Your Schlumberger Public Website Registration - Precautionary Measures

This message contains graphics. If you do not see the graphics, [click here to view](. Join us for the grand opening of the Productivity Enhancement Research Facility to see how we integrate testing in real rocks at downhole conditions with advanced modeling to accurately simulate your perforating operations and maximize reservoir productivity. Dear Schlumberger website user, We are contacting you because you have previously registered on our public website to access additional reference materials. We have learned that some of your registration details were accessed by an unauthorized party. The registration page and database, which are managed by a third-party service provider, have been disabled while we address the issue. Schlumberger and our service provider are reviewing this matter. As a precautionary measure, when the premium content page is reactivated, you will be required to update your password when you log in. We also recommend that you update your password on any website where you may have used the same password, and remain cautious of suspicious emails. Based on our review of the issue to date, this incident is isolated to the registration data you provided as a visitor to our public website. No operational service disruption has resulted from the incident, which was isolated to our public website. We are taking this incident seriously, and we understand the value you place on your data. Protecting your data is a top priority, and if you have questions, please contact us at [acctsupport@slb.com](. Copyright © 2021 Schlumberger. Other company, product, and service names are the properties of their respective owners. 4646 West Sam Houston Parkway N, Houston, TX 77041, United States. You are subscribed to Schlumberger mailings as: {EMAIL} - [Manage your subscriptions]( - [Terms of Service]( - [Unsubscribe from this list](