Trisul announces its 4Q11 and 2011 Results

Schedule:

4Q11 and 2011 Results March 29th, 2012 (After trading hours) Conference Call in English

Date: March 30, 2012

Time: 10 a.m. (US-EST)

11 a.m. (Brasília)

Phone: +1 (412) 317-6776

Access Code: Trisul

Replay: +1 (412) 317-0088

Replay Code: 10011970

Conference Call in Portuguese

Date: March 30, 2012

Time: 09 a.m. (US-EST)

10 a.m. (Brasília)

Phone: +55 (11) 3127-4971

Access Code: Trisul

Replay: +55 (11) 3127-4999

Replay Code: 11560455

IR Contact

Phone.: +55 (11) 3147-0428

E-mail: ri@trisul-sa.com.br

Website: www.trisul-sa.com.br/ir

Slides and Webcast

A slide presentation will be available for viewing and downloading on the IR session of our
website www.trisul-sa.com.br/ir

Quiet Period

In accordance with fair disclosure and corporate governance best practices, TRISUL will respect a Quiet Period beginning on March 15th , 2011 and will end on the conference call
day.

distributed by

This press release was issued by Trisul SA and was initially posted at http://www.mzweb.com.br/trisul/web/conteudo_en.asp?idioma=1&tipo=11653&conta=44&id_arquivo=212530 . It was distributed, unedited and unaltered, by noodls on 2012-03-23 20:48:54 PM. The issuer is solely responsible for the accuracy of the information contained therein.