UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: May 2019

Commission File Number: 001-36563

Orion Engineered Carbons S.A.

(Translation of registrant’s name into English)

4501 Magnolia Cove Drive Suite 106

Houston, TX 77345

United States of America

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F xForm 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Orion Engineered Carbons CEO buying shares of the Company

Houston- May 23, 2019 - Orion Engineered Carbons S.A. (NYSE: OEC) (the “Company“ or “Orion”), a worldwide supplier of specialty and high-performance Carbon Black, today announced that Mr. Corning F. Painter, Chief Executive Officer of the Company, has purchased a total of 55,000 common shares of the Company. The shares were acquired at an average price of $ 18.1875 per share.

Mr. Painter previously purchased 36,950 common shares in November of 2018, shortly after he joined Orion as Chief Executive Officer.

Except as required by law, the Company generally does not commit to announce further acquisitions or dispositions of

its common shares by its officers or directors.

About Orion Engineered Carbons S.A.

Orion is a worldwide supplier of Carbon Black. Orion group produces a broad range of Carbon Blacks that include high-performance Specialty Gas Blacks, Acetylene 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. The group has approximately 1,450 employees worldwide. For more information please visit the Orion website www.orioncarbons.com.

Contact:

Orion Engineered Carbons S.A.

Investor Relations

Diana Downey, +1 832-589-2285

Investor-Relations@orioncarbons.com

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Orion Engineered Carbons S.A.
By:	/s/ Charles Herlinger
	Name:	Charles Herlinger
	Title:	Chief Financial Officer

Date: May 23, 2019