This excerpt taken from the PBR 6-K filed Mar 31, 2009.
c) Assets of the Pension Plans
The assets of the pension plans of the Petrobras System are invested mainly in government bonds, investment funds, equity instruments and others.
The investment portfolio of the Petros Plan and Petros 2 at December 31, 2008 was composed of 70% fixed income, with expected profitability of 7,37% p.a.; 24% variable income, with expected profitability of 6% p.a.; 6% other investments (transactions with members, real estate and infrastructure projects), with expected profitability of 8% p.a., which resulted in an average interest rate of 7,02% p.a.
The assets of the pension plans managed by Fundação Petrobras de Seguridade Social - Petros include the following papers of related parties:
The Petros Plan has 43% of its investments in government bonds, of which 94% are represented by NTN-B, which through entailment with the Department of Supplementary Pensions, will be held until maturity.