Petrobras (PBR)

i) Unipar Investment Agreement

On November 30, 2007, Petrobras, Petroquisa and Unipar entered into an investment agreement where the structuring stages for the creation of an integrated company were established with control shared in the proportion of 60% by Unipar and 40% by Petrobras and Petroquisa. The objective of creating the petrochemical company was to pool their assets for the production of thermoplastic resins, basic petrochemicals and related activities, aiming at obtaining production on a world scale with greater competitiveness.

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The petrochemical assets that Petrobras and Petroquisa contributed (Petrobras Assets) were: (i) 99,9% of the voting capital and 76,57% of the total capital of Suzano Petroquímica S.A. (SZPQ), and (ii) 17,48% of the voting capital and 17,44% of the total capital held by Petroquisa in Petroquímica União S.A. (PQU).

Similarly, Unipar would contribute with the “Unipar Assets”, namely: (i) 33,3% of the voting and total capital of Rio Polímeros S.A. (Riopol); (ii) 54,96% of the voting capital and 51,35% of the total capital of PQU; (iii) 99,99% of the voting and total capital of Polietilenos União S.A (PU); (iv) all the assets, rights and obligations related to the operation of Unipar Divisão Química (UDQ); and (v) a cash amount of R$ 380.000, corresponding to the value of the price to be paid for: (a) all the 16,67% interest in the total capital held by Petroquisa in Riopol; and 15,98% of SZPQ’s interest in Riopol, for the adjusted, agreed-upon prices of R$ 0,9152 per share.

On February 14, 2008, the shareholders of Dapean Participações S.A. (Dapean) decided to redeem all the class A preferred shares of the company, through the consequent decrease in its capital of R$ 495.000.

On June 11, 2008, Petroquisa transferred its interest in PQU, valued at R$ 152.927, to Dapean, subscribing 19.315.055 common shares (ON) and 10.060.727 preferred shares (PNRB). The PNRB shares were redeemed on the same day for the amount of R$ 52.375 and the stake in the capital of Dapean was distributed between Petrobras and Petroquisa in the proportion of 79,8% and 20,2% respectively.

On the same date the parties equalized their stakes in Rio Polímeros in accordance with Note 13.8. k (Sale of part of the shares of Rio Polímeros S.A.).

At a later date Fasciatus Participações S.A., a specific purpose entity that held the "Unipar Assets" was merged into Dapean, thus concentrating all the "Petrobras and Unipar assets" in Dapean. This merger was made at book value and the exchange rate established by the economic values of the assets. The transaction generated non-operating income of R$ 326.082 (Parent company) and R$ 408.796 (Consolidated), due to the gain through the change in the percentage of corporate interest. Due to the new accounting practices these amounts were reclassified to Equity in earnings of subsidiaries.

In the same corporate act for this merger, Dapean changed its name to Quattor Participações S.A. (Quattor) and Unipar became the majority shareholder with 60% of the voting and total capital of the company. The interest of the Petrobras System in Quattor became 40% of the voting and total capital, distributed between Petrobras and Petroquisa, which held 31,9% and 8,1% respectively.

The transaction was approved by CADE without restrictions on July 9, 2008.

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On August 1, 2008, Quattor concluded the acquisition of (i) 1.670.279 common shares and 876.216 preferred shares of PQU held by Companhia Brasileira de Estireno S.A. at the price of R$ 15.2741 per share, and (ii) 1.489.109 common shares and 1.314.256 preferred shares of PQU held by Oxiteno S.A. - Indústria e Comércio at the price of R$ 17,1834 per common share and R$ 15,2741 per preferred share. Accordingly, Quattor now directly and indirectly holds 86,91% of the voting capital and 82,31% of the total capital of PQU. On the same date PQU's shareholders’ agreement was cancelled.

On December 2, 2008, Quattor Participações made a public offering for the shares of PQU with the aim of cancelling the registration of the publicly held company of the invested company. In the process 6.536.039 common shares and 11.176.718 preferred shares were acquired for the total amount of R$ 272.600 and, since the conditions established by the CVM were met, the company had its registration as a publicly held company cancelled on December 16, 2008.

On the December 16, 2008, Quattor Participações made a public offering for the shares of Quattor Petroquímica with the aim of discontinuing the level 2 corporate governance practices of the São Paulo stock exchange (Bovespa) in the company. In this auction 407 common shares and 1.308.386 preferred shares were acquired for the total price of R$ 11.962. On the following day, Quattor Petroquímica discontinued the level 2 corporate governance practices; however it continues to keep its registration as a publicly held company with shares traded on the São Paulo stock exchange (Bovespa).

On December 31, 2008, the shareholding breakdown of the assets controlled by Quattor Participações was: 75% of the total capital of Riopol, 99,3% of the total capital of Quattor Petroquímica, 99,2% of the total capital of PQU, 100% of the total capital of PU, and all the assets, rights and obligations related to the operating of UDQ.