Orion Engineered Carbons S.A. Announces Exercise and Closing of Greenshoe Option

LUXEMBOURG–(BUSINESS WIRE)–Orion Engineered Carbons S.A. (NYSE: OEC) (the “Company” or “Orion”), a
worldwide supplier of specialty and high-performance Carbon Black,
announced today that the underwriter of the recently closed offering of
10,000,000 Orion common shares, sold by Kinove Luxembourg Holdings 1 S.à
r.l. (“Kinove Holdings”) and current and former members of Orion’s
management team, has exercised its option to purchase an additional
1,500,000 shares in full on the same terms as the initial shares. Kinove
Holdings sold 1,361,504 of the additional shares and the other selling
shareholders sold the remaining 138,496 shares. Kinove Holdings and the
other selling shareholders received all of the net proceeds from the
sale of these shares.

Morgan Stanley & Co. LLC acted as the sole book-running manager for the
offering.

The offering was made pursuant to an effective shelf registration
statement, prospectus and prospectus supplement filed by the Company.
The prospectus supplement and accompanying prospectus are available on
the Securities and Exchange Commission’s website at: https://www.sec.gov/Archives/edgar/data/1609804/000119312517338962/d477146d424b7.htm.
Alternatively, copies of the prospectus supplement and the accompanying
prospectus may be obtained from Morgan Stanley & Co. LLC, 180 Varick
Street, 2nd Floor, New York, New York 10014, Attention: Prospectus
Department.

A registration statement relating to the Company’s common stock has been
filed with the U.S. Securities and Exchange Commission and was declared
effective on April 1, 2016. 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 jurisdiction in which such offer,
solicitation or sale would be unlawful prior to registration or
qualification under the securities laws of any such jurisdiction.

About Orion Engineered Carbons

Orion is a worldwide supplier of Carbon Black. We produce a broad range
of Carbon Blacks that include high-performance Specialty Gas Blacks,
Furnace Blacks, Lamp Blacks, Thermal Blacks and other Carbon Blacks that
tint, colorize and enhance the performance of polymers, plastics, paints
and coatings, inks and toners, textile fibers, adhesives and sealants,
tires, and mechanical rubber goods such as automotive belts and hoses.
Orion runs 14 global production sites and four Applied Technology
Centers. The group has approximately 1,463 employees worldwide.

Forward-Looking Statements

This document contains certain forward-looking statements, including
statements relating to the offering. These statements constitute
forward-looking statements within the meaning of the U.S. Private
Securities Litigation Reform Act of 1995. Forward-looking statements are
statements of future expectations that are based on current expectations
and assumptions and involve known and unknown risks and uncertainties
that could cause actual results, performance or events to differ
materially from those expressed or implied in these statements. You
should not place undue reliance on forward-looking statements. Each
forward-looking statement speaks only as of the date of the particular
statement. New risk factors and uncertainties emerge from time to time
and it is not possible to predict all risk factors and uncertainties,
nor can we assess the extent to which any factor, or combination of
factors, may cause actual results to differ materially from those
contained in any forward-looking statements. We undertake no obligation
to publicly update or revise any forward-looking statement as a result
of new information, future events or other information, other than as
required by applicable law.

Contacts

Orion Engineered Carbons S.A.
Diana Downey, +1 832-589-2285
Investor
Relations