Shell Reports Damage Assessment of WD-143 from Hurricane Ida

HOUSTON,Sept. 20,2021 -- Shell Offshore Inc.,a subsidiary of Royal Dutch Shell plc,has conducted a comprehensive damage assessment of our West Delta-143 (WD-143) offshore facilities from Hurricane Ida that revealed significant structural damage. We estimate that our WD-143 "A" platform facilities will be off line for repairs until the end of 2021,and that the facilities on our WD-143 "C" platform will be operational in Q4 2021.

The WD-143 facilities serve as the transfer station for production from our assets in the Mars corridor in the Gulf of Mexico to onshore crude and natural gas terminals.

Given the timeline for repairs to WD-143,we expect to resume production from our Olympus platform,which flows across the WD-143 "C" platform,in Q4 2021,and from our Mars and Ursa facilities,which flow across the WD-143 "A" platform,in Q1 2022. Our Perdido asset in the southwestern Gulf of Mexico was never disrupted by Hurricane Ida,and our floating production,storage and offloading vessel,the Turritella (also known as Stones),is on line. At this stage of the recovery,approximately 60% of Shell-operated production in the Gulf of Mexico is back on line.

As we continue to assess and address the impact of Hurricane Ida on our businesses,our top priorities continue to be the protection and recovery of our people and assets,the community and the environment.

Notes to editors

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 (16.9600%).

To find out more about hurricane preparedness,including potential impacts to our offshore assets,please visit the Shell Hurricane Center: www.shell.us/stormcenter.

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