Register Here for Electronic Delivery of Stockholder Materials

We are pleased to offer our Stockholders the benefits and convenience of electronic delivery, including:

Elimination of bulky paper documents from your personal files
Convenient online proxy voting
The quickest delivery possible of the proxy statement, annual report and related materials to stockholders
Reduction of printing and mailing costs associated with more traditional delivery methods, which allows us to control expenses in the interest of delivering more value for all our stockholders

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You are a Employee Plan Participant if you participate in the Schlumberger Discounted Stock Purchase Plan or if you have outstanding options or awards in the Schlumberger Stock Incentive Plans.

You are a Beneficial Stockholder if you maintain your position with a bank or brokerage account.

You are a Domestic Registered Stockholder if your account is maintained at Computershare and you have a U.S. or Canadian Social Security number or Tax ID.

You are a Foreign Registered Stockholder if your account is maintained at Computershare and you do not have a U.S. or Canadian Social Security number or Tax ID.

Register Here for Electronic Delivery of Stockholder Materials

Employee Plan Participants

Beneficial Stockholders

Domestic Registered Stockholders

Foreign Registered Stockholder