GenMark Diagnostics Schedules Second Quarter 2011 Financial Results and Conference Call for August 5, 2011

GenMark Diagnostics, Inc. (NASDAQ:GNMK) today announced that it plans to release its second quarter 2011 earnings results before market open on Friday, August 5, 2011. Management will hold a conference call to review the Company's second quarter 2011 performance starting at 9:00 a.m. (Eastern Time) on the same day. The conference call will be concurrently webcast. The link to the webcast will be available on the GenMark Diagnostics, Inc. website at www.genmarkdx.com under the investor relations section and will be archived for future reference.

To listen to the conference call, please dial (877) 312-5847 (US/Canada) or (253) 237-1154 (International) and use the conference ID number "83859663" approximately five minutes prior to the start time.

About GenMark Diagnostics

GenMark Diagnostics is a leading provider of automated, multiplex molecular diagnostic testing systems that detect and measure DNA and RNA targets to diagnose disease and optimize patient treatment. GenMark's eSensor® XT-8 system supports a broad range of molecular diagnostic tests with a compact, easy-to-use workstation and self-contained, disposable test cartridges. GenMark tests that are FDA cleared for IVD use include the Cystic Fibrosis Genotyping Test, Warfarin Sensitivity Test, and Thrombophilia Risk Test. A Respiratory Viral Panel (RVP) is currently undergoing a clinical trial and tests for HCV Genotyping, 2C19, and KRAS are in development. For more information, visit www.genmarkdx.com.