection with the SEC investigation and shareholder litigation.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 6 - Net Loss Per Share

          Basic net loss per common share is computed by dividing the net loss relevant to the common stockholders by the weighted average number of common shares outstanding during the period. Diluted net loss per common share uses the same net loss divided by the sum of the weighted average number of shares of common stock outstanding during the period, plus dilutive effects of options, performance and restricted stock units outstanding during the period calculated using the treasury method and the potential dilutive effects of preferred stocks (if any) calculated using the if-converted method.

          The table below shows the calculations for the three and nine months ended September 30, 2021 and 2020, (in thousands, except for per share data):

						Three Months Ended September 30,
						2021						2020
Numerator (both basic and diluted)
Net loss relevant to common stockholders						$	(5,067)					$	(29,184)
Denominator
Denominator for basic loss per share						103,257						100,897
Dilutive effect of stock options						—						—
Dilutive effect of performance share units						—						—
Dilutive effect of restricted stock units						—						—
Denominator for diluted loss per share						103,257						100,897
Basic loss per share						$	(0.05)					$	(0.29)
Diluted loss per share						$	(0.05)					$	(0.29)

						Nine Months Ended September 30,
						2021						2020
Numerator (both basic and diluted)
Net loss relevant to common stockholders						$	(33,953)					$	(62,908)
Denominator
Denominator for basic loss per share						102,408						100,802
Dilutive effect of stock options						—						—
Dilutive effect of performance share units						—						—
Dilutive effect of restricted stock units						—						—
Denominator for diluted loss per share						102,408						100,802
Basic loss per share						$	(0.33)					$	(0.62)
Diluted loss per share						$	(0.33)					$	(0.62)

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

             As shown in the table below, the following stock options, restricted stock units and performance stock units outstanding as of September 30, 2021 and 2020, respectively, have not been included in the calculation of diluted loss per common share for the three and nine months ended September 30, 2021 and 2020 because they will be anti-dilutive to the calculation of diluted net loss per common share:

(In thousands)
						2021						2020
Stock options						962						4,220
Restricted stock units						1,435						1,218
Performance stock units						1,586						1,042
Total						3,983						6,480

Note 7 - Stock-Based Compensation

Stock Options

          There were no new stock option grants during the nine months ended September 30, 2021. As of September 30, 2021, the aggregate intrinsic value for our outstanding stock options was $2.6 million, and the aggregate intrinsic value for our exercisable stock options was $2.6 million. The aggregate intrinsic value for the exercised stock options during the nine months ended September 30, 2021 was approximately $18.9 million. The remaining exercise period for both the outstanding and exercisable stock options as of September 30, 2021 was 3.9 years.

          A summary of the stock option activity for the nine months ended September 30, 2021 is presented below:

						Number of Shares						Weighted Average Exercise Price
Outstanding at January 1, 2021						4,200						$	4.82
Granted						—						$	—
Exercised						(3,162)						$	3.40
Forfeited						—						$	—
Expired						(76)						$	14.00
Outstanding at September 30, 2021						962						$	8.76
Exercisable at September 30, 2021						962						$	8.76

Restricted Stock Units

         During the nine months ended September 30, 2021, we granted a total of 851,885 restricted stock units ("RSUs") to employees, officers and directors pursuant to the ProPetro Holding Corp. 2020 Long Term Incentive Plan (the "2020 Incentive Plan"), which generally vest ratably over a three-year vesting period, in the case of awards to employees and officers, and generally vest in full after one year, in the case of awards to directors. RSUs are subject to restrictions on transfer and are generally subject to a risk of forfeiture if the award recipient ceases to be an employee or director of the Company prior to vesting of the award. Each RSU represents the right to receive one share of common stock. The grant date fair value of the RSUs is based on the closing share price of our common stock on the date of grant. As of September 30, 2021, the total unrecognized compensation expense for all RSUs was approximately $8.9 million, and is expected to be recognized over a weighted average period of approximately 2.0 years.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 7 - Stock-Based Compensation (Continued)

          The following table summarizes RSUs activity during the nine months ended September 30, 2021:

						Number of Shares						Weighted Average Grant Date Fair Value
Outstanding at January 1, 2021						1,165						$	8.50
Granted						852						$	9.69
Vested						(570)						$	8.58
Forfeited						(12)						$	10.40
Canceled						—						$	—
Outstanding at September 30, 2021						1,435						$	9.16

Performance Share Units

           During the nine months ended September 30, 2021, we granted 650,774 performance share units ("PSUs") to certain key employees and officers as new awards under the 2020 Incentive Plan. The actual number of shares of common stock that may be issued under the PSUs ranges from 0% up to a maximum of 200% of the target number of PSUs granted to the participant, based on our total shareholder return ("TSR") relative to a designated peer group, generally at the end of a three year period. In addition to the TSR conditions, vesting of the PSUs is generally subject to the recipient’s continued employment through the end of the applicable performance period. Compensation expense is recorded ratably over the corresponding requisite service period. The grant date fair value of PSUs is determined using a Monte Carlo probability model. Grant recipients do not have any shareholder rights until performance relative to the peer group has been determined following the completion of the performance period and shares have been issued.

          The following table summarizes information about PSUs activity during the nine months ended September 30, 2021:

Period Granted						Target Shares Outstanding at January 1, 2021						Target Shares Granted						Target Shares Vested						Target Shares Forfeited						Target Shares Outstanding at September 30, 2021						Weighted Average Grant Date FV Per Share
2018						84						—						(84)						—						—						$	27.51
2019						126						—						—						—						126						$	27.49
2020						809						—						—						—						809						$	8.30
2021						—						651						—						—						651						$	14.76
Total						1,019						651						(84)						—						1,586						$	12.48
Weighted Average FV Per Share						$	12.27					$	14.76					$	27.51					$	—					$	12.48

          The total stock-based compensation expense for the nine months ended September 30, 2021 and 2020 for all stock awards was $8.4 million and $6.0 million, respectively. The total unrecognized stock-based compensation expense as of September 30, 2021 was approximately $19.5 million, and is expected to be recognized over a weighted average period of approximately 2.0 years.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 8 - Related-Party Transactions

Corporate Office Building

          Prior to April 2020, the Company rented its corporate office building and the associated real property from an entity, in which a former executive officer of the Company has an equity interest for approximately $0.1 million per year. In April 2020, the Company acquired the corporate office building and the associated real property for approximately $1.5 million.

Operations and Maintenance Yards

           The Company also leases five yards from an entity, in which certain former executive officers and a director of the Company have equity interests and the total annual rent expense for each of the five yards was approximately $0.03 million, $0.03 million, $0.1 million, $0.1 million, and $0.2 million, respectively. The Company also leased its drilling yard from another entity, in which a certain former executive officer of the Company has an equity interest, for an annual lease expense of approximately $0.1 million. In November 2020, we terminated the drilling yard lease.

Equipment Rental and Other Services

         The Company obtains equipment maintenance services from an entity that has a family relationship with an executive officer of the Company. During the nine months ended September 30, 2021 and 2020, the Company incurred approximately $0 and $1.2 million, respectively, for equipment maintenance services associated with this related party.

         At September 30, 2021 and December 31, 2020, the Company had no outstanding payables or receivables to or from the above related party transactions.

Pioneer

          On December 31, 2018, we consummated the purchase of certain pressure pumping assets and real property from Pioneer Natural Resources USA, Inc. ("Pioneer") and Pioneer Pumping Services (the "Pioneer Pressure Pumping Acquisition"). In connection with the Pioneer Pressure Pumping Acquisition, Pioneer received 16.6 million shares of our common stock and approximately $110.0 million in cash.

          Revenue from services provided to Pioneer (including idle fees) accounted for approximately $147.3 million and $68.3 million of our total revenue during the three months ended September 30, 2021 and 2020, respectively. Revenue from services provided to Pioneer (including idle fees) accounted for approximately $364.3 million and $259.9 million of our total revenue during the nine months ended September 30, 2021 and 2020, respectively.

          In connection with the Pioneer Pressure Pumping Acquisition, the Company agreed to reimburse Pioneer for our portion of the retention bonuses paid to former Pioneer employees that were subsequently employed by the Company. During the nine months ended September 30, 2021 and 2020, the Company reimbursed Pioneer approximately $0 and $2.7 million, respectively.

          As of September 30, 2021, the total accounts receivable due from Pioneer, including estimated unbilled receivable for services (including idle fees) we provided, amounted to approximately $89.4 million and the amount due to Pioneer was $0. As of December 31, 2020, the balance due from Pioneer for services (including idle fees) we provided amounted to approximately $41.7 million and the amount due to Pioneer was $0.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 9 - Leases

Operating Leases

 Description of Lease

          In March 2013, we entered into a ten year real estate lease contract (the "Real Estate Lease") with a commencement date of April 1, 2013, as part of the expansion of our equipment yard. The lease is with an entity in which a former director of the Company has a noncontrolling equity ownership interest. During the nine months ended September 30, 2021 and 2020, the Company made lease payments of approximately $0.3 million and $0.3 million, respectively. The assets and liabilities under this contract are equally allocated between our cementing and coiled tubing segments. In addition to the contractual lease period, the contract includes an optional renewal of up to ten years, and in management's judgment the exercise of the renewal option is not reasonably assured. The contract does not include a residual value guarantee, covenants or financial restrictions. Further, the Real Estate Lease does not contain variability in payments resulting from either an index change or rate change. Effective January 1, 2019, the remaining lease term in our present value estimate of the minimum future lease payments was four years.

         We accounted for our Real Estate Lease to be an operating lease. Our assumptions resulted from the existence of the right to control the use of the assets throughout the lease term. We did not account for the land separately from the building of the real estate lease because we concluded that the accounting effect was insignificant. As of September 30, 2021, the weighted average discount rate and remaining lease term was 6.7% and 1.5 years, respectively.

          As of September 30, 2021, the total operating lease right-of-use asset cost was approximately $1.2 million, and accumulated amortization was approximately $0.8 million.  As of December 31, 2020, our total operating lease right-of-use asset cost was approximately $1.2 million, and accumulated amortization was $0.5 million. For the nine months ended September 30, 2021 and 2020, we recorded operating lease cost of approximately $0.3 million and $0.3 million, respectively, in our statement of operations.

Finance Leases

Description of Ground Lease

          In 2018, we entered into a ten year land lease contract (the "Ground Lease") with an exclusive option to purchase the land exercisable beginning one year from the commencement date of October 1, 2018 through the end of the contractual lease term. In March 2020, the Company exercised its option and purchased the land associated with the Ground Lease for approximately $2.5 million.

Maturity Analysis of Lease Liabilities

          The maturity analysis of liabilities and reconciliation to undiscounted and discounted remaining future lease payments for our operating lease as of September 30, 2021 are as follows:

($ in thousands)						Totals
2021						$	95
2022						389
2023						98
Total undiscounted future lease payments						582
Less: amount representing interest						(30)
Present value of future lease payments (lease obligation)						$	552

          The total cash paid for amounts included in the measurement of our operating lease liability during the nine months ended September 30, 2021 was approximately $0.3 million. During the nine months ended September 30, 2020, total cash paid for amounts included in the measurement of our operating and finance lease liabilities was approximately $0.3 million and $0.03 million, respectively.

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 9 - Leases (Continued)

Short-Term Leases

          We elected the practical expedient, consistent with ASC 842, to exclude leases with an initial term of twelve months or less ("short-term lease") from our balance sheet and continue to record short-term leases as a period expense. For the nine months ended September 30, 2021 and 2020 our short-term lease expense was approximately $0.4 million and $0.8 million, respectively.

          In April 2021, we entered into a short-term lease arrangement to lease our gas turbine (the "Equipment Lease"') with a commencement date of June 1, 2021 through September 30, 2021. We have classified the Equipment Lease as an operating lease, and during the three and nine ended September 30, 2021, we recognized approximately $2.3 million and $3.0 million, respectively in lease income recorded as part of our pressure pumping segment revenue on our statements of operations.

Note 10 - Commitments and Contingencies

Commitments

          We entered into certain commitments for fixed assets, consumables and services incidental to the ordinary conduct of our business, generally for quantities required for our businesses and at competitive market prices. These commitments are designed to assure sources of supply and are not expected to be in excess of normal requirements. As of September 30, 2021, the total outstanding contractual commitments entered into as part of normal course of business for supply of certain equipment and other assets was approximately $1.0 million. At September 30, 2021, the total remaining lease commitments for all of our short-term leases and lodging commitments was approximately $4.3 million.

          The Company enters into purchase agreements with its sand suppliers (the "Sand Suppliers") to secure supply of sand as part of its normal course of business. The agreements with the Sand Suppliers require that the Company purchase a minimum volume of sand, based primarily on a certain percentage of our sand requirements from our customers or in certain situations based on predetermined fixed minimum volumes, otherwise certain penalties (shortfall fees) may be charged. The shortfall fee represents liquidated damages and is based on a fixed price per ton of unpurchased volumes. Our agreements with the Sand Suppliers expire at different times prior to December 31, 2025. During the nine months ended September 30, 2021 and 2020, no shortfall fee was recorded. However, one of our Sand Suppliers has filed a suit against us that includes claims related to alleged shortfall fees. The suit is in the early stages, and we are contesting the claims. While we cannot reasonably estimate the outcome of the matter at this time, in the opinion of management, the ultimate disposition of the action will not have a materially adverse effect on the Company. One of the Sand Suppliers (“SandCo”) we entered into an agreement to purchase sand ("Texas Sand") has an indirect relationship with a former executive officer of the Company, because beginning in 2018, the Texas Sand was sourced from a mine located on land owned by an entity in which the former executive officer of the Company has a 44% noncontrolling equity interest. The total sand purchased from SandCo during the three months ended March 31, 2020 (the period the former executive was associated with the Company) was approximately $5.3 million.

          As of September 30, 2021, the Company had issued letters of credit of approximately $3.7 million under the ABL Credit Facility in connection with the Company’s casualty insurance policy.

Contingent Liabilities

Legal Matters

           In September 2019, a complaint, captioned Richard Logan, Individually and On Behalf of All Others Similarly Situated, Plaintiff, v. ProPetro Holding Corp., et al., (the "Logan Lawsuit"), was filed against the Company and certain of its then current and former officers and directors in the U.S. District Court for the Western District of Texas.

          In July 2020, the Logan Lawsuit Lead Plaintiffs Nykredit Portefølje Administration A/S, Oklahoma Firefighters Pension and Retirement System, Oklahoma Law Enforcement Retirement System, Oklahoma Police Pension and Retirement System, and Oklahoma City Employee Retirement System, and additional named plaintiff Police and Fire Retirement System of the City of Detroit, individually and on behalf of a putative class of shareholders who purchased the Company’s common stock between March 17, 2017 and March 13, 2020, filed a third amended class action complaint in the U.S. District Court for the Western District of Texas, alleging violations of Sections 10(b) and 20(a) of the Exchange Act, as amended, and Rule l0b-5 promulgated thereunder, and Sections 11 and 15 of the Securities Act of 1933, as amended, based on allegedly inaccurate or misleading statements, or omissions of material facts, about the Company’s business, operations and prospects against the Company, certain former officers and current and former directors. In August 2020, the Company filed a motion to dismiss the Logan Lawsuit and in September 2020, the plaintiffs filed their opposition. In October 2020, the Company filed its reply brief in

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PROPETRO HOLDING CORP.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 10 - Commitments and Contingencies (Continued)

support of the motion to dismiss. On September 13, 2021, the Court partially granted and partially denied the motions to dismiss filed by the Company and the individual defendants.

           In May 2020, the U.S. District Court for the Western District of Texas consolidated two shareholder derivative lawsuits previously filed against the Company and certain of its current and former officers and directors into a single lawsuit captioned In re ProPetro Holding Corp. Derivative Litigation (the "Shareholder Derivative Lawsuit"). In August 2020, the plaintiffs in the Shareholder Derivative Lawsuit filed a consolidated complaint alleging (i) breaches of fiduciary duties, (ii) unjust enrichment and (iii) contribution. The plaintiffs did not quantify any alleged damages in their complaint but, in addition to attorneys’ fees and costs, they seek various forms of relief, including (i) damages sustained by the Company as a result of the alleged misconduct, (ii) punitive damages and (iii) equitable relief in the form of improvements to the Company’s governance and controls. In October 2020, the Company and other defendants filed motions to dismiss the Shareholder Derivative Lawsuit and in December 2020, the plaintiffs filed their opposition. In January 2021, the Company and other defendants filed reply briefs in support of the motions to dismiss. On September 15, 2021, the Court granted the Company's motion to dismiss the complaint in its entirety, without prejudice.

           In October 2019, the Company received a letter from the SEC indicating that the SEC had opened an investigation into the Company, which followed the SEC’s issuance of a formal order of investigation, and requesting that the Company provide certain information and documents, including documents related to the Company's expanded audit committee review and related events. The Company has cooperated and expects to continue to cooperate with the SEC’s investigation.

           We are presently unable to predict the duration, scope or result of the Logan Lawsuit, the SEC investigation, or any other related lawsuit or investigation. As of September 30, 2021, no provision was made by the Company in connection with these pending lawsuits and the SEC investigation as the final outcome cannot be reasonably estimated.

Environmental and Equipment Insurance

          The Company is subject to various federal, state and local environmental laws and regulations that establish standards and requirements for protection of the environment. The Company cannot predict the future impact of such standards and requirements, which are subject to change and can have retroactive effectiveness. The Company continues to monitor the status of these laws and regulations. Currently, the Company has not been fined, cited or notified of any environmental violations that would have a material adverse effect upon its financial position, liquidity or capital resources. However, management does recognize that by the very nature of the Company's business, material costs could be incurred in the near term to maintain compliance. The amount of such future expenditures is not determinable due to several factors, including the unknown magnitude of possible regulation or liabilities, the unknown timing and extent of the corrective actions which may be required, the determination of the Company's liability in proportion to other responsible parties and the extent to which such expenditures are recoverable from insurance or indemnification.

          Effective November 2021 and in connection with our equipment insurance program renewal, the Company will self-insure up to $10 million per occurrence for certain losses arising from or attributable to fire and/or explosion at the wellsites.

Regulatory Audits

           In 2020, the Texas Comptroller of Public Accounts commenced a routine audit of the Company's motor vehicle and other related fuel taxes for the periods of July 2015 through December 2020. As of September 30, 2021, the audit is still at an early stage and the final outcome cannot be reasonably estimated.

           In 2021, the Texas Comptroller of Public Accounts completed a routine audit of gross receipts, and sales, excise and use taxes for the periods of July 2015 through December 2018. The net refund to the Company from the sales and excise and use tax audit was approximately $2.1 million, which was recorded as part of other income in our statement of operations during the three months ended March 31, 2021.

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ITEM 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

          The financial information, discussion and analysis that follow should be read in conjunction with our consolidated financial statements and the related notes included in the Form 10-K as well as the financial and other information included therein.

          Unless otherwise indicated, references in this "Management's Discussion and Analysis of Financial Condition and Results of Operations" to the "Company," "we," "our," "us" or like terms refer to ProPetro Holding Corp. and its subsidiary.

Overview

          We are a Midland, Texas-based oilfield services company providing hydraulic fracturing and other complementary services to leading upstream oil and gas companies engaged in the exploration and production ("E&P") of North American unconventional oil and natural gas resources. Our operations are primarily focused in the Permian Basin, where we have cultivated long-standing customer relationships with some of the region's most active and well-capitalized E&P companies. The Permian Basin is widely regarded as one of the most prolific oil-producing area in the United States, and we believe we are one of the largest providers of hydraulic fracturing services in the region by hydraulic horsepower ("HHP").

          Our total available HHP as of September 30, 2021, was 1,423,000 HHP, which was comprised of 70,000 HHP of our Tier IV Dynamic Gas Blending ("DGB") equipment, 1,245,000 HHP of conventional Tier II equipment and 108,000 HHP of our DuraStim® electric hydraulic fracturing equipment. Our fleet could range from approximately 50,000 to 80,000 HHP depending on the job design and customer demand at the wellsite. With the industry transition to lower emissions equipment and simultaneous hydraulic fracturing, in addition to several other changes to our customers' job designs, we believe that our available fleet capacity could decline if we decide to reconfigure our fleets to increase active HHP and backup HHP at the wellsites based on our customers' operational needs or as we retire and replace our conventional Tier II equipment. In addition, in September 2021, we placed an order with our equipment manufacturers for 125,000 HHP of additional Tier IV DGB equipment, which we expect to be delivered at different times beginning in December 2021, and continuing through the first half of 2022. We expect to use this new equipment to convert some of our existing conventional Tier II equipment to lower emissions Tier IV DGB equipment.

          In 2019, we entered into a purchase commitment for 108,000 HHP of DuraStim® electric powered hydraulic fracturing equipment, which is currently undergoing periodic field trials and has yet to be commercialized. During the second quarter of 2021, we increased the scope of our DuraStim® equipment field trials by increasing the number of DuraStim® pumps deployed to our customer's wellsites. As we continue with our field trials, the ideal number of DuraStim® pumps that constitute a fleet will depend on a combination of factors, including the ultimate operating performance of DuraStim® pumps following the completion of testing, the particular shale formation where a well is completed, customer service requirements and job design. The Company intends to commercialize its first DuraStim® fleet in 2022, subject to the completion of successful testing. Largely due to supply chain disruptions impacting the continuing testing process, the timing for the Company's ultimate decisions regarding DuraStim® commercialization may be extended. We also have an option to purchase up to an additional 108,000 HHP of DuraStim® hydraulic fracturing equipment in the future through July 31, 2022. We currently have two gas turbines, one of which has provided electrical power to our DuraStim® fleet. In the future, we may utilize alternative power solutions for our electric equipment, and, consequently, may lease or sell one or both of the gas turbines.

          Our competitors include many large and small oilfield services companies, including Halliburton Company, Liberty Oilfield Services Inc., Nextier Oilfield Solutions Inc., Patterson-UTI Energy Inc., RPC, Inc., FTS International Inc. and a number of private and locally-oriented businesses. The markets in which we operate are highly competitive. To be successful, an oilfield services company must provide services that meet the specific needs of E&P companies at competitive prices. Competitive factors impacting sales of our services are price, reputation, technical expertise, emissions profile, service and equipment design and quality, and health and safety standards. Although our customers consider all of these factors, we believe price is a key factor in E&P companies' criteria in choosing a service provider. However, we have recently observed the energy industry and our customers shift to lower emissions equipment, which we believe will be an increasingly important factor in an E&P company's selection of a service provider. The transition to lower emissions equipment has been challenging for companies in the service industry because of the capital requirements, and the continuing depressed pricing experienced by the service industry. While we seek to price our services competitively, we believe many of our customers elect to work with us based on our operational efficiencies, productivity, equipment quality, reliability, ability to manage complex logistics challenges, commitment to safety and the ability of our people to handle the most complex Permian Basin well completions.

          Our substantial market presence in the Permian Basin positions us well to capitalize on drilling and completion activity in the region. Primarily, our operational focus has been in the Permian Basin's Midland sub-basin, where our customers have operated. However, we are well-positioned to increase our activity in the Delaware sub-basin in response to demand from our customers. Over time, we expect the Permian Basin's Midland and Delaware sub-basins to continue to command a disproportionate share of future North American E&P spending.

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          Through our pressure pumping segment (which also includes our cementing operations), we primarily provide hydraulic fracturing services to E&P companies in the Permian Basin. Our hydraulic fracturing fleet has been designed to handle Permian Basin specific operating conditions and the region's increasingly high-intensity well completions (including simultaneous hydraulic fracturing), which are characterized by longer horizontal wellbores, more stages per lateral and increasing amounts of proppant per well.

           In addition to our core pressure pumping segment operations, which includes our cementing operations, we also offer coiled tubing services. We believe our coiled tubing services create operational efficiencies for our customers and could allow us to capture a greater portion of their capital spending across the lifecycle of a well.

Commodity Price and Other Economic Conditions

          The oil and gas industry has traditionally been volatile and is influenced by a combination of long-term, short-term and cyclical trends, including domestic and international supply and demand for oil and gas, current and expected future prices for oil and gas and the perceived stability and sustainability of those prices, and capital investments of E&P companies toward their development and production of oil and gas reserves. The oil and gas industry is also impacted by general domestic and international economic conditions such as supply chain disruptions and inflation, political instability in oil producing countries, government regulations (both in the United States and internationally), levels of consumer demand, adverse weather conditions, and other factors that are beyond our control.

          The global public health crisis associated with the COVID-19 pandemic could continue to have an adverse effect on global economic activity for the foreseeable future. Some of the challenges resulting from the COVID-19 pandemic that have impacted our business include restrictions on movement of personnel and associated gatherings, shortage of skilled labor, cost inflation and supply chain disruptions. Additionally, with most of the large, capitalized E&P companies in the United States, including our customers, closely managing their operating budget and exercising capital discipline, we do not currently expect significant increases in crude oil production over the short-to-medium term. Furthermore, OPEC+ has indicated that they will continue with their plans to manage production levels by gradually increasing crude oil output.With the tightness in crude oil production and growing demand for crude oil, there has been a significant increase in rig count and WTI crude oil prices have increased to over $84 per barrel in October 2021 from its lowest point of $20 per barrel in March 2020. The Permian Basin rig count has increased significantly from approximately 124 at the beginning of August 2020 to approximately 268 at the end of October 2021, according to Baker Hughes. Although crude oil prices are currently at a 7-year high, the oilfield services industry, including the pressure pumping segment, has not fully recovered as evidenced by continued depressed pricing for most of our services, and shortages of skilled labor force in the Permian Basin. However, we still believe that the Permian Basin, our primary area of operation, will be the most attractive basin to E&P companies and should command higher prices and associated profitability, if the overall demand for crude oil and our services continue to increase.

          Government regulations and investors are demanding the oil and gas industry transition to a lower emissions operating environment, including the upstream and oilfield service companies. As a result, we are working with our customers and equipment manufacturers to transition to a lower emissions profile. Currently, a number of lower emission solutions for pumping equipment, including Tier IV DGB, electric, direct drive gas turbine and other technologies have been developed, and we expect additional lower emission solutions will be developed in the future. We are continually evaluating these technologies and other investment and acquisition opportunities that would support our existing and new customer relationships. The transition to lower emissions equipment is quickly evolving and will be capital intensive. Over time, we may be required to convert substantially all of our conventional Tier II equipment to lower emissions equipment. If we are unable to quickly transition to lower emissions equipment and meet our and our customers’ emissions goals, the demand for our services could be adversely impacted.

          The Permian Basin rig count increase, WTI crude oil price increase and costs inflation could be indicative of an energy market recovery. If the rig count and market conditions continue to improve, including improved customers' pricing and labor availability, and we are able to meet our customers' lower emissions equipment demands, we believe our operational and financial results will also continue to improve. However, if market conditions do not improve, and we are unable to increase our pricing or pass-through future cost increases to our customers, there could be a material adverse impact on our business, results of operations and cash flows.

          Our results of operations have historically reflected seasonal tendencies, typically in the fourth quarter, relating to the holiday season, inclement winter weather and exhaustion of our customers' annual budgets. As a result, we typically experience declines in our operating and financial results in November and December, even in a stable commodity price and operations environment.

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How We Evaluate Our Operations 

          Our management uses Adjusted EBITDA or Adjusted EBITDA margin to evaluate and analyze the performance of our various operating segments.

Adjusted EBITDA and Adjusted EBITDA Margin

          We view Adjusted EBITDA and Adjusted EBITDA margin as important indicators of performance. We define EBITDA as our earnings, before (i) interest expense, (ii) income taxes and (iii) depreciation and amortization. We define Adjusted EBITDA as EBITDA, plus (i) loss/(gain) on disposal of assets, (ii) stock-based compensation, and (iii) other unusual or nonrecurring (income)/expenses, such as impairment charges, severance, costs related to asset acquisitions, insurance recoveries and one-time professional fees on legal settlements. Adjusted EBITDA margin reflects our Adjusted EBITDA as a percentage of our revenues.

          Adjusted EBITDA and Adjusted EBITDA margin are supplemental measures utilized by our management and other users of our financial statements such as investors, commercial banks, and research analysts, to assess our financial performance because it allows us and other users to compare our operating performance on a consistent basis across periods by removing the effects of our capital structure (such as varying levels of interest expense), asset base (such as depreciation and amortization), nonrecurring (income)/expenses and items outside the control of our management team (such as income taxes). Adjusted EBITDA and Adjusted EBITDA margin have limitations as analytical tools and should not be considered as an alternative to net income/(loss), operating income/(loss), cash flow from operating activities or any other measure of financial performance presented in accordance with GAAP.

Note Regarding Non-GAAP Financial Measures

          Adjusted EBITDA and Adjusted EBITDA margin are not financial measures presented in accordance with GAAP ("non-GAAP"), except when specifically required to be disclosed by GAAP in the financial statements. We believe that the presentation of Adjusted EBITDA and Adjusted EBITDA margin provide useful information to investors in assessing our financial condition and results of operations because it allows them to compare our operating performance on a consistent basis across periods by removing the effects of our capital structure, asset base, nonrecurring expenses (income) and items outside the control of the Company. Net income (loss) is the GAAP measure most directly comparable to Adjusted EBITDA.  Adjusted EBITDA and Adjusted EBITDA margin should not be considered as alternatives to the most directly comparable GAAP financial measure. Each of these non-GAAP financial measures has important limitations as analytical tools because they exclude some, but not all, items that affect the most directly comparable GAAP financial measures. You should not consider Adjusted EBITDA or Adjusted EBITDA margin in isolation or as a substitute for an analysis of our results as reported under GAAP. Because Adjusted EBITDA and Adjusted EBITDA margin may be defined differently by other companies in our industry, our definitions of these non-GAAP financial measures may not be comparable to similarly titled measures of other companies, thereby diminishing their utility.

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Reconciliation of net income (loss) to Adjusted EBITDA (in thousands):

						Three Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Net income (loss)						$	9,058					$	(14,125)					$	(5,067)
Depreciation and amortization						32,536						995						33,531
Interest expense						—						143						143
Income tax benefit						—						(1,279)						(1,279)
Loss on disposal of assets						12,381						43						12,424
Stock-based compensation						—						3,009						3,009
Other expense						—						309						309
Other general and administrative expense(1)						—						(972)						(972)
Adjusted EBITDA						$	53,975					$	(11,877)					$	42,098
						Three Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Net loss						$	(20,920)					$	(8,264)					$	(29,184)
Depreciation and amortization						36,326						1,141						37,467
Interest expense						—						137						137
Income tax benefit						—						(7,717)						(7,717)
Loss on disposal of assets						11,256						30						11,286
Stock-based compensation						—						2,535						2,535
Other expense						—						312						312
Other general and administrative expense(1)						—						2,481						2,481
Severance expense						—						37						37
Adjusted EBITDA						$	26,662					$	(9,308)					$	17,354

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						Nine Months Ended September 30, 2021
						Pressure Pumping						All Other						Total
Net loss						$	(5,426)					$	(28,527)					$	(33,953)
Depreciation and amortization						97,307						2,946						100,253
Interest expense						—						477						477
Income tax benefit						—						(11,639)						(11,639)
Loss (gain) on disposal of assets						40,792						(292)						40,500
Stock-based compensation						—						8,405						8,405
Other income						—						(1,178)						(1,178)
Other general and administrative expense (1)						—						(5,670)						(5,670)
Severance expense						—						612						612
Adjusted EBITDA						$	132,673					$	(34,866)					$	97,807
						Nine Months Ended September 30, 2020
						Pressure Pumping						All Other						Total
Net loss						$	(30,140)					$	(32,768)					$	(62,908)
Depreciation and amortization						114,205						3,639						117,844
Impairment expense						15,559						1,095						16,654
Interest expense						1						2,207						2,208
Income tax benefit						—						(15,087)						(15,087)
Loss on disposal of assets						39,659						216						39,875
Stock-based compensation						—						5,968						5,968
Other expense						—						583						583
Other general and administrative expense (1)						—						12,418						12,418
Retention bonus and severance expense						75						58						133
Adjusted EBITDA						$	139,359					$	(21,671)					$	117,688

(1)Other general and administrative expense, (net of reimbursement from insurance carriers) relates to nonrecurring professional fees paid to external consultants in connection with the Company's pending SEC investigation and shareholder litigation, net of insurance recoveries. During the three and nine months ended September 30, 2021, we received reimbursement of approximately $1.4 million and $8.1 million, respectively, from our insurance carriers in connection with the SEC investigation and shareholder litigation.

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Results of Operations 

          We conducted our business through three operating segments: hydraulic fracturing, cementing and coiled tubing. In March 2020, the Company shut down its flowback operating segment and subsequently disposed of the assets for approximately $1.6 million. In September 2020, the Company disposed of all of its drilling rigs and ancillary assets for approximately $0.5 million and shut down its drilling operations. For reporting purposes, the hydraulic fracturing and cementing operating segments are aggregated into our one reportable segment—pressure pumping. The coiled tubing operating segment and corporate administrative expenses (inclusive of our total income tax expense (benefit), other (income) and expense and interest expense) are included in the "all other" category. Total corporate administrative expense for the three and nine months ended September 30, 2021 was $13.5 million and $25.1 million, respectively. The corporate administrative expense for the three and nine months ended September 30, 2020 was $7.0 million and $27.9 million, respectively.

          Our hydraulic fracturing operating segment revenue approximated 93.4% and 93.5% of our pressure pumping revenue during the three and nine months ended September 30, 2021, respectively. During the three and nine months ended September 30, 2020, our hydraulic fracturing operating segment revenue approximated 95.2% and 94.0% of our pressure pumping revenue, respectively.

          The following table sets forth the results of operations for the periods presented:

(in thousands, except for percentages)						Three Months Ended  September 30,												Change  Increase (Decrease)
						2021						2020						$						%
Revenue						$	250,099					$	133,710					$	116,389					87.0		%
Less (Add):
Cost of services (1)						188,690						99,592						89,098						89.5		%
General and administrative expense (2)						21,348						21,817						(469)						(2.1)		%
Depreciation and amortization						33,531						37,467						(3,936)						(10.5)		%
Loss on disposal of assets						12,424						11,286						1,138						10.1		%
Interest expense						143						137						6						4.4		%
Other expense						309						312						(3)						(1.0)		%
Income tax benefit						(1,279)						(7,717)						(6,438)						(83.4)		%
Net loss						$	(5,067)					$	(29,184)					$	(24,117)					(82.6)		%
Adjusted EBITDA (3)						$	42,098					$	17,354					$	24,744					142.6		%
Adjusted EBITDA Margin (3)						16.8		%				13.0		%				3.8		%				29.2		%
Pressure pumping segment results of operations:
Revenue						$	245,641					$	131,321					$	114,320					87.1		%
Cost of services						$	184,972					$	97,362					$	87,610					90.0		%
Adjusted EBITDA (3)						$	53,975					$	26,662					$	27,313					102.4		%
Adjusted EBITDA Margin (4)						22.0		%				20.3		%				1.7		%				8.4		%

(1)Exclusive of depreciation and amortization.

(2)Inclusive of stock-based compensation.

(3)For definitions of the non-GAAP financial measures of Adjusted EBITDA and Adjusted EBITDA margin and reconciliation of Adjusted EBITDA to our most directly comparable financial measures calculated in accordance with GAAP, please read "How We Evaluate Our Operations". Included in our Adjusted EBITDA is idle fees of $0 and $6.9 million for the three months ended September 30, 2021 and 2020, respectively.

(4)The non-GAAP financial measure of Adjusted EBITDA margin for the pressure pumping segment is calculated by taking Adjusted EBITDA for the pressure pumping segment as a percentage of our revenue for the pressure pumping segment.

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Three Months Ended September 30, 2021 Compared to the Three Months Ended September 30, 2020

          Revenues.    Revenues increased 87.0%, or $116.4 million, to $250.1 million during the three months ended September 30, 2021, as compared to $133.7 million during the three months ended September 30, 2020. Our pressure pumping segment revenues increased 87.1%, or $114.3 million, for the three months ended September 30, 2021, as compared to the three months ended September 30, 2020. The increases were primarily attributable to the significant increase in demand for pressure pumping services, following the rebound from the depressed oil prices and slowdown in economic activity resulting from the COVID-19 pandemic. The increase in demand for our pressure pumping services resulted in a significant increase in our average effectively utilized fleet count to approximately 13.8 active fleets during the three months ended September 30, 2021 from approximately 8.5 active fleets for the three months ended September 30, 2020. In addition, we increased our operational efficiencies and improved pricing across our customer base during the three months ended September 30, 2021. Included in our revenue for the three months ended September 30, 2021 and 2020 was revenue generated from idle fees charged to our customer of approximately $0 and $6.9 million, respectively.

          Revenues from services other than pressure pumping increased 86.6%, or $2.1 million, to $4.5 million for the three months ended September 30, 2021, as compared to $2.4 million for the three months ended September 30, 2020. The increase in revenue from services other than pressure pumping was primarily attributable to the increase in utilization experienced by our coiled tubing operations, which was driven by increased E&P completions activity following the recovery from the depressed oil prices and impact of the COVID-19 pandemic.

          Cost of Services.    Cost of services increased 89.5%, or $89.1 million, to $188.7 million for the three months ended September 30, 2021, as compared to $99.6 million during the three months ended September 30, 2020. Cost of services in our pressure pumping segment increased $87.6 million for the three months ended September 30, 2021, as compared to the three months ended September 30, 2020. These increases were primarily attributable to the significantly increased activity levels resulting from the increased demand for our services following the rebound from the depressed oil prices and economic slowdown caused by the COVID-19 pandemic that negatively impacted E&P completions activity in 2020. As a percentage of pressure pumping segment revenues (including idle fees), pressure pumping cost of services was 75.3% for the three months ended September 30, 2021, as compared to 74.1% for the three months ended September 30, 2020. Our revenue during the three months ended September 30, 2020, included significant idle fee revenue. Excluding idle fees revenue of $0 and $6.9 million recorded during the three months ended September 30, 2021 and 2020, respectively, our pressure pumping cost of services as a percentage of pressure pumping revenues decreased to 75.3% during the three months ended September 30, 2021, as compared to 78.3% for the three months ended September 30, 2020. The decrease was a result of increased customer activity levels and operational efficiencies.

          General and Administrative Expenses.    There was no significant change in general and administrative expenses. General and administrative expenses decreased 2.1%, or $0.5 million, to $21.3 million for the three months ended September 30, 2021, as compared to $21.8 million for the three months ended September 30, 2020.

          Depreciation and Amortization.    Depreciation and amortization decreased 10.5%, or $3.9 million, to $33.5 million for the three months ended September 30, 2021, as compared to $37.5 million for the three months ended September 30, 2020. The decrease was primarily attributable to the decrease in our fixed asset base, partly attributable to the impairment and disposal of certain fixed assets in 2020.

          Loss on Disposal of Assets.    Loss on the disposal of assets increased 10.1%, or $1.1 million, to $12.4 million for the three months ended September 30, 2021, as compared to $11.3 million for the three months ended September 30, 2020. The increase was primarily attributable to the significant increase in utilization resulting in an increase in the operational intensity on our equipment. Upon sale or retirement of property and equipment, including certain major components of our pressure pumping equipment that are replaced, the cost and related accumulated depreciation are removed from the balance sheet and the net amount is recognized as loss on disposal of assets.

          Interest Expense.    There was no significant change in interest expense. Interest expense was relatively flat at $0.1 million for the three months ended September 30, 2021, as compared to $0.1 million for the three months ended September 30, 2020. During the three months ended September 30, 2021 and three months ended September 30, 2020, the Company had a zero debt balance, and the interest expense in the three months ended September 30, 2021 and three months ended September 30, 2020, relates primarily to the amortization of our capitalized loan origination cost.

          Other Expense.    There was no significant change in other expense. Other expense was $0.3 million for the three months ended September 30, 2021, as compared to $0.3 million for the three months ended September 30, 2020. A significant portion of our other expense consists of our lender's commitment fees.

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          Income Taxes.    Total income tax benefit was $1.3 million resulting in an effective tax rate of 20.1% for the three months ended September 30, 2021, as compared to income tax benefit of $7.7 million or an effective tax rate of 20.9% for the three months ended September 30, 2020. The reduction in the income tax benefit recorded in the three months ended September 30, 2021 is primarily attributable to the Company projecting a much lower pre-tax loss in 2021 as compared to that in 2020. Furthermore, there was no significant change in the effective tax rate from 20.9% to 20.1% in the three months ended September 30, 2021.

          The following table sets forth the results of operations for the periods presented:

(in thousands, except for percentages)						Nine Months Ended  September 30,												Change  Increase (Decrease)
						2021						2020						$						%
Revenue						$	628,444					$	634,888					$	(6,444)					(1.0)		%
Less (Add):
Cost of services (1)						474,905						468,633						6,272						1.3		%
General and administrative expense (2)						59,079						67,086						(8,007)						(11.9)		%
Depreciation and amortization						100,253						117,844						(17,591)						(14.9)		%
Impairment expense						—						16,654						(16,654)						(100.0)		%
Loss on disposal of assets						40,500						39,875						625						1.6		%
Interest expense						477						2,208						(1,731)						(78.4)		%
Other (income)/expense						(1,178)						583						(1,761)						(302.1)		%
Income tax benefit						(11,639)						(15,087)						(3,448)						(22.9)		%
Net loss						$	(33,953)					$	(62,908)					$	(28,955)					(46.0)		%
Adjusted EBITDA (3)						$	97,807					$	117,688					$	(19,881)					(16.9)		%
Adjusted EBITDA Margin (3)						15.6		%				18.5		%				(2.9)		%				(15.7)		%
Pressure pumping segment results of operations:
Revenue						$	617,293					$	622,055					$	(4,762)					(0.8)		%
Cost of services						$	464,230					$	457,577					$	6,653					1.5		%
Adjusted EBITDA (3)						$	132,673					$	139,359					$	(6,686)					(4.8)		%
Adjusted EBITDA Margin (4)						21.5		%				22.4		%				(0.9)		%				(4.0)		%

(1)Exclusive of depreciation and amortization.

(2)Inclusive of stock-based compensation.

(3)For definitions of the non-GAAP financial measures of Adjusted EBITDA and Adjusted EBITDA margin and reconciliation of Adjusted EBITDA to our most directly comparable financial measures calculated in accordance with GAAP, please read "How We Evaluate Our Operations". Included in our Adjusted EBITDA is idle fees of $5.3 million and $41.1 million for the nine months ended September 30, 2021 and 2020, respectively.

(4)The non-GAAP financial measure of Adjusted EBITDA margin for the pressure pumping segment is calculated by taking Adjusted EBITDA for the pressure pumping segment as a percentage of our revenue for the pressure pumping segment.

Nine Months Ended September 30, 2021 Compared to the Nine Months Ended September 30, 2020

          Revenues.    Revenues decreased 1.0%, or $6.4 million, to $628.4 million during the nine months ended September 30, 2021, as compared to $634.9 million during the nine months ended September 30, 2020. Our pressure pumping segment revenues decreased 0.8%, or $4.8 million, for the nine months ended September 30, 2021, as compared to the nine months ended September 30, 2020. The decreases were primarily attributable to the significant pricing discounts we provided our customers beginning April 2020, and in part due to substantially all of our customers directly sourcing certain consumables like sand, chemical, and diesel. Our average effectively utilized fleet count during the nine months ended September 30, 2021, was approximately 12.4 active fleets, compared to 10.4 during the nine months ended September 30, 2020. Included in our revenue for the nine months ended September 30, 2021 and 2020 was revenue generated from idle fees charged to our customer of approximately $5.3 million and $41.1 million, respectively. Excluding idle fees, our revenue increased during the nine months ended September 30, 2021 primarily because of our increased fleet utilization.

          Revenues from services other than pressure pumping decreased 13.1%, or $1.7 million, to $11.2 million for the nine months ended September 30, 2021, as compared to $12.8 million for the nine months ended September 30, 2020. The decrease

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in revenues from services other than pressure pumping was primarily attributable to the disposal of our flowback operations in March 2020.

          Cost of Services.    Cost of services increased 1.3%, or $6.3 million, to $474.9 million for the nine months ended September 30, 2021, as compared to $468.6 million during the nine months ended September 30, 2020. Cost of services in our pressure pumping segment increased $6.7 million for the nine months ended September 30, 2021, as compared to the nine months ended September 30, 2020. As a percentage of pressure pumping segment revenues (including idle fees), pressure pumping cost of services increased to 75.2% for the nine months ended September 30, 2021, as compared to 73.6% for the nine months ended September 30, 2020. The increase in our cost of services percentage was primarily attributable to pricing pressure on our services resulting in customer discounts, partially offset by the idle fees revenue. Excluding idle fees revenue of $5.3 million and $41.1 million recorded during the nine months ended September 30, 2021 and 2020, respectively, our pressure pumping cost of services as a percentage of pressure pumping revenues decreased to 75.9% during the nine months ended September 30, 2021, as compared to 78.8% for the nine months ended September 30, 2020. The decrease in our pressure pumping cost of services as a percentage of revenue was a result of increased operational efficiencies and reduction in certain consumables provided to customers, partially offset by higher costs for certain commodities and services.

          General and Administrative Expenses.    General and administrative expenses decreased 11.9%, or $8.0 million, to $59.1 million for the nine months ended September 30, 2021, as compared to $67.1 million for the nine months ended September 30, 2020. The net decrease was primarily attributable to a decrease in (i) nonrecurring advisory and professional fees of $18.1 million paid to external consultants in connection with the Company's pending SEC investigation and shareholder litigation, (ii) legal and professional fees of approximately $3.6 million, which was partially offset by a net increase of approximately $13.1 million paid in payroll expenses, and $0.6 million in other remaining general and administrative expenses.

          Depreciation and Amortization.    Depreciation and amortization decreased 14.9%, or $17.6 million, to $100.3 million for the nine months ended September 30, 2021, as compared to $117.8 million for the nine months ended September 30, 2020. The decrease was primarily attributable to the overall decrease in our fixed asset base in 2020, partly attributable to the impairment and disposal of certain fixed assets in 2020.

          Impairment Expense.    There was no impairment expense during the nine months ended September 30, 2021. During the nine months ended September 30, 2020 depressed market conditions, crude oil prices and negative near-term outlook for the utilization of certain of our equipment resulted in the Company recording an impairment expense of $16.7 million, of which $9.4 million relates to goodwill impairment and $7.2 million relates to property and equipment impairment.

          Loss on Disposal of Assets.    Loss on the disposal of assets slightly increased by 1.6%, or $0.6 million, to $40.5 million for the nine months ended September 30, 2021, as compared to $39.9 million for nine months ended September 30, 2020.

          Interest Expense.    Interest expense decreased 78.4%, or $1.7 million, to $0.5 million for the nine months ended September 30, 2021, as compared to $2.2 million for the nine months ended September 30, 2020. The decrease in interest expense was primarily attributable to the decrease in our average debt balance during the nine months ended September 30, 2021 compared to the nine months ended September 30, 2020.

          Other (Income)/Expense.     Other income increased to approximately $1.2 million for the nine months ended September 30, 2021, as compared to $0.6 million in expense for the nine months ended September 30, 2020. The increase in other income is primarily attributable to the net refund of approximately $2.1 million to the Company from the sales and excise and use tax audit and partially offset by an expense related to our lender's commitment fees during nine months ended September 30, 2021, as compared to the nine months ended September 30, 2020.

          Income Taxes.   Total income tax benefit was $11.6 million resulting in an effective tax rate of 25.5% for the nine months ended September 30, 2021, as compared to income tax benefit of $15.1 million or an effective tax rate of 19.3% for the nine months ended September 30, 2020. The reduction in the income tax benefit recorded in the nine months ended September 30, 2021 is primarily attributable to the Company projecting a much lower pre-tax loss in 2021 as compared to that in 2020. Furthermore, the change in the effective tax rate from 19.3% to 25.5% was primarily attributable to nondeductible expenses and discrete items such as stock compensation expense that impacted our income tax benefit during the nine months ended September 30, 2020.

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Liquidity and Capital Resources

          Our liquidity is currently provided by (i) existing cash balances, (ii) operating cash flows and (iii) borrowings under our ABL Credit Facility, if any. Our primary uses of cash will be to continue to fund our operations, support growth opportunities and satisfy future debt payments, if any. Our borrowing base, as redetermined monthly, is tied to 85.0% of eligible accounts receivable. Changes to our operational activity levels have an impact on our total eligible accounts receivable, which could result in significant changes to our borrowing base and therefore our availability under our ABL Credit Facility. We believe our remaining monthly availability under our ABL Credit Facility will be adversely impacted if the current depressed oil and gas market conditions continue or worsen.

           As of September 30, 2021, we had no borrowings under our ABL Credit Facility, and our total liquidity was approximately $153.6 million, consisting of cash and cash equivalents of $84.6 million and $69.0 million of availability under our ABL Credit Facility.

           As of October 29, 2021, our total liquidity was approximately $158.8 million, consisting of cash and cash equivalents of $91.2 million and $67.6 million of availability under our ABL Credit Facility.

           In 2020, when demand for our services was significantly depressed following the rapidly rising health crisis associated with the COVID-19 pandemic and the energy industry disruptions led by depressed WTI crude oil prices, the Company experienced a significant decrease in its liquidity. The gradual recovery in the energy industry with the reduction in the COVID-19 infection rate following the administration of COVID-19 vaccines, along with increasing demand for crude oil and a significant increase in crude oil prices has correlated with an increase in demand for our pressure pumping services, thus improving our future profitability and liquidity outlook. However, the current market conditions resulting from the COVID-19 pandemic could rapidly change and there could be a new outbreak of a COVID-19 variant or the vaccines may not be as effective as anticipated, which which could negatively impact the demand for our services and our future revenue, results of operations and cash flows. Our liquidity could also be adversely impacted by our investments in lower emissions equipment like the Tier IV DGB or any other available technology, particularly in the event that pressure pumping activity does not continue to improve or we are otherwise not able to earn an appropriate return on those investments..

           There can be no assurance that operations and other capital resources will provide cash in sufficient amounts to maintain planned or future levels of capital expenditures. Future cash flows are subject to a number of variables, and are highly dependent on the drilling, completion, and production activity by our customers, which in turn is highly dependent on oil and natural gas prices. Depending upon market conditions and other factors, we may issue equity and debt securities or take other actions necessary to fund our business or meet our future long-term liquidity requirements.

          Our ABL Credit Facility, as amended, has a total borrowing capacity of $300 million (subject to the Borrowing Base limit), with a maturity date of December 19, 2023. The ABL Credit Facility has a borrowing base of 85% of monthly eligible accounts receivable less customary reserves (the "Borrowing Base"). The Borrowing Base as of September 30, 2021 was approximately $72.7 million and was approximately $71.3 million as of October 29, 2021. The ABL Credit Facility includes a Springing Fixed Charge Coverage Ratio to apply when excess availability is less than the greater of (i)10% of the lesser of the facility size or the Borrowing Base or (ii) $22.5 million. Under this facility we are required to comply, subject to certain exceptions and materiality qualifiers, with certain customary affirmative and negative covenants, including, but not limited to, covenants pertaining to our ability to incur liens, indebtedness, changes in the nature of our business, mergers and other fundamental changes, disposal of assets, investments and restricted payments, amendments to our organizational documents or accounting policies, prepayments of certain debt, dividends, transactions with affiliates, and certain other activities. Borrowings under the ABL Credit Facility are secured by a first priority lien and security interest in substantially all assets of the Company.

           Borrowings under the ABL Credit Facility accrue interest based on a three-tier pricing grid tied to availability, and we may elect for loans to be based on either LIBOR or base rate, plus the applicable margin, which ranges from 1.75% to 2.25% for LIBOR loans and 0.75% to 1.25% for base rate loans, with a LIBOR floor of zero. There were no borrowings under the ABL Credit Facility for the nine months ended September 30, 2021.

           In July 2017, the United Kingdom's Financial Conduct Authority, which regulates LIBOR, announced that it intends to phase out LIBOR by the end of 2021. At the present time, the ABL Credit Facility is subject to LIBOR rates but has a term that extends beyond the end of 2021 when LIBOR will be phased out. We have not yet pursued any technical amendment or other contractual alternative to address this matter. We are currently evaluating the potential impact of eventual replacement of the LIBOR interest rate, although our ABL Credit Facility agreement allows us to elect an alternative rate (base rate) to accrue interest.

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Future Sources and Use of Cash and Contractual Obligations

          Our future primary use of cash will be to fund capital expenditures. Capital expenditures for 2021 are projected to be primarily related to maintenance capital expenditures to support our existing assets, including costs to convert our existing conventional Tier II equipment to lower emissions Tier IV DGB equipment. In September 2021, we ordered 125,000 HHP of additional Tier IV DGB equipment for approximately $74 million. The 125,000 HHP of Tier IV DGB equipment will be used to replace existing Tier II diesel HHP, with deliveries beginning in December 2021 and continuing through the first half of 2022. Approximately $30 million of the $74 million could be paid in 2021 with the remainder paid as deliveries continue during the first half of 2022.

         We expect that our currently anticipated capital expenditures will be funded by existing cash, cash flows from operations, and, if needed, borrowings under our ABL Credit Facility. However, as noted elsewhere in this quarterly report, we will continually evaluate opportunities to improve our service offerings and other investment and acquisition opportunities that we believe would enhance the competitiveness of our business. Depending upon market conditions and other factors, we may issue equity and debt securities or take other actions necessary to fund our future investment or acquisitions.

         In addition, we have option agreements with our equipment manufacturer to purchase additional 108,000 HHP of DuraStim® hydraulic fracturing equipment through July 31, 2022. Currently, because of ongoing testing and commercialization efforts, we cannot reasonably determine whether or not we will exercise these options before they expire.

          In the normal course of business, we enter into various contractual obligations and incur expenses in connection with routine growth and maintenance capital expenditures that impact our future liquidity. There were no other known future material contractual obligations as of September 30, 2021.

Cash and Cash Flows

             The following table sets forth the historical cash flows for the nine months ended September 30, 2021 and 2020:

						Nine Months Ended September 30,
(in thousands)						2021						2020
Net cash provided by operating activities						$	109,259					$	118,026
Net cash used in investing activities						$	(85,549)					$	(82,179)
Net cash used in financing activities						$	(7,881)					$	(130,628)

Cash Flows From Operating Activities

          Net cash provided by operating activities was $109.3 million for the nine months ended September 30, 2021, compared to $118.0 million for the nine months ended September 30, 2020. The net decrease of approximately $8.8 million was primarily due to the timing of collections of our receivables from customers and payments to vendors.

Cash Flows From Investing Activities

          Net cash used in investing activities increased to $85.5 million for the nine months ended September 30, 2021, from $82.2 million for the nine months ended September 30, 2020. The increase was primarily attributable to our investment in Tier IV DGB equipment.

Cash Flows From Financing Activities

          Net cash used in financing activities decreased to $7.9 million for the nine months ended September 30, 2021, from $130.6 million for the nine months ended September 30, 2020. The net decrease in cash used in financing activities during the nine months ended September 30, 2021, was primarily a result of no borrowings or repayments under our ABL Credit Facility in 2021. During the nine months ended September 30, 2020, we fully repaid our borrowings under our ABL Credit Facility in the amount of $130 million.

Off-Balance Sheet Arrangements

          We had no off-balance sheet arrangements as of September 30, 2021.

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Critical Accounting Policies and Estimates

           There have been no material changes during the nine months ended September 30, 2021 to the methodology applied by our management for critical accounting policies previously disclosed in our Form 10-K. Please refer to Part II, Item 7, "Management's Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies and Estimates" in our Form 10-K for a discussion of our critical accounting policies and estimates.

Recently Issued Accounting Standards

          Disclosure concerning recently issued accounting standards is incorporated by reference to Note 2 of our Condensed Consolidated Financial Statements (Unaudited) contained in this Form 10-Q.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

          As of September 30, 2021, there have been no material changes in market risk from the information provided in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” or “Quantitative and Qualitative Disclosures of Market Risk” in our Form 10-K.

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ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

         We maintain disclosure controls and procedures that are designed to provide reasonable assurance that the information required to be disclosed by us in our reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure.

         As required by Rule 13a-15(b) under the Exchange Act, we have evaluated, under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this quarterly report. Based upon that evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of September 30, 2021.

Changes in Internal Control over Financial Reporting

         No changes in our system of internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the quarter ended September 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II – OTHER INFORMATION

ITEM 1. Legal Proceedings

           See “Note 10 – Commitments and Contingencies” in the Notes to Condensed Consolidated Financial Statements for further information.

ITEM 1A. Risk Factors

          There have been no material changes to the risk factors disclosed in Part I, Item 1A. of our Form 10-K.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

None.

ITEM 3. Defaults Upon Senior Securities

None.

ITEM 4. Mine Safety Disclosures

Not applicable.

ITEM 5. Other Information

None.

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ITEM 6. Exhibits

The exhibits required to be filed or furnished by Item 601 of Regulation S-K are listed below.

3.1						Amended and Restated Certificate of Incorporation of ProPetro Holding Corp. dated as of June 19, 2019 (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K, dated June 19, 2019).
3.2						Amended and Restated Bylaws of ProPetro Holding Corp. (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K, dated June 19, 2019).
3.3						Certificate of Designations of Series B Junior Participating Preferred Stock of ProPetro Holding Corp. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K, dated April 14, 2020).
10.1						Participation Agreement pursuant to the ProPetro Services, Inc. Second Amended and Restated Executive Severance Plan, dated July 28, 2021, by and between Newton W. Wilson III and ProPetro Services, Inc. (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K, filed July 28, 2021).
31.1*						Certification of Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Exchange Act Rules, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*						Certification of Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Exchange Act Rules, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**						Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted by Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**						Certification of Principal Financial Officer pursuant to 18 U.S.C. Section1350, as adopted by Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*						XBRL Instance Document
101.SCH*						XBRL Taxonomy Extension Schema Document
101.CAL*						XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB*						XBRL Taxonomy Extension Label Linkbase Document
101.PRE*						XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF*						XBRL Taxonomy Extension Definition Linkbase Document
104*						Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document

*			Filed herewith.
**			Furnished herewith.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

SIGNATURES

Date:

November 4, 2021

By:

/s/ Samuel D. Sledge

Samuel D. Sledge

Chief Executive Officer

(Principal Executive Officer)

By:

/s/ David S. Schorlemer

David S. Schorlemer

Chief Financial Officer

(Principal Financial Officer)

By:

/s/ Elo Omavuezi

Elo Omavuezi

Chief Accounting Officer

(Principal Accounting Officer)

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