Independent Survey Reports Outstanding SonoSite Customer Survey Results

Company Achieves 97% U.S. Customer Overall Satisfaction RatingTwo Regional Sales Managers Added to Strengthen U.S. Sales TeamBOTHELL, WA - April 4, 2005 - SonoSite, Inc. (Nasdaq: SONO), the world leader in hand-carried ultrasound, today announced the results of an independently conducted survey designed to monitor and track satisfaction levels of its U.S. customers regarding the SonoSite TITAN„¢, 180PLUS and 180 ELITE product lines. Customers gave their SonoSite products a resounding overall satisfaction rating of 97%. An overwhelming majority reported that SonoSite's hand-carried systems performance met or surpassed expectations relative to image quality, ease of use, durability, reliability and ergonomic design of transducers. The survey also reported that four out of five customers believe that the image quality of their SonoSite systems is either equal to or better than other ultrasound products."As the leader in the rapidly growing hand carried ultrasound market, customer satisfaction is a top priority," said Kevin M. Goodwin, SonoSite President and CEO. "We believe that our industry leading technology and dedicated focus will allow us to continue to achieve high satisfaction ratings with our customers and remain at the forefront of this market."Verispan, an independent health care information research firm, conducted the company-commissioned survey.Full U.S. Regional Management Sales Team In PlaceSonoSite also announced today the appointments of Dennis Della Penna and Craig Dickinson as regional sales managers who will be focused on addressing the growing sales and marketing opportunities in the U.S. hand carried ultrasound market. Mr. Della Penna, formerly with Philips Medical Systems, has over 25 years of experience in the ultrasound industry, and Mr. Dickinson, formerly with SpaceLabs Medical, brings 12 years of experience in the medical equipment business."We are pleased to welcome both Dennis and Craig to the SonoSite team and have now completed hiring the full complement of regional managers to drive our growth in the U.S. for the foreseeable future," said Ed Russell, Senior Vice President of U.S. Sales and Marketing. "With the planned expansion of our regional sales management team from four to six, and under the able leadership of Ward Sparacio, Director of National Sales, we are well positioned to capitalize on the many exciting opportunities before us. In addition, we will be able to enhance our ability to better serve existing customers."About SonoSiteSonoSite, Inc. (www.sonosite.com) is the innovator and world leader in hand carried ultrasound, with an installed base of more than 20,000 systems. The company, headquartered near Seattle, Washington is represented by seven subsidiaries and a global distribution network in over 75 countries. Approximately half of its revenues are generated from international markets. SonoSite's small, lightweight systems are expanding the use of ultrasound across the clinical spectrum by cost-effectively bringing high performance ultrasound to the point of patient care. The company employs approximately 450 people worldwide.