Regulatory News:

Schlumberger Limited (NYSE:SLB) will hold a conference call on January 22, 2021 to discuss the results for the fourth quarter and full year ending December 31, 2020.

The conference call is scheduled to begin at 8:30 am US Eastern time and a press release regarding the results will be issued at 7:00 am US Eastern time.

To access the conference call, listeners should contact the Conference Call Operator at +1 (844) 721-7241 within North America or +1 (409) 207-6955 outside of North America approximately 10 minutes prior to the start of the call and the access code is 2660129.

A webcast of the conference call will be broadcast simultaneously at www.slb.com/irwebcast on a listen-only basis. Listeners should log in 15 minutes prior to the start of the call to test their browsers and register for the webcast. Following the end of the conference call, a replay will be available at www.slb.com/irwebcast until February 22, 2021, and can be accessed by dialing +1 (866) 207-1041 within North America or +1 (402) 970-0847 outside of North America, and giving the access code 5881344.

About Schlumberger

Schlumberger is the world's leading provider of technology and digital solutions for reservoir characterization, drilling, production, and processing to the energy industry. With product sales and services in more than 120 countries and employing approximately 82,000 people as of the end of third quarter of 2020 who represent over 170 nationalities, Schlumberger supplies the industry's most comprehensive range of products and services, from exploration through production, and integrated pore-to-pipeline solutions that optimize hydrocarbon recovery to deliver reservoir performance sustainably.

Schlumberger Limited has executive offices in Paris, Houston, London, and The Hague, and reported revenues of $32.92 billion in 2019. For more information, visit www.slb.com.

Ndubuisi Maduemezia – Vice President of Investor Relations, Schlumberger Limited Joy V. Domingo – Director of Investor Relations, Schlumberger Limited

Office +1 (713) 375-3535 investor-relations@slb.com