Press Releases

27% REVENUE GROWTH TO $71.1 Million 51% EBIT GROWTH TO $4.0 Million 52% EBITDA GROWTH TO $6.6 Million 62% EBITDAS GROWTH TO $8.7 Million

Conference Call Webcast Live Today at 1:30 pm Pacific/4:30 pm Eastern

BOTHELL, WA - April 25, 2011 - SonoSite, Inc. (Nasdaq:SONO), the world leader and specialist in bedside and point-of-care ultrasound, today reported financial results for the first quarter ended March 31, 2011.

REVENUE Revenue for the first quarter of 2011 was $71.1 million, an increase of 27% compared to $56.0 million in the first quarter of 2010. Revenue from VisualSonics, Inc., acquired in June 2010, was $8.2 million for the quarter.

Foreign currency rates had a 2% favorable impact on first quarter revenue results.

FIRST QUARTER HIGHLIGHTS

The US Sector delivered another quarter of double-digit revenue growth, up $4.5 million or 21%; Strong performance by the US Enterprise channel, which grew 71% compared to the prior year; VisualSonics successfully launched the Vevo® LAZR Photoacoustics Imaging system at the American Association of Cancer Research, receiving positive feedback and interest among scientific researchers.

EBITDAS, EBITDA and Operating Income (EBIT) First Quarter Results First quarter EBITDAS was $8.7 million or 12% of revenue, an increase of 62% over the prior year.

BOTHELL, WA - April 5, 2011 - SonoSite, Inc. (Nasdaq:SONO), the world leader and specialist in bedside and point-of-care ultrasound, today announced that it will report the company’s first quarter financial results on Monday, April 25, 2011 at the close of market and will host a conference call at 1:30 pm PT/4:30 ET. The call will be broadcast live and can be accessed via SonoSite’s website at www.sonosite.com/investorinformation/webcasts .

A replay of the audio webcast will be available beginning April 25th at 5:30 pm PT and will be available until May 9th at 11:59 pm PT by dialing (719) 457-0820 or toll-free (888) 203-1112. The confirmation code 2602385 is required to access the replay. The call will also be archived on SonoSite’s website.

About SonoSite SonoSite, Inc. ( www.sonosite.com ) is the innovator and world leader in bedside and point-of-care ultrasound and an industry leader in ultra high-frequency micro-ultrasound technology and impedance cardiography equipment. Headquartered near Seattle, the company is represented by ten subsidiaries and a global distribution network in over 100 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 VEVO LAZR PHOTOACOUSTICS IMAGING SYSTEM

NEW TECHNOLOGY IMPROVES DIAGNOSTICS AND THE DISCOVERY OF NEW THERAPEUTICS

The Vevo LAZR System Debuts at the American Association of Cancer Research (AACR) April 3-6, Orlando, Florida

TORONTO, Canada - March 24, 2011 - VisualSonics Inc. , a leader in real time, in vivo, high-resolution micro-imaging systems and a wholly-owned subsidiary of SonoSite Inc. , (Nasdaq:Sono), today announced the launch of the Vevo® LAZR Photoacoustics Imaging system for the advancement of cancer research in the pre-clinical imaging market. This revolutionary technology combines the sensitivity of optical imaging with the resolution and depth penetration of high-frequency ultrasound, enabling researchers to study cancer in its earliest stages of progression and detect and evaluate tumor growth. For the first time, researchers will be able to observe tumor biology, measure hypoxia (oxygen levels), evaluate changes in blood flow, and quantify data with...

28% Fourth Quarter 2010 Revenue Growth 74% Fourth Quarter 2010 Ebitdas Growth

21% Full-Year 2010 Revenue Growth 60% Full-Year 2010 Ebitdas Growth

Conference Call Webcast Live Today at 1:30 pm Pacific/4:30 pm Eastern

BOTHELL, WA – February 17, 2011 – SonoSite, Inc. (Nasdaq:SONO), the world leader and specialist in bedside and point-of-care ultrasound, today reported financial results for the fourth quarter and year ended December 31, 2010.

REVENUE Revenue for the fourth quarter was $89.3 million, an increase of 28% for the quarter. Full-year 2010 revenue reached $275.4 million compared to $227.4 million in 2009, an increase of 21%.

VisualSonics, Inc. revenue was $8.9 million for the quarter, representing the second consecutive strong performance since the company was acquired in June 2010.

SonoSite revenue, excluding VisualSonics, was $80.4 million, an increase of 15% compared to the fourth quarter of 2009, and $257.7 million for the full-year, an increase of 13%.

Foreign currency rates had negligible impacts on fourth quarter and full-year results.

HIGHLIGHTS