Malvern’s PQ Group Holdings – an integrated, global provider of catalysts, specialty materials and chemicals, and services – has announced the pricing of its initial public offering of 29 million shares of its common stock at a public offering price of $17.50 per share.

The shares are trading on the New York Stock Exchange under the ticker symbol “PQG.”

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PQ has granted the underwriters a 30-day option to purchase up to an additional 4.35 million shares of its common stock at the initial public offering price, less underwriting discounts and commissions.

PQ’s 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.

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