Geomark Research, Ltd.| Petroleum Services Division |

Contact Us Headquarters GeoMark Research, Ltd. 9748 Whithorn Drive Houston, Texas 77095 Tel: 281/856-9333 Fax: 281/856-2987 info@geomarkresearch.com	Regional Map

Stephen W. Brown President sbrown@geomarkresearch.com Kevin A. Ferworn Vice President kferworn@geomarkresearch.com Marie Hlozek Worth Office Manager/Accounting mhlozek@geomarkresearch.com Mari Trevino Accounting Assistant mtrevino@geomarkreseach.com	John E. Zumberge Senior Vice President jzumberge@geomarkresearch.com Harold A. Illich Chief Geologist hillich@geomarkresearch.com Kendra D. Imbus Laboratory Manager kimbus@geomarkresearch.com Julie He Senior Chemist zhe@geomarkresearch.com Margaret V. Johansson Consultant mjohansson@geomarkresearch.com

Gulf Coast Laboratory Petroleum Services Division GeoMark Research, Ltd. 115 Zonolite Street Lafayette, Louisiana 70508 Tel: 337/261-4002 Fax: 337/261-5045 info@geomarkresearch.com	Our Lafayette laboratory is conveniently located adjacent to the Lafayette Airport.

Scott J. Granger General Manager sgranger@geomarkresearch.com Alex Gomez Lab Technician agomez@geomarkresearch.com Rene Guidry Lab Technician rguidry@geomarkresearch.com	Ben Holmes Lab Technician bholmes@geomarkresearch.com Jonathon Angelle Logistics Jangelle@geomarkresearch.com

Source Rock Petroleum Division GeoMark Research Inc. 218 Higgins Street Humble, TX 77338 Tel: 832/644-1184 Fax: 832/644-1318

Brian Jarvie General Manager bjarvie@geomarkresearch.com

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