Moscow, Russia — June 14, 2013 — Mechel OAO (NYSE: MTL), one of the leading Russian mining and metals companies, announces that it intends to release its financial results for the first quarter period ending March 31, 2013, on Tuesday, June 18, 2013. In conjunction with this release, Mechel will host a conference call, which will be simultaneously broadcast live over the Internet. Evgeny Mikhel, Chief Executive Officer, will host the call.

The conference call will take place at the following time:

Tuesday, June 18, 2013

6:00 PM Moscow Time

3:00 PM London Time

10:00 AM New York Time

Please dial the number below approximately 15 minutes prior to the scheduled time of the call, quoting Mechel, and the chairperson name, Vladislav Zlenko.

Conference Call Phone Numbers:

US toll free +1 866 966 5335

International +44 (0) 20 3003 2666

Listeners can access the conference call live over the Internet through a link on Mechel's web site at https://www.mechel.com/investors/fresults/index.wbp

Please take 15 minutes prior to the call to visit the site and download and install any necessary audio software. Additionally, a record of the webcast will be available on our web site.