Conference Call Accessible Via Live Webcast BOTHELL, WA - February 1, 2006 - Sonosite, Inc. (Nasdaq:SONO), the world leader in hand-carried ultrasound, today announced that the Company will report its fourth quarter and 2005 year-end results on Wednesday, February 15, 2006 at the close of market. A conference call will be held at 1:30 pm PT / 4:30 pm ET where management will discuss fourth quarter and year-end performance, outlook for 2006 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 February 15, 2006, 4:30 pm (PT) until March 1, 2006, at 9:59 pm (PT) by dialing (719) 457-0820 or toll-free (888) 203-1112. The confirmation code, 2555824, is required to access the replay. The call will also be archived on Sonosite's website at http://ir.sonosite.com.

About Sonosite
Sonosite, Inc. (www.sonosite.com) is the innovator and world leader in hand-carried ultrasound, with an installed base of more than 25,000 systems. The company, headquartered near Seattle, is represented by eight subsidiaries and a global distribution network 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 470 people worldwide.