1. MANAGEMENT PRESENTATIONRio de Janeiro | December 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 12/17/2012…

1. MANAGEMENT PRESENTATIONRio de Janeiro | March 2013 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 03/11/2013…

1. MANAGEMENT PRESENTATIONRio de Janeiro | February 2013 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 02/04/2013…

1. MANAGEMENT PRESENTATIONRio de Janeiro | January 2013 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 01/15/2013…

1. MANAGEMENT PRESENTATIONRio de Janeiro | January 2013 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 01/03/2013…

1. MANAGEMENT PRESENTATIONRio de Janeiro | December 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 12/04/2012…

1. MANAGEMENT PRESENTATIONRio de Janeiro | November 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 11/28/2012…

1. MANAGEMENT PRESENTATIONRio de Janeiro | November 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 11/12/2012…

1. MANAGEMENT PRESENTATIONRio de Janeiro | October 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 10/03/2012…

1. MANAGEMENT PRESENTATIONRio de Janeiro | September 2012 | 2. AGENDA1 OGX Overview2 OGX Portfolio and Execution3 OGX Operations4 Financial OverviewAppendixLast update: 09/25/2012…