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## SENIOR CORPORATE MANAGEMENT 

## David M. Demshur 

Chairman of the Board, President, and Chief Executive Officer 

## Richard L. Bergmark 

Executive Vice President and Chief Financial Officer 

## Monty L. Davis 

Senior Vice President and Chief Operating Officer 

## Mark F. Elvig 

Vice President, Secretary, and General Counsel 

## C. Brig Miller 

Vice President, Treasurer, and Chief Accounting Officer 

## Gwendolyn Y. Schreffler 

Global Human Resources Director 

## SENIOR OPERATIONS MANAGEMENT 

## Stephen J. Lee 

Vice President, Reservoir Description 

## Peter W. G. Boks 

Vice President, Reservoir Description 

## Michael J. Flecker 

Vice President, Production Enhancement 

## Jeffrey M. West 

Vice President, Production Enhancement 

## Randall S. Miller 

Vice President, Reservoir Management 

## James L. Gresham 

Vice President, Business Development 

## BOARD OF SUPERVISORY DIRECTORS 

## David M. Demshur, Chairman of the Board 

President and Chief Executive Officer 

## Richard L. Bergmark, Director & Officer 

Executive Vice President and Chief Financial Officer 

## Charles L. Dunlap, Director 

Chief Executive Officer, Transmontaigne Partners 

## Lucia van Geuns, Director 

Senior Fellow, Clingendael International Energy Programme 

## Michael C. Kearney, Director 

Former President and Chief Executive Officer, DeepFlex, Inc. 

## Margaret A. van Kempen, Director 

Managing Director, Van Kempen Associates 

## D. John Ogren, Director 

Former Senior Vice President, Conoco, Inc. 

## Jan Willem Sodderland, Director 

Chairman of the Supervisory Board, Bank of Tokyo-Mitsubishi UFJ (Holland) N.V. 

## Stephen D. Weinroth, Chairman Emeritus 

Managing Member, Hudson Capital Advisors, LLC 

## INDEPENDENT AUDITORS 

PricewaterhouseCoopers LLP 1201 Louisiana, Suite 2900 Houston, Texas 77002 

## TRANSFER AGENT AND REGISTRAR 

Computershare Trust Company, N.A. 250 Royall Street Canton, MA 02021 

## MARKET INFORMATION 

Listed on NYSE Symbol: CLB US Listed on NYSE Euronext Symbol: CLB NA 

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