Petrobras and Shell Raise Stakes in Brazil’s Atapu and Mero Pre-Salt Fields

Petrobras and Shell have increased their participation in Brazil’s Atapu and Mero pre-salt reservoirs after securing additional equity in an auction held by Pré-Sal Petróleo (PPSA).

The consortium formed by Petrobras (80%), in partnership with Shell Brasil Petróleo (20%), acquired 3.500% participation in the production sharing agreement of the Mero shared reservoir, offering a final amount of $1.47 billion.

With this acquisition, Petrobras has increased its participation in the Mero shared reservoir from 38.60% to 41.40%.

Additionally, also in partnership with Shell (26.76%), Petrobras (73.24%) acquired 0.950% participation in the production sharing agreement of the Atapu shared reservoir, offering a final amount of $189 million. With this acquisition, Petrobras has boosted its share in the Atapu shared reservoir from 65.687% to 66.38%.

Shell Brasil increased its participating interest in the units from 16.663% to 16.917% in Atapu and from 19.3% to 20% in Mero.

Petrobras’ participation in the PPSA Non-Contracted Areas Auction is aligned with the company’s long-term strategy, reaffirmed in the Business Plan 2026-30, which foresees the replacement of its oil and gas reserves with economic and environmental resilience.

“Today’s winning bid reinforces our disciplined approach to grow Shell’s high margin portfolio in Brazil. Our assets in Brazil are among