Eternit, a market leader in roofing and construction materials, has announced its first quarter 2010 earnings release on May 11 before trading hours. A conference call with CEO Élio A. Martins will be held on May 13 at 5:00pm Eastern Time to discuss the results, with connection numbers provided. A slide presentation and simultaneous webcast will accompany the call, available on Eternit's website. The call may be replayed until May 19 by calling the provided number and entering code 46610. Contact information is provided for further details.

1. Eternit, the market leader in roof coverings, panels and cement slabs, invites you to the events
regarding the release of the first quarter 2010 results.
1Q10 Earnings Release
Date: Tuesday, May 11 2010 (before BM&FBOVESPA’s trading hours)
Conference Call and Webcast
(in Portuguese – simultaneous translation into English)
Presentation: Élio A. Martins – CEO and IR Director
Date: Thursday, May 13 2010
Time: 5:00 p.m. (Eastern Time)
Connection numbers:
Participants in Brazil: (55 11) 4688-6361
Participants from other countries: (1 786) 924-6977
Access Code: Eternit
This conference call will be accompanied by a slide presentation and will be simultaneously
transmitted via webcast. Click on www.ccall.com.br/eternit/1q10.htm or visit the company's
website (www.eternit.com.br), at the Investor Relations section.
Replay: from 05/13/2010 to 05/19/2010
Code: 46610
Phone: (55-11) 4688-6312
For further information, please contact:
Gilberto Cominato Fernando Campos
gilberto.cominato@eternit.com.br fernando.campos@firb.com
Rodrigo Lopes da Luz Telefone: (55-11) 3897-6857
rodrigo.luz@eternit.com.br
Telefone: (55-11) 3813-6034
Fax: (55-11) 3819-1647