PQ Group Holdings Inc. Announces Filing of Registration Statement for Proposed Initial Public Offering

MALVERN, Pa.–(BUSINESS WIRE)–PQ Group Holdings Inc. (“PQ”) today announced that it has filed a
registration statement on Form S-1 with the U.S. Securities and Exchange
Commission relating to the proposed initial public offering of its
common stock. The number of shares to be offered and the price range for
the proposed offering have not yet been determined. PQ intends to apply
to list its common stock on the New York Stock Exchange under the
proposed symbol “PQG.”

The offering will be made only by means of a prospectus. When available,
a copy of the preliminary prospectus may be obtained from the offices of
Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick
Street, 2nd Floor, New York, New York 10014.

A registration statement on Form S-1 relating to the proposed offering
has been filed with the Securities and Exchange Commission but has not
yet become effective. The shares to be registered may not be sold nor
may offers to buy be accepted prior to the time when 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 shares 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.

Contacts

J. Grande Communications Inc.
Joseph Grande, +413-684-2463
[email protected]