Petrobras Energia SA
                  

Petrobras Energía S.A. (Buenos Aires:PESA) announces oil and gas daily average
production for September 2004.




Oil & Gas Production (*)
     (Thousands of boe / day)
                                      Sep-04                       Sep-04
                              Month          9 Months      Month         9 Months


Oil Argentina                   54.0             53.0       57.5             58.0
Oil Venezuela                   48.0             48.1       44.4             38.5
Oil Perú                        11.5             11.2       11.6             11.6
Oil Bolivia                      1.4              1.4        1.4              1.4
Oil Ecuador                      6.3              6.1        5.1              3.0
Total Oil
 Production                    121.2            119.8      120.0            112.5


Gas Argentina                   35.0             35.6       38.0             35.8
Gas Venezuela                    4.5              4.4        3.7              3.3
Gas Perú                         1.8              1.5        1.6              1.2
Gas Bolivia                      6.1              6.4        6.4              6.4
Total Gas
 Production                     47.4             47.9       49.7             46.7


Total Oil & Gas Production     168.6            167.7      169.7            159.2

(*) Includes 3.1 and 3.2 thousands of BOE/day for September 2004 and 2003
 respectively, from nonconsolidated operations


CONTACTS
Daniel E. Rennis
[email protected]

Alberto Jankowski
[email protected]

Tel: (5411) 4344-6655
Visit our Web site at: http://www.petrobrasenergia.com