For Immediate Release U.S. HealthWorks Announces Management Changes VALENCIA, CALIF. - May 1, 2007 - Privately held U.S. HealthWorks, the nation's second largest operator of outpatient occupational health and urgent care centers, today announced the promotion of Steven F. McLaughlin to the newly created position of Executive Vice President - Operations. In his new position he will oversee clinic operations nationwide and be located in Valencia, reporting to the Chief Executive Officer. Most recently Mr. McLaughlin was Senior Vice President and General Manager of the Company's West Division, which included Washington, Alaska, Arizona, Ohio and Indiana. "In a strong senior management team, Steve has distinguished himself as a leader, delivering results by maintaining focus on key business drivers, cultivating cooperation across the enterprise, developing a strong team of reports and delegating effectively," said U.S. HealthWorks CEO Daniel D. Crowley. "I am pleased to announce his promotion and look forward to his implementation of best practices throughout our clinic operations." In another key management change, Joseph T. Mallas has been named Senior Vice President - Revenue Management. In his new role, he will oversee billing and collections nationwide, reporting to the CEO. Joe's previous role was Senior Vice President and General Manager of the Company's East Division, which included Texas, Florida, Georgia, North Carolina, New Jersey, Pennsylvania and Maine. "Joe has an excellent management and leadership track record in the organization," said Mr. Crowley. "He has a gift for improving business processes. As a result, the billing and collection center in his Division has emerged as a best practice leader. His extensive experience and knowledge of the business will enable him systematically to work with operations to implement best practices in the billing and collections process across the enterprise." Therese M. Hernandez will report to Mr. McLaughlin and will continue to lead the Company's largest group of clinics as Senior Vice President - California Operations. "Therese has done an excellent job leading California operations," said Mr. Crowley. "She and her team have grown market share impressively in an environment of declining injury rates. Centralization of billing and collections management under Mr. Mallas will enable her to direct more energy toward clinic acquisitions throughout the state to support our continued growth." Andrew J. Parker, MD, Chief Medical Officer, will also report to Mr. McLaughlin and will continue to lead quality assurance, clinical training and national coding. Regional medical directors will report through the operational leaders in their regions. Gregory C. Marotta was promoted to Vice President - East and will add to his responsibilities oversight of clinic operations in Florida, Georgia and North Carolina. Mr. Marotta was previously Regional Vice President - Northeast. Edward "Ned" Pucek, Regional Vice President - Southwest, who leads clinic operations in Texas, will assume responsibility for Arizona as well. Mark D. Thomet, who leads sales in Texas reporting to Mr. Pucek, will become Regional Sales Director - Southwest and assume sales leadership responsibility in Arizona. U.S. HealthWorks was founded in 1995 and is a leading national operator of occupational health and urgent care centers specializing in injury care, early return-to-work programs, injury prevention and wellness programs. Operating 114 medical centers and 37 worksite clinics in 14 states with more than 2,000 employees and approximately 350 affiliated physicians, U.S. HealthWorks centers serve more than 10,000 patients each day. For more information, visit www.ushealthworks.com.