Invitation for the 4Q11 and 2011 Results

São Paulo, March 23^th, 2011 – TRISUL S.A. (BM&FBovespa: TRIS3; Bloomberg: TRIS3 BZ; Reuters: TRIS3.SA), announces its 4Q11 and 2011 results schedule.

To access the schedule, please click here.

4Q11 and 2011 Results

March 29^th, 2011 (after trading hours).

Information will be available on our website: www.trisul-sa.com.br/ir

Conference Calls

English
Date: March 30^th, 2012
Time: 10:00 a.m. (US-EST)
11:00 p.m. (Brasília)
Phone: +1 (412) 317-6776
Code: Trisul
Replay available until: 04/06/12
Replay: +1 (412) 317-0088
Replay Code: 10011970

Portuguese
Date: March 30^th, 2012
Time: 9:00 a.m. (US-EST)
10:00 a.m. (Brasília)
Phone: +55 (11) 3127-4971
Code: Trisul
Replay available until: 04/06/12
Replay: +55 (11) 3127-4999
Replay code: 11560455

Participants are requested to connect 15 minutes prior to the time set for the conference calls.

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.The Conference Calls will be live broadcast over the Internet on the same website, remaining available after the event.

Replay
A conference call replay facility will be available for 7 days after the conference call. In order to access the replay, dial above mentioned numbers.

Quiet Period
In accordance with fair disclosure and corporate governance best practices, TRISUL will respect a Quiet Period beginning on March 15^th, 2012 and will end on the conference call

Contact:
Investor Relations
Phone: + 55 (11) 3147-0134
E-mail: ri@trisul-sa.com.br
Website: www.trisul-sa.com.br/ir

About TRISUL
Trisul S.A. (BM&FBovespa: TRIS3; Bloomberg: TRIS3 BZ; Reuters: TRIS3.SA) is one of the largest real estate developers and builders in the São Paulo metropolitan area focusing on residential projects. Throughout its history, the Company has launched more than 30,000 units, distributed over 189 projects. According to the Top Real Estate held in June 2010, Trisul established itself as the 6th largest construction company and the 8th largest developer in the São Paulo metropolitan area in 2009 (source: Embraesp).