PROSPECT PARTNERS INVESTS IN LEADING MEDICAL BILLING SERVICES COMPANY

CHICAGO, Ill.—April, 2003:Together with Management, Prospect Partners, LLC is proud to announce its investment in Marina Medical Billing Service, Inc. ("Marina Medical"), a leading provider of medical billing services to emergency room and anesthesiology groups.

For more than twenty years, Marina Medical has been a quality leader in medical billing services for emergency medicine, anesthesiology and trauma centers. Marina Medical is a "client-centered" company organized specifically to serve mid-size and larger medical groups. Marina Medical is distinguished by its commitment to physicians, and to ensuring that they are compensated fairly and promptly.

Marina Medical serves top ER and anesthesiology groups practicing in more than 70 hospitals, and processes more than one million patient encounters each year. Marina Medical provides a complete range of medical billing services to its clients, including CPT/ICD-9, and ASA coding, data entry, on-site staff, claims submission, accounts receivable (A/R) management, payment follow-up, collections, banking, fee schedule reviews, accounting and reporting, as well as advisory services on the reimbursement aspects of managed care contracts.

For Prospect Partners, Marina Medical is a promising new platform in the medical billing services arena. Together with Marina Medical, Prospect will seek to acquire other established specialists in medical billing services.

Prospect Partners, LLC is a $105 million private equity fund focused on management-led leveraged acquisitions of lower middle market companies with niche strategies.

For more information on Marine Medical, visit www.marinabilling.com.