Aleris Announces Filing of Registration Statement for Proposed Initial Public Offering

BEACHWOOD, Ohio, April 26, 2011 - Aleris Corporation, parent company of Aleris International, Inc., today
announced that it has filed a registration statement on Form S-1 with the
U.S. Securities and Exchange Commission in connection with a proposed initial
public offering of its common stock. Aleris Corporation changed its name from
Aleris Holding Company prior to the filing of the registration statement. The
number of shares of common stock to be offered and the price range for the
offering have not yet been determined. The shares of common stock to be sold
in this offering (including the shares of common stock that may be sold to
satisfy the underwriters' over-allotment option) will be sold by Aleris
Corporation and certain of its stockholders.

The offering will be made only by means of a prospectus. When available,
a preliminary prospectus relating to this offering may be obtained from the
underwriters to be named in the prospectus.

A registration statement relating to these securities has been filed with
the Securities and Exchange Commission but has not yet become effective.
These securities may not be sold nor may offers to buy be accepted prior to
the time 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
securities in any state in which such offer, solicitation or sale would be
unlawful prior to registration or qualification under the securities laws of
any such state.

About Aleris

Aleris Corporation is a privately-held, global leader in aluminum rolled
products and extrusions, aluminum recycling and specification alloy
production. Headquartered in Beachwood, Ohio, the company operates more than
40 production facilities in North America, Europe and Asia. For more
information, visit www.aleris.com.

(Logo: photos.prnewswire.com/prnh/20050504/CLW056LOGO )

Kristen Bihary, +1-216-910-3664