About Archrock, Inc.

Archrock, Inc., incorporated in February 2007, is a wholly owned subsidiary of Universal Compression Holdings, Inc. (referred to as Universal). On August 20, 2007, Universal merged with Hanover Compressor Company (referred to as Hanover), forming a wholly owned subsidiary under Exterran, which serves as the parent company of both Universal and Hanover. Exterran Holdings, Inc. is a global leader and primary supplier in the full-service natural gas compression industry. The company offers a comprehensive range of operations, maintenance, services, and equipment throughout the production, processing, and transportation stages of oil and natural gas. Its worldwide client base spans all facets of the oil and gas industry, including major integrated oil and gas companies, national oil and gas entities, independent producers, natural gas processors, gatherers, and pipeline operators. The company operates mainly across three business lines: contract operations, fabrication, and aftermarket services. Through its contract operations, Exterran manages numerous natural gas compression units along with crude oil and natural gas production and processing equipment, delivering operational services to its clients. For more information, visit the company's website at http://www.archrock.com. Corporate Address: 9807 Katy Freeway Suite 100 Houston, Texas 77024