Conference Call Presentation Q3 2021

Q3 2021 INVESTOR PRESENTATION

November 2, 2021

FORWARD LOOKING STATEMENTS

Except for historical information contained herein, the statements and information in this presentation, including the oral statements made in connection herewith, are forward-looking statements that are made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995. Statements that are predictive in nature, that depend upon or refer to future events or conditions or that include the words "may," "could," "plan," "project," "budget," "predict," "pursue," "target," "seek," "objective," "believe," "expect," "anticipate," "intend," "estimate," and other expressions that are predictions of, or indicate, future events and trends and that do not relate to historical matters identify forward-looking statements. Our forward-looking statements include, among other matters, statements about our business strategy, industry, future profitability, expected fleet utilization, sustainability efforts, the future performance of newly improved technology (such as our DuraStim® fleets), expected capital expenditures and the impact of such expenditures on our performance and capital programs. A forward-looking statement may include a statement of the assumptions or bases underlying the forward-looking statement. We believe that we have chosen these assumptions or bases in good faith and that they are reasonable.

Although forward-looking statements reflect our good faith beliefs at the time they are made, forward-looking statements are subject to a number of risks and uncertainties that may cause actual events and results to differ materially from the forward-looking statements. Such risks and uncertainties include the volatility of and recent declines in oil prices, the operational disruption and market volatility resulting from the COVID-19 pandemic and other factors described in our Annual Report on Form 10-K and Quarterly Reports on Form 10-Q, particularly the "Risk Factors" sections of such filings, and other filings with the Securities and Exchange Commission (the "SEC"). In addition, we may be subject to currently unforeseen risks that may have a materially adverse impact on us, including matters related to shareholder litigation and the SEC investigation.

Accordingly, no assurances can be given that the actual events and results will not be materially different than the anticipated results described in the forward-looking statements. Readers are cautioned not to place undue reliance on such forward-looking statements and are urged to carefully review and consider the various disclosures made in our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other filings made with the SEC from time to time that disclose risks and uncertainties that may affect our business. The forward-looking statements in this presentation are made as of the date of this presentation. We do not undertake, and expressly disclaim, any duty to publicly update these statements, whether as a result of new information, new developments or otherwise, except to the extent that disclosure is required by law.

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PROPETRO AT A GLANCE

Customer Focused		0.49		100%		Sustainability
Team Driven		Full Year 2020 TRIR		Concentration of Frac		Investments
		38% lower than 2019 Industry Average		Operations in the Permian

2010	2017	2020	2021
Begins hydraulic	Initial	Electrically	1.4 million HHP
fracturing operations	public offering	Powered DuraStim	(as of September 30,
in the Permian Basin	(NYSE: PUMP)	field trials	2021)

									2021
2005		2013		2019
Founded		Company		Announces initial		Announces additional
		recapitalization		phase of DuraStim		investment in Tier IV
						project		DGB equipment
2011		2016				bringing the total to 86
	2019
	50,000 HHP	420,000 HHP		1.4 million HHP	dual-fuel pumps

Teamwork & Collaboration

Execution

Capital

Discipline

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CAPITAL MIGRATING TO OUR BACKYARD

Over $70 billion in Permian E&P transactions since 2018

Recent Permian Upstream Transactions

$3bn

$13bn$7bn

$13bn

$9bn

$3bn $6bn $8bn

1%

ProPetro

FY2021

Revenue Mix

Non-Permian99%

ProPetro is focused solely where capital is migrating

* Source: Company filings and industry research, values as of time of announcement.

Permian

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POSITIONING FOR A CLEANER FUTURE

Displacing Conventional Diesel Fleets with Tier IV DGB Dual Fuel Equipment (pictured left) through Conversions and New-Build Purchases and DuraStim Electric-Powered (pictured right)

Hydraulic Horsepower (HHP) Composition

YE2020

Conventional

Diesel

YE2021(1)

Investing in displacement of	Tier IV DGB(3)	DuraStim
legacy fuels(2)	$67mm	$145mm

1. Management estimates subject to change, DuraStim contribution dependent upon commercialization.
2. Total investments since 2019.
3. Includes deposit of ~$30 million for additional 50 units of Tier IV DGB equipment to be delivered starting December 2021 through 2H22.

Emissions	Conventional
Diesel
Friendly

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