**EXHIBIT 31.1**

 

**CERTIFICATION**

 

I, Henry J. Boucher, Jr., President and Chief Executive Officer ofIWT Tesoro Corporation, certify that:

 

1.               I have reviewedthis report on Form 10-Q/A of IWT Tesoro Corporation for the quarter endedJune 30, 2004;

 

2.               Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

 

3.               Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this report;

 

4.               The registrant’sother certifying officer and I am responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and wehave:

 

a) Designedsuch disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

 

b) Paragraphomitted pursuant to SEC Release Nos.  33-8238and 34-47986;

 

c) Evaluatedthe effectiveness of the registrant’s disclosure controls and procedurespresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and

 

d) Disclosedin this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter thathas materially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and

 

5.               The registrant’sother certifying officer(s) and I have disclosed, based on our most recentevaluation of internal control over financial reporting, to the registrant’sauditors and the audit committee of registrant’s board of directors (or personsperforming the equivalent function):

 

a) Allsignificant deficiencies in the design or operation of internal controls whichcould adversely affect the registrant’s ability to record, process, summarizeand report financial data and have identified for the registrant’s auditors anymaterial weaknesses in internal controls; and

 

b) Any fraud,whether or not material, that involves management or other employees who have asignificant role in the registrant’s internal controls over financialreporting.

 

 
| Date: September 2, 2005 | By:                                   | /s/ Henry J.  Boucher, Jr. |   |
|-------------------------|---------------------------------------|---------------------------------|--------|
|                    | Henry J. Boucher, Jr.,           |
|                    | President and Chief Executive Officer |

 

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