Conference Call Accessible Via Live WebcastBOTHELL, WA, April 16, 2004 - SonoSite, Inc. (Nasdaq: SONO), the leader in high-performance, hand-carried ultrasound, today announced that the Company will report its first quarter financial results on Thursday, April 29, 2004 at the close of market and hold a conference call at 1:30 pm PDT/4:30 pm EDT to discuss its first quarter performance, outlook for 2004 and current corporate developments. The call will be broadcast live and can be accessed via the "Investors" Section of SonoSite's website at www.sonosite.com. A replay of the audio webcast will be available beginning April 29, 2004, 4:30 pm (PDT) until May 10, 2004, 12:00 midnight (PDT) by dialing (719) 457-0820 or toll-free (888) 203-1112. The confirmation code 398334 is required to access the replay. The call will be also archived on SonoSite's website at http://ir.sonosite.com/. 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 eight subsidiaries and a global distribution netwok in over 75 countries. 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.