BRAD A. HUMMEL has served as President, Chief Executive Officer and a
director of Prime Medical Services, Inc., since June 2000. From October
1999 until June 2000, Mr. Hummel was Prime's Executive Vice President
and Chief Operating Officer. Before joining Prime, Mr. Hummel spent 16
years in various capacities, including serving as President and Chief
Executive Officer and as a member of the Board of Directors, with
Diagnostic Health Services, a multi-state provider of mobile and fixed-
based imaging services. From 1981 to 1984, Mr. Hummel was an associate
with Covert, Crispin & Murray, a Washington, DC and London-based
management-consulting firm. Prior to joining Covert, Crispin & Murray,
Mr. Hummel served as an Executive Assistant to former US Senator John C.
Culver. Mr. Hummel holds a bachelor's degree from the University of
TWST: Please give us a capsule summary of Prime Medical Services.
Mr. Hummel: Prime is generally known as a lithotripsy provider
and today lithotripsy is in fact one of our core business