Exhibit

We consent to the incorporation by reference in this Amendment No. 1 to Registration Statement 333-230018 on Form S-3 of our reports dated February 28, 2019, relating to the consolidated financial statements of Century Aluminum Company and subsidiaries (the “Company”) and the effectiveness of the Company’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Century Aluminum Company for the year ended December 31, 2018, and to the reference to us under the heading "Experts" in the Prospectus, which is part of such Registration Statement.



	/s/ Deloitte & Touche LLP
	Chicago, Illinois
	May 7, 2019