Petrobras (PBR) Announces Increase in Estimated Proven Reserves

Group 1 - Petrobras' share price increased by 12.71% from January 22 to January 29, 2026, making it one of the top-performing energy stocks for the week [1] - The company announced an increase in its estimated proven oil, condensate, and natural gas reserves to 12.1 billion barrels of oil equivalent (boe) in 2025, up from 11.4 billion boe in the previous year, primarily due to strong performance in key fields [3] - Petrobras expanded and renewed oil sales contracts with Indian state-owned refiners, covering sales of up to 60 million barrels valued at over $3.1 billion, effective until March 2027 [4]