PQ Group Holdings Inc. Announces Pricing of its Initial Public Offering of 29,000,000 Shares of Common Stock

MALVERN, Pa.–(BUSINESS WIRE)–PQ Group Holdings Inc. (NYSE:PQG) (“PQ” or the “Company”) today
announced the pricing of its initial public offering of 29,000,000
shares of its common stock at a public offering price of $17.50 per
share. The shares are expected to begin trading on the New York Stock
Exchange on September 29, 2017 under the ticker symbol “PQG.”

PQ has granted the underwriters a 30-day option to purchase up to an
additional 4,350,000 shares of its common stock at the initial public
offering price, less underwriting discounts and commissions.

The closing for the offering is expected to occur on October 3, 2017,
subject to the satisfaction of customary closing conditions.

Morgan Stanley, Goldman Sachs & Co. LLC, Citigroup and Credit Suisse are
acting as joint book-running managers of the proposed offering, and
Morgan Stanley and Goldman Sachs & Co. LLC are acting as representatives
of the underwriters; J.P. Morgan, Jefferies, Deutsche Bank Securities
and KeyBanc Capital Markets are also acting as joint book-running
managers; Evercore ISI and Nomura are acting as co-managers.

The offering will be made only by means of a prospectus. Copies of the
final prospectus related to the offering may be obtained, when
available, from Morgan Stanley & Co. LLC, Attention: Prospectus
Department, 180 Varick Street, 2nd Floor, New York, NY 10014; Goldman
Sachs & Co. LLC, Prospectus Department, 200 West Street, New York, NY
10282, telephone: 1-866-471-2526, facsimile: 212-902-9316 or by emailing [email protected];
Citigroup, c/o Broadridge Financial Solutions, 1155 Long Island Avenue,
Edgewood, NY 11717, telephone: 800-831-9146; or Credit Suisse Securities
(USA) LLC, Attn: Prospectus Department, One Madison Avenue, New York, NY
10010, telephone: 1-800-221-1037 or by emailing [email protected].

A registration statement relating to these securities was declared
effective by the Securities and Exchange Commission on September 28,
2017. 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 PQ Group Holdings, Inc.

PQ Group Holdings, Inc. is an integrated, global provider of catalysts,
specialty materials and chemicals, and services. Our environmental
catalysts and services business is a leading global innovator and
producer of catalysts for the refinery, emissions control, and
petrochemical industries and is also a leading provider of catalyst
recycling services to the North American refining industry. Our
performance materials and chemicals business is a silicates and
specialty materials producer with leading supply positions in North
America, Europe, South America, and Asia serving diverse and growing end
uses such as personal and industrial cleaning products, fuel efficient
tires, surface coatings, and food and beverage products.

Note on Forward-Looking Statements

This press release may contain “forward-looking statements” within the
meaning of the safe harbor provisions of the United States Private
Securities Litigation Reform Act of 1995, including statements regarding
the expected closing of the Company’s initial public offering. Words
such as “expect,” “estimate,” “project,” “budget,” “forecast,”
“anticipate,” “intend,” “plan,” “may,” “will,” “could,” “should,”
“believes,” “predicts,” “potential,” “continue,” and similar expressions
are intended to identify such forward-looking statements. These
forward-looking statements are subject to the inherent uncertainties in
predicting future results and conditions and no assurance can be given
that the initial public offering discussed above will be completed on
the terms described. Completion of the proposed initial public offering
and the terms thereof are subject to numerous factors, many of which are
beyond the control of the Company, including, without limitation,
failure of customary closing conditions and the risk factors and other
matters set forth in the prospectus included in the registration
statement, in the form last filed with the SEC. As a result of the
foregoing considerations, you are cautioned not to place undue reliance
on these forward-looking statements, which speak only as of the date of
this press release. The Company undertakes no obligation to publicly
update or revise any forward-looking statements, whether as a result of
new information, future events or otherwise.

Contacts

ICR
Michael Callahan, 203-682-8311
[email protected]