Masoneilan Company Ltd.

Robert D. Woltil is Senior Vice President and Chief Financial Officer. Prior to joining Dresser in 2005, he was a partner with Tatum Partners, LLP, a nationally recognized financial and information technology consulting firm. He has also served as Chief Financial Officer of Sun Healthcare Group, Inc. and held numerous senior management positions, including Chief Financial Officer, with Beverly Enterprises, Inc. Mr. Woltil is a CPA, and he has also worked in public accounting firms, including KPMG.

J. Scott Matthews is Senior Vice President, Corporate Development. He has served in various roles in the domestic and international oil and gas industry for over 23 years. He started his career in 1969 as a CPA with Arthur Young & Co. and subsequently served with Roy M. Huffington, Inc. in business development, contract negotiation, financing and management of the company's domestic and international LNG and refinery projects. He was a founding partner in an independent oil & gas operating company and later was President and CEO of Compressor Systems, Inc.

Linda Rutherford is Senior Vice President and General Counsel of Dresser, Inc. Before joining Dresser in May 2006, she was Vice President and General Counsel for the Network Centric Systems technology business of Raytheon Company, where she had worked since 1999. From 1990 to 1996, she held management positions with First Interstate Bank of Texas, N. A. (Wells Fargo Bank, N. A.), and from 1984 to 1990 she practiced with the law firm of Winstead, McGuire, Sechrest & Minick, P. C.

Mark Scott is Senior Vice President, Human Resources. Prior to joining Dresser in May 2004, Mr. Scott had served as Vice President, Human Resources of Saint Gobain Corporation and CertainTeed Corporation. He has held human resources positions with Case Corporation, FMC Corporation, Nestle and The Sherwin Williams Company. Prior to beginning his career in human resources in 1985, Mr. Scott was engaged in the private practice of law and was admitted to the bar in Illinois, South Carolina and Georgia.

Jenny Haynes is Vice President, Investor Relations and Communications of Dresser, Inc. She joined Dresser in June 2005. Prior to joining Dresser, she was Vice President, Investor Relations and Corporate Communications of Odyssey HealthCare, Inc., a nationwide publicly held healthcare services company, from 2003 to 2005 and Vice President of Optical Switch Corp. from 2000 to 2002. She also held various senior level positions with Paging Network, Inc., an international wireless company, from 1992 to 2000, including Vice President of Human Resources and Vice President of Investor Relations and Corporate Communications.

Bernard J. Duroc-Danner is chairman of the board, president and chief executive officer of Weatherford International Ltd (NYSE: WFT), one of the largest global providers of innovative mechanical solutions, technology and services for the drilling and production sectors of the oil and gas industry. Weatherford operates in over 121 countries and employs more than 34,000 people worldwide. Dr. Duroc-Danner was directly responsible for the 1987 start up of EVI, Inc. in the oilfield service and equipment industry and has directed the growth of EVI and later Weatherford since then to date. EVI's revenues the first year were less than $20 million. In 1998, EVI, Inc. acquired Weatherford Enterra and adopted the new name of Weatherford International, Inc. Today, Weatherford International's revenue base has grown to over $7 billion with a market capitalization of about $20 billion. Along the way, in 2000, Weatherford dividended Grant Prideco to its shareholders, and Grant now trades separately on the New York Stock Exchange. Growth was from inception both organic and acquisitive with industrial fit as its guiding principle. Dr. Duroc-Danner is a director of Helix Energy Solutions Group, Inc. (a marine contractor and operator of offshore oil and gas properties and production facilities). Dr. Duroc-Danner is also a member of the National Petroleum Council and the Society of Petroleum Engineers. Dr. Duroc-Danner's family has been in the oil business for two generations. Before forming EVI, Inc., Dr. Duroc-Danner held positions at Arthur D. Little Inc. and Mobil Oil Inc. He holds a Ph.D. in economics from Wharton (University of Pennsylvania). Dr. Duroc-Danner is married with four children.

David M. Dolan is Corporate Secretary and Associate General Counsel of Dresser, Inc. Prior to joining the company in 2005, he served as General Counsel of the T-Mobile HotSpot wireless broadband operations of T-Mobile USA, Inc. since 2002; Vice President and General Counsel of MobileStar Network Corporation, a predecessor company, since 2000; Senior Counsel--Corporate Affairs of Kimberly-Clark Corporation, a consumer products company, from 1992 through 1999; and a corporate/securities associate with the law firm of Akin, Gump, Strauss, Hauer & Feld, L.L.P. from 1985 to 1992. Mr. Dolan's practice consists primarily of corporate and securities law.

Richard T. Kernan is Treasurer of Dresser, Inc. Mr. Kernan previously served as International Treasurer of Trinity Industries, Inc.; Assistant Treasurer-International of Dresser Industries; and Treasurer for Dresser-Rand Company. Prior to his joining Dresser-Rand Company in 1987, Mr. Kernan held various financial positions with Abbott Laboratories.

William E. Macaulay is the Chairman and Chief Executive Officer of First Reserve Corporation, a Connecticut-based private equity investment firm, which he joined in 1983. Mr. Macaulay served as a director of Weatherford Enterra from October 1995 to May 1998. He serves as a director of Dresser-Rand Group, Inc. (a supplier of compression and turbine equipment to the oil, gas, petrochemical and industrial process industries).