Shell Restores Production at Mars and Ursa in the Gulf of Mexico

HOUSTON,Nov. 5,2021 -- Shell Offshore Inc.,a subsidiary of Royal Dutch Shell plc,has safely and successfully re-started production at our Mars and Ursa platforms in the US Gulf of Mexico and began exporting oil and gas through the West Delta-143 (WD-143) "A" facility.

"Our Hurricane Ida recovery efforts are the latest example of how our people come together with great determination to tackle the biggest challenges of the day," said Zoe Yujnovich,Upstream Director. "We are proud to have safely restored our full production in the US Gulf of Mexico,where the barrels are among the lowest GHG intensity in the world."

On October 1,Shell safely and successfully re-started production at our Olympus platform in the Gulf of Mexico and began exporting oil and gas through the West Delta-143 (WD-143) "C" facility. When Mars and Ursa are fully ramped up,we will have 100% of Shell-operated production in the Gulf of Mexico back online,ahead of schedule from our initial estimates.

Notes to editors

The WD-143 facilities serve as the transfer station for all production from our assets in the Mars corridor in the Mississippi Canyon area of the Gulf of Mexico to onshore crude terminals. Production from Olympus flows across WD-143 "C" while production from our Mars and Ursa facilities flow across WD-143 "A".

The WD-143 platform,owned by Shell Offshore Inc. (71.5%) and BP Exploration & Production Inc (28.5%),is operated by Shell Pipeline Company LP.

The Mars corridor consists of Shell-operated tension leg platforms Mars,Olympus,and Ursa. Mars and Olympus ownership is: Shell Offshore Inc. (71.5%) and BP Exploration & Production Inc. (28.5%),respectively. Ursa ownership is: Shell Offshore Inc. (45.3884%),BP Exploration & Production Inc. (22.6916%),ExxonMobil Corporation (15.9600%),and ConocoPhillips Company (15.9600%).

Shell is the leading operator in the US Gulf of Mexico,with eight deep-water production hubs and a network of subsea infrastructure.

The reference to our US Gulf of Mexico production being among the lowest GHG intensity in the world is a comparison among other members of the International Association of Oil & Gas Producers

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