Primedex Health Systems to Present at the Roth Capital Partners 2006 New York Conference

Monday August 28, 9:00 am ET

LOS ANGELES--(BUSINESS WIRE)--Aug. 28, 2006--Primedex Health Systems, Inc. (OTCBB:PMDX - News), the California market leader in providing high-quality, cost-effective diagnostic imaging services through a network of fully-owned and operated outpatient imaging centers, today announced that Dr. Howard Berger, the Company's Chairman and Chief Executive Officer, and Mark Stolper, the Company's Chief Financial Officer, will be presenting at the Roth Capital Partners 2006 New York Conference to be held on September 6-7, 2006 at the Westin Times Square in New York.

The Primedex presentation is scheduled for 1:30 p.m. Eastern Time, Wednesday, September 6, 2006.

The presentation will be webcast live and archived online at the Investors section of the Company's website at www.radnetonline.com.

About Primedex Health Systems, Inc.
Primedex Health Systems, Inc. is the California market leader in providing high-quality, cost-effective diagnostic imaging services through a network of fully-owned and operated outpatient imaging centers. As of April 30, 2006, Primedex owned and operated 62 facilities. For its fiscal year ended October 31, 2005, Primedex and its subsidiaries performed 958,414 diagnostic imaging procedures. At October 31, 2005, together with Beverly Radiology Medical Group, the medical group that provides medical services to the majority of the Company's locations, the Company had a total of 951 full-time and 340 part-time and per-diem employees. For more information, visit www.radnetonline.com.

Primedex Health Systems, Inc.
Mark Stolper
310-445-2800

Integrated Corporate Relations, Inc.
John Mills
310-954-1105
jmills@icrinc.com