Keane Announces Public Secondary Offering by Selling Stockholder

HOUSTON–(BUSINESS WIRE)–Keane Group, Inc.("Keane") (NYSE:FRAC) today announced that one of its
stockholders, Keane Investor Holdings LLC (the "Selling Stockholder"),
commenced an underwritten secondary offering of 11,000,000 shares of
Keane's common stock. The Selling Stockholder also intends to grant the
underwriters a 30-day option to purchase up to an additional 1,650,000
shares of Keane common stock.

Keane is not selling any common stock in, and will not receive any
proceeds from, the offering.

Citigroup, J.P. Morgan, Barclays, BofA Merrill Lynch, Goldman Sachs &
Co. LLC and Morgan Stanley are acting as joint book-running managers for
the proposed offering. Piper Jaffray & Co. and Wells Fargo Securities
are acting as senior co-managers for the proposed offering. Houlihan
Lokey and Scotia Howard Weil are acting as co-managers for the proposed
offering.

This offering will be made only by means of a written prospectus. A copy
of the preliminary prospectus for the offering may be obtained, when
available, from: Citigroup, attention: Citigroup Inc., c/o Broadridge
Financial Services, 1155 Long Island Avenue, Edgewood, NY 11717, or by
telephone at (800) 831-9146; J.P. Morgan Securities LLC, c/o Broadridge
Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717,
or by email at [email protected];
Barclays Capital Inc., c/o Broadridge Financial Solutions, 1155 Long
Island Avenue, Edgewood, NY 11717, or by telephone at (888) 603-5847, or
by email at [email protected];
BofA Merrill Lynch, attention: Prospectus Department, NC1-004-03-43, 200
North College Street 3rd floor, Charlotte, NC 28255-0001, or by email at [email protected];
Goldman Sachs & Co. LLC, Prospectus Department, 200 West Street, New
York, NY 10282, or by telephone at 1-866-471-2526, by facsimile at
212-902-9316 or by emailing [email protected];
or Morgan Stanley, attention: Prospectus Department, 180 Varick Street, 2nd
Floor, New York, NY 10014.

A registration statement, including a prospectus, which is preliminary
and subject to completion, relating to these securities has been filed
with the Securities and Exchange Commission ("SEC") but has not yet
become effective. These securities may not be sold nor may offers to buy
be accepted prior to the time the registration statement becomes
effective. This press release shall not constitute an offer to sell or
the solicitation of an offer to buy, nor shall there be any sale of
these securities in any state or jurisdiction in which such offer,
solicitation or sale would be unlawful prior to registration or
qualification under the securities laws of any such state or
jurisdiction.

About Keane Group, Inc.

Headquartered in Houston, Texas, Keane is one of the largest pure-play
providers of integrated well completion services in the U.S., with a
focus on complex, technically demanding completion solutions. Keane's
primary service offerings include horizontal and vertical fracturing,
wireline perforation and logging, engineered solutions and cementing, as
well as other value-added service offerings.

Forward-Looking Statements

The statements contained in this release that are not historical
facts are forward-looking statements as defined in the Private
Securities Litigation Reform Act of 1995. Words such as “may,” “will,”
“could,” “should,” “expect,” “plan,” “project,” “intend,” “anticipate,”
“believe,” “estimate,” “predict,” “potential,” “pursuant,” “target,”
“continue,” and similar expressions are intended to identify such
forward-looking statements. The statements in this press release that
are not historical statements, including statements regarding Keane's
plans, objectives, future opportunities for Keane's services, future
financial performance and operating results and any other statements
regarding Keane's future expectations, beliefs, plans, objectives,
financial conditions, assumptions or future events or performance that
are not historical facts, are forward-looking statements within the
meaning of the federal securities laws. These statements are subject to
numerous risks and uncertainties, many of which are beyond Keane's
control, which could cause actual results to differ materially from the
results expressed or implied by the statements. These risks and
uncertainties include, but are not limited to the operations of Keane;
the anticipated funding and expected delivery of the newbuild fleets;
the effects of the business combination of Keane and RockPile, including
the combined company’s future financial condition, results of
operations, strategy and plans; potential adverse reactions or changes
to business relationships resulting from the completion of the RockPile
transaction; expected synergies and other benefits from the transaction
and the ability of Keane to realize such synergies and other benefits;
results of litigation, settlements and investigations; actions by third
parties, including governmental agencies; volatility in customer
spending and in oil and natural gas prices, which could adversely affect
demand for Keane's services and their associated effect on rates,
utilization, margins and planned capital expenditures; global economic
conditions; excess availability of pressure pumping equipment, including
as a result of low commodity prices, reactivation or construction;
liabilities from operations; weather; decline in, and ability to
realize, backlog; equipment specialization and new technologies;
shortages, delays in delivery and interruptions of supply of equipment
and materials; ability to hire and retain personnel; loss of, or
reduction in business with, key customers; difficulty with growth and in
integrating acquisitions; product liability; political, economic and
social instability risk; ability to effectively identify and enter new
markets; cybersecurity risk; dependence on our subsidiaries to meet our
long-term debt obligations; variable rate indebtedness risk; and
anti-takeover measures in our charter documents.

Additional information concerning factors that could cause actual
results to differ materially from those in the forward-looking
statements is contained from time to time in Keane's SEC filings,
including the most recently filed Forms 10-Q and 10-K. and Keane's
Registration Statement on Form S-1, including the preliminary
prospectus, filed with the SEC on January 16, 2018. Keane undertakes no
obligation to publicly update or revise any forward-looking statement.

Contacts

Investors
ICR
Marc Silverberg, 646-277-1293
[email protected]