Aleris to Announce Fourth Quarter & Full-Year 2010 Earnings on March 3, 2011

Live Webcast Scheduled for 11 a.m. EST

BEACHWOOD, Ohio, February 28, 2011 - Aleris International, Inc. will announce fourth quarter and full-year
2010 earnings on Thursday, March 3, 2011. The Company will host a conference
call that day to discuss earnings results at 11 a.m. Eastern Standard Time.

The call can be accessed by dialing +1-877-398-9483 or +1-760-298-5072
(for international callers) — and referencing ID # 47910512 - or through the
Company's website, www.aleris.com. A replay of the call will be
available on the Company's website in the Investor Relations section.

About Aleris

Aleris International, Inc. 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 )

Investors: Sean M. Stack, +1-216-910-3504; Media: Kristen Bihary, +1-216-910-3664