Rigs

Management Team

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Willy Henderson, Cementing Operations Manager

Prior to joining ThermaSource Cementing, Mr. Henderson worked for Halliburton from 1984 through 2008, starting as an Equipment Operator and advancing to Service Coordinator. Mr. Henderson retired from Halliburton in March of 2008 with over 30 certification courses and honors completed in health, safety, leadership, and team management. With over 24 years in the geothermal industry working all through Nevada, Hawaii, Oregon, from El Centro, CA, to the Geysers, Mr. Henderson brings his seasoned industry and thought leadership to ThermaSource Cementing, Inc.

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Marc Brennen, Director Business Development & Marketing

Prior to ThermaSource, Mr. Brennen served as Senior Account Representative with Halliburton Energy Services. Prior to Halliburton, Mr. Brennen held technical sales positions with BJ Services from 1981 to 1998. Mr. Brennen joined ThermaSource in 2008 as the Director of Business Development & Marketing. Mr. Brennen will oversee all business development opportunities for ThermaSource, LLC, with a focus on the success of the newly formed ThermaSource Cementing, Inc. Mr. Brennen received a B.A. in Geology from Capital University, in Columbus, Ohio.

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Robert Valentine, Field Operations Manager

Prior to joining ThermaSource Cementing, Mr. Valentine spent 31 years with Halliburton. While at Halliburton, Mr. Valentine helped to develop and implement slurry designs for geothermal drilling and work over operations in Northern and Southern California, Oregon, Hawaii, and Nevada. Mr. Valentine has aided customers in reducing their overall cementing costs by implementing new materials and innovative processes for geothermal projects throughout the Western US and Canada.

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Hamid Najafi, Cementing Engineering Manager

Prior to joining ThermaSource Cementing, Mr. Najafi worked in a technical professional position with Halliburton Cementing. Here he provided fluid engineering, technical support, computer simulation and data acquisition for cementing operations in geothermal and natural gas operations. While at Halliburton, Mr. Najafi also conducted well temperature simulations and developed software to accommodate rigorous fluids and cementing calculations. Mr. Najafi earned a BS in Chemical Engineering from Cal Poly at Pomona, California.

Pete Joy, Field Supervisor

Prior to ThermaSource Cementing, Mr. Joy spent 10 years with Haliburton and 5 of those years as a Field Supervisor. During his time at Haliburton he accrued over 40 safety course certificates. Mr. Joy is a Defensive driving instructor, a California D.M.V. commercial driving examiner and has spent 35 years in the trucking industry. Fifteen of those years were spent managing his own trucking company. Mr. Joy studied Oceanography at Palomar College in San Diego and is the proud father of 7 children and has 3 grandchildren.

About The Parent Company, ThermaSource, Inc.

ThermaSource Cementing, Inc. is wholly owned subsidiary of ThermaSource, LLC, one of the largest geothermal drilling contractors in the United States.

ThermaSource has been an integral contributor to the geothermal industry for the past three decades. The company was founded in Santa Rosa, CA in 1980 by Louis E. Capuano, Jr. ThermaSource has worked on a variety of geothermal projects, operating as project managers as well as vital members of geothermal project management teams. ThermaSource has had a hand in nearly all the geothermal projects around the world, and has a combined expertise of 100 years of geothermal work amongst its management team. In 2008, ThermaSource expanded it services offered, by starting ThermaSource Cementing, Inc.

To learn more about ThermaSource, LLC, visit www.ThermaSource.com