UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549





FORM 10-K/A

(Amendment No. 1)







|x | Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ------------------------------------------------------------------------------------

For the fiscal year ended December 31, 2009

OR



| ̈ | Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from
 to
.

Commission file no. 0-23791





LOGO

SONOSITE, INC.

(Exact name of registrant as specified in its charter)







|                                                               |  |                                        
|-------------------------------------------------------------- |  | ---------------------------------------
|Washington                                                     |  | 91-1405022                             
|(State or other jurisdiction
of incorporation or organization) |  | (I.R.S. Employer
Identification Number)

21919 30th Drive S.E.

Bothell, WA 98021-3904

(425) 951-1200

(Address and telephone number of registrants principal executive offices)

Securities registered pursuant to Section 12(b) of the Act:

None

Securities registered pursuant to Section 12(g) of the Act:

Common stock, $0.01 par value





Indicate by
check mark if the registrant is a well-known seasoned issuer (as defined in Rule 405 of the Securities
Act).    Yes   ̈    No  x

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the
Act.    Yes   ̈    No  x

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the
Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90
days.    Yes  x    No   ̈

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive
Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such
files).    Yes   ̈    No   ̈

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will
not be contained, to the best of the registrants knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.   ̈

Indicate by check mark whether the registrant is
a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of large accelerated filer, accelerated filer and smaller reporting company in Rule
12b-2 of the Exchange Act. (Check one):



|                                                                       |  |                             
|---------------------------------------------------------------------- |  | ----------------------------
|Large accelerated filer   ̈                                             |  | Accelerated filer  x        
|Non-accelerated filer   ̈ (Do not check if a smaller reporting company) |  | Smaller reporting company   ̈

Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act Rule 12b-2).
Yes   ̈    No  x

The aggregate market value of the voting stock held by nonaffiliates of the registrant, based on the closing sale price of the
registrants Common Stock on June 30, 2009 as reported on the Nasdaq National Market, was $346,077,799.

As of
February 19, 2010, there were 17,465,254 shares of the registrants common stock outstanding.

DOCUMENTS
INCORPORATED BY REFERENCE

The information required by Part III of this report, to the extent not set forth herein, is
incorporated by reference from the registrants definitive proxy statement relating to the annual meeting of shareholders to be held in 2010, which definitive proxy statement shall be filed with the Securities and Exchange Commission within 120
days after the end of the fiscal year to which this report relates.









---

Explanatory Note

SonoSite, Inc. (the Company) is filing this Amendment No. 1 (Amendment No. 1) to its Annual Report on Form
10-K for the fiscal year ended December 31, 2009 (the Form 10-K) as an exhibit-only filing in response to comments received from the staff of the Securities and Exchange Commission regarding a request for confidential treatment of
certain portions of Exhibit 10.22 originally filed with the Form 10-K. This Amendment No. 1 is being filed solely to re-file Exhibit 10.22 and to amend and restate Item 15(a)(3) of the Form 10-K and the related Exhibit Index included
in the Form 10-K. In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, as amended, new certifications by the Companys principal executive officer and principal financial officer are filed as exhibits to this
Amendment No. 1.

Except as described above, this Amendment No. 1 does not reflect events occurring after the filing of the
original Form 10-K and no revisions are being made pursuant to this Amendment No. 1 to the Companys financial statements or any other disclosure contained in the Form 10-K.



---

PART IV



|ITEM 15. | EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
|-------- | ------------------------------------------

(a) Documents filed as part of this report:



---

(3) Exhibits.



|           |  |                                                                                                                                                                                        
|---------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|ExhibitNo. |  | Description                                                                                                                                                                            
|1.1(K)     |  | Underwriting Agreement between J.P. Morgan Securities Inc. and the registrant dated July 10, 2007 (exhibit 1.1)                                                                        
|           | 
|3.1(A)     |  | Restated Articles of Incorporation of the registrant (exhibit 3.1)                                                                                                                     
|           | 
|3.2(D)     |  | Amended and Restated Bylaws of the registrant (exhibit 3.1)                                                                                                                            
|           | 
|4.1(K)     |  | First Supplemental Indenture between Wells Fargo Bank, NA and the registrant dated July 16, 2007 (exhibit 4.1)                                                                         
|           | 
|4.2(M)     |  | Amended and Restated Rights Agreement dated November 28, 2007 by and between the registrant and Computershare Trust Company N.A. (exhibit 4.1)                                         
|           | 
|4.3(M)     |  | Form of Rights Certificate (exhibit 4.2)                                                                                                                                               
|           | 
|10.1(F)    |  | 1998 Stock Option Plan, as amended and restated (exhibit 10.1)                                                                                                                         
|           | 
|10.2(A)    |  | Terms of Stock Option Grant Program for Nonemployee Directors under the SonoSite, Inc. 1998 Stock Option Plan (exhibit 10.2)                                                           
|           | 
|10.3(G)    |  | 1998 Nonofficer Employee Stock Option Plan, as amended and restated (exhibit 10.1)                                                                                                     
|           | 
|10.4(D)    |  | Nonemployee Director Stock Option Plan, as amended and restated (exhibit 10.3)                                                                                                         
|           | 
|10.5(B)    |  | Management Incentive Compensation Plan (exhibit 10.5)                                                                                                                                  
|           | 
|10.6(A)    |  | Technology Transfer and License Agreement between ATL Ultrasound, Inc. and the registrant, effective as of April 6, 1998, as amended (exhibit 10.9)                                    
|           | 
|10.7(E)    |  | Third Amendment to Technology Transfer and License Agreement between ATL Ultrasound, Inc. and the registrant, dated as of March 10, 2000 (exhibit 10.9)                                
|           | 
|10.8(C)    |  | Option Notice Agreement, dated July 17, 2000, between the registrant and Michael J. Schuh (exhibit 99.1)                                                                               
|           | 
|10.9(H)    |  | 2005 Employee Stock Purchase Plan (exhibit 10.2)                                                                                                                                       
|           | 
|10.10(I)   |  | 1998 Stock Option Plan Stock Option Award Agreement (exhibit 10.1)                                                                                                                     
|           | 
|10.11(J)   |  | Terms of Stock Option Grant Program for Nonemployee Directors under the SonoSite, Inc. 2005 Stock Incentive Plan (exhibit 10.1)                                                        
|           | 
|10.12(J)   |  | 2005 Stock Incentive Plan Stock Option Agreement (Non Statutory) (exhibit 10.2)                                                                                                        
|           | 
|10.13(J)   |  | 2005 Stock Incentive Plan Restricted Stock Unit Agreement (Non Statutory) (exhibit 10.3)                                                                                               
|           | 
|10.14(L)   |  | Call Option Transaction Confirmation, dated as of July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, National Association (exhibit 10.1)                            
|           | 
|10.15(L)   |  | Warrant Transaction Confirmation, dated as of July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, National Association (exhibit 10.2)                                
|           | 
|10.16(M)   |  | Form of Partial Unwind Agreement with respect to the Note Hedge Transaction Confirmation dated July 11, 2007, by and between SonoSite, Inc. and JP Morgan Chase Bank, NA (exhibit
10.1)
|           | 
|10.17(M)   |  | Form of Partial Unwind Agreement with respect to the Warrant Confirmation dated July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, NA (exhibit
10.2)                
|           | 
|10.18(N)   |  | Amended and Restated 2005 Stock Incentive Plan (exhibit 99.1)                                                                                                                          



---

|           |  |                                                                                                                                
|---------- |  | -------------------------------------------------------------------------------------------------------------------------------
|ExhibitNo. |  | Description                                                                                                                    
|10.19(O)   |  | FY2009 Variable Incentive Bonus Plan (exhibit 10.1)                                                                            
|           | 
|10.20(P)   |  | Form of Senior Management Employment Agreement by and between SonoSite, Inc. and each of its Named Executive Officers          
|           | 
|10.21    |  | Form of Indemnification Agreement by and between SonoSite, Inc. and each of its Named Executive Officers                       
|           | 
|10.22*    |  | Confidential Settlement and License Agreement dated October 16, 2009 by and between SonoSite, Inc. and General Electric Company
|           | 
|21.1     |  | Subsidiaries of the registrant                                                                                                 
|           | 
|23.1     |  | Consent of KPMG LLP, independent registered public accounting firm                                                             
|           | 
|24.1     |  | Power of attorney                                                                                                              
|           | 
|31.1     |  | Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.2     |  | Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.3      |  | Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.4      |  | Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|32.1     |  | Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)
|           | 
|32.2     |  | Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)



| | Filed herewith.
|- | ---------------

| | Previously filed.
|-- | -----------------

|* | Confidential treatment requested.
|- | ---------------------------------

|(A) | Incorporated by reference to the designated exhibit included in SonoSites Registration Statement on Form S-1 (Registration No. 333-714157) filed on
October 3, 1999.
|--- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(B) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K for the year ended December 31, filed on March 22,
1999.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------

|(C) | Incorporated by reference to the designated exhibit included in SonoSites registration statement on Form S-8 (Registration No. 333-51820) filed on
December 14, 2000.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(D) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on April 14, 2009.
|--- | ----------------------------------------------------------------------------------------------------------------------

|(E) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K for the year ended December 31, 2001 filed on
February 22, 2002.
|--- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------

|(F) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended March 31, 2002 filed on May 13,
2002.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------

|(G) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended June 30, 2002 filed on
August 13, 2002.
|--- | ------------------------------------------------------------------------------------------------------------------------------------------------------------

|(H) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on April 28, 2005.
|--- | ----------------------------------------------------------------------------------------------------------------------

|(I) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended June 30, 2005 filed on
August 9, 2005.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------

|(J) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on February 7, 2006.
|--- | ------------------------------------------------------------------------------------------------------------------------

|(K) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on February 16, 2007.
|--- | -------------------------------------------------------------------------------------------------------------------------

|(L) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q filed on August 9, 2007.
|--- | -----------------------------------------------------------------------------------------------------------------------



---

|(M) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on November 29, 2007.
|--- | -------------------------------------------------------------------------------------------------------------------------

|(N) | Incorporated by reference to the designated exhibit included in SonoSites registration statement on Form S-8 filed on May 2, 2008.
|--- | -----------------------------------------------------------------------------------------------------------------------------------

|(O) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended March 31, 2009 and filed on May 4,
2009.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------

|(P) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K filed on March 12, 2009.
|--- | -----------------------------------------------------------------------------------------------------------------------



---

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Company has duly caused this
Amendment No. 1 to be signed on its behalf by the undersigned, thereunto duly authorized.



SONOSITE, INC.By

/S/    MARCUS Y.
SMITHMarcus Y. Smith
Senior Vice President and Chief Financial Officer


Date: September 7, 2010



---

INDEX TO EXHIBITS



|           |  |                                                                                                                                                                                        
|---------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|ExhibitNo. |  | Description                                                                                                                                                                            
|1.1(K)     |  | Underwriting Agreement between J.P. Morgan Securities Inc. and the registrant dated July 10, 2007 (exhibit 1.1)                                                                        
|           | 
|3.1(A)     |  | Restated Articles of Incorporation of the registrant (exhibit 3.1)                                                                                                                     
|           | 
|3.2(D)     |  | Amended and Restated Bylaws of the registrant (exhibit 3.1)                                                                                                                            
|           | 
|4.1(K)     |  | First Supplemental Indenture between Wells Fargo Bank, NA and the registrant dated July 16, 2007 (exhibit 4.1)                                                                         
|           | 
|4.2(M)     |  | Amended and Restated Rights Agreement dated November 28, 2007 by and between the registrant and Computershare Trust Company N.A. (exhibit 4.1)                                         
|           | 
|4.3(M)     |  | Form of Rights Certificate (exhibit 4.2)                                                                                                                                               
|           | 
|10.1(F)    |  | 1998 Stock Option Plan, as amended and restated (exhibit 10.1)                                                                                                                         
|           | 
|10.2(A)    |  | Terms of Stock Option Grant Program for Nonemployee Directors under the SonoSite, Inc. 1998 Stock Option Plan (exhibit 10.2)                                                           
|           | 
|10.3(G)    |  | 1998 Nonofficer Employee Stock Option Plan, as amended and restated (exhibit 10.1)                                                                                                     
|           | 
|10.4(D)    |  | Nonemployee Director Stock Option Plan, as amended and restated (exhibit 10.3)                                                                                                         
|           | 
|10.5(B)    |  | Management Incentive Compensation Plan (exhibit 10.5)                                                                                                                                  
|           | 
|10.6(A)    |  | Technology Transfer and License Agreement between ATL Ultrasound, Inc. and the registrant, effective as of April 6, 1998, as amended (exhibit 10.9)                                    
|           | 
|10.7(E)    |  | Third Amendment to Technology Transfer and License Agreement between ATL Ultrasound, Inc. and the registrant, dated as of March 10, 2000 (exhibit 10.9)                                
|           | 
|10.8(C)    |  | Option Notice Agreement, dated July 17, 2000, between the registrant and Michael J. Schuh (exhibit 99.1)                                                                               
|           | 
|10.9(H)    |  | 2005 Employee Stock Purchase Plan (exhibit 10.2)                                                                                                                                       
|           | 
|10.10(I)   |  | 1998 Stock Option Plan Stock Option Award Agreement (exhibit 10.1)                                                                                                                     
|           | 
|10.11(J)   |  | Terms of Stock Option Grant Program for Nonemployee Directors under the SonoSite, Inc. 2005 Stock Incentive Plan (exhibit 10.1)                                                        
|           | 
|10.12(J)   |  | 2005 Stock Incentive Plan Stock Option Agreement (Non Statutory) (exhibit 10.2)                                                                                                        
|           | 
|10.13(J)   |  | 2005 Stock Incentive Plan Restricted Stock Unit Agreement (Non Statutory) (exhibit 10.3)                                                                                               
|           | 
|10.14(L)   |  | Call Option Transaction Confirmation, dated as of July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, National Association (exhibit 10.1)                            
|           | 
|10.15(L)   |  | Warrant Transaction Confirmation, dated as of July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, National Association (exhibit 10.2)                                
|           | 
|10.16(M)   |  | Form of Partial Unwind Agreement with respect to the Note Hedge Transaction Confirmation dated July 11, 2007, by and between SonoSite, Inc. and JP Morgan Chase Bank, NA (exhibit
10.1)
|           | 
|10.17(M)   |  | Form of Partial Unwind Agreement with respect to the Warrant Confirmation dated July 11, 2007, by and between SonoSite, Inc. and JPMorgan Chase Bank, NA (exhibit
10.2)                
|           | 
|10.18(N)   |  | Amended and Restated 2005 Stock Incentive Plan (exhibit 99.1)                                                                                                                          



---

|           |  |                                                                                                                                
|---------- |  | -------------------------------------------------------------------------------------------------------------------------------
|ExhibitNo. |  | Description                                                                                                                    
|10.19(O)   |  | FY2009 Variable Incentive Bonus Plan (exhibit 10.1)                                                                            
|           | 
|10.20(P)   |  | Form of Senior Management Employment Agreement by and between SonoSite, Inc. and each of its Named Executive Officers          
|           | 
|10.21    |  | Form of Indemnification Agreement by and between SonoSite, Inc. and each of its Named Executive Officers                       
|           | 
|10.22*    |  | Confidential Settlement and License Agreement dated October 16, 2009 by and between SonoSite, Inc. and General Electric Company
|           | 
|21.1     |  | Subsidiaries of the registrant                                                                                                 
|           | 
|23.1     |  | Consent of KPMG LLP, independent registered public accounting firm                                                             
|           | 
|24.1     |  | Power of attorney (contained on signature page)                                                                                
|           | 
|31.1     |  | Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.2     |  | Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.3      |  | Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|31.4      |  | Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002                         
|           | 
|32.1     |  | Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)
|           | 
|32.2     |  | Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350 (Section 906 of the Sarbanes-Oxley Act of 2002)



| | Filed herewith.
|- | ---------------

| | Previously filed.
|-- | -----------------

|* | Confidential treatment requested.
|- | ---------------------------------

|(A) | Incorporated by reference to the designated exhibit included in SonoSites Registration Statement on Form S-1 (Registration No. 333-714157) filed on
October 3, 1999.
|--- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(B) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K for the year ended December 31, filed on March 22,
1999.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------

|(C) | Incorporated by reference to the designated exhibit included in SonoSites registration statement on Form S-8 (Registration No. 333-51820) filed on
December 14, 2000.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(D) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on April 14, 2009.
|--- | ----------------------------------------------------------------------------------------------------------------------

|(E) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K for the year ended December 31, 2001 filed on
February 22, 2002.
|--- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------

|(F) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended March 31, 2002 filed on May 13,
2002.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------

|(G) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended June 30, 2002 filed on
August 13, 2002.
|--- | ------------------------------------------------------------------------------------------------------------------------------------------------------------

|(H) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on April 28, 2005.
|--- | ----------------------------------------------------------------------------------------------------------------------

|(I) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended June 30, 2005 filed on
August 9, 2005.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------

|(J) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on February 7, 2006.
|--- | ------------------------------------------------------------------------------------------------------------------------

|(K) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on February 16, 2007.
|--- | -------------------------------------------------------------------------------------------------------------------------

|(L) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q filed on August 9, 2007.
|--- | -----------------------------------------------------------------------------------------------------------------------



---

|(M) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 8-K filed on November 29, 2007.
|--- | -------------------------------------------------------------------------------------------------------------------------

|(N) | Incorporated by reference to the designated exhibit included in SonoSites registration statement on Form S-8 filed on May 2, 2008.
|--- | -----------------------------------------------------------------------------------------------------------------------------------

|(O) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-Q for the quarter ended March 31, 2009 and filed on May 4,
2009.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------

|(P) | Incorporated by reference to the designated exhibit included in SonoSites report on Form 10-K filed on March 12, 2009.
|--- | -----------------------------------------------------------------------------------------------------------------------