Schlumberger Announces Agreement to Acquire SPT Group

Industry-Leading Multiphase Flow Modeling Software Enhances Software Portfolio for the Production Domain

LONDON, March 20, 2012—Schlumberger announced today that it has entered into an agreement with Altor Fund II to acquire SPT Group—a privately owned software company specialized in dynamic modeling for the oil and gas industry. The company provides a combination of software and consulting services for multiphase flow and reservoir engineering applications. Closing is subject to customary regulatory approvals.

“The dynamic modeling and reservoir optimization software of SPT Group will complement the existing Schlumberger production software portfolio,” said Tony Bowman, President, Schlumberger Information Solutions (SIS). “In combination with the Petrel* E&P software platform and other SIS technologies, this will enable customers to further optimize production from reservoir performance to processing facilities.”

“This is a great testament to our employees and a remarkable opportunity for the company,” commented Tom Even Mortensen, Chief Executive Officer of SPT Group. He continued, “Combining the skills, abilities, presence and technologies of the two companies will further increase the scale of our activities and enable continued delivery of products and services with the quality and pace the market demands.” SPT Group Chairman and Altor Partner Reynir Indahl added, “We are proud to have developed a very successful company together with SPT Group management, and believe that Schlumberger will be a great home for SPT and its employees.”

SPT Group, founded in 1971, is headquartered in Norway and employs approximately 280 people in 11 countries worldwide. The company is a leader in dynamic modeling of multiphase flow and reservoir optimization through renowned software products and a global team of professional consultants. SPT Group has invested more than most comparable firms in developing cutting-edge technology. The company’s employees, global presence, close ties to industry research environments, and clear focus on customer needs have been important factors in its success.

About Schlumberger

Schlumberger is the world’s leading supplier of technology, integrated project management and information solutions to customers working in the oil and gas industry worldwide. Employing more than 113,000 people representing over 140 nationalities and working in approximately 85 countries, Schlumberger provides the industry’s widest range of products and services from exploration through production.

Schlumberger Limited has principal offices in Paris, Houston and The Hague, and reported revenues of $39.54 billion in 2011.