**Exhibit 31.1**

 

### **CERTIFICATION**

 

I, Larry Buffington, certify that:

 

1. I have reviewed this quarterly report on Form 10-Q ofLiquidmetal Technologies, Inc. for the quarter ended September 30,2009;

 

2. Based on my knowledge, this quarterly report does not contain anyuntrue statement of a material fact or omit to state a material fact necessaryto make the statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period covered by thisquarterly report;

 

3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all material respectsthe financial condition, results of operations and cash flows of the registrantas of, and for, the periods presented in this report;

 

4. The registrant’s other certifying officers and I are responsible forestablishing and maintaining disclosure controls and procedures (as defined inExchange Act Rules 13a-15(e) and 15d-15(e) and internal controlover financial reporting (as defined in Exchange Act Rules 13a-1f(f) and15d-1f(f)) for the registrant and we have:

 

a)   Designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under our supervision, to ensurethat material information relating to the registrant, including itsconsolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this quarterly report is beingprepared;

 

b)  Designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designed under oursupervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accounting principles;

 

c)   Evaluated the effectiveness of the registrant’s disclosurecontrols and procedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the end of theperiod covered by this report based on such evaluation; and

 

d)  Disclosed in this report any change in the registrant’s internalcontrol over financial reporting that occurred during the registrant’s most recentfiscal quarter (the registrant’s fourth fiscal quarter in the case of an annualreport) that has materially affected, or is reasonable likely to materiallyaffect, the registrant’s internal control over financial reporting; and

 

5. The registrant’s other certifying officer(s) and I havedisclosed, based on our most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors and the audit committee ofregistrant’s board of directors (or persons performing the equivalentfunction):

 

a)   All significant deficiencies and materialweaknesses in the design or operation of internal controls over financialreporting which are reasonable likely to adversely affect the registrant’sability to record, process, summarize and report financial information; and

 

b)  Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant’s internal controls over financial reporting.

 
| Date: November 23, 2009 | /s/ Larry E. Buffington          |
|-----------------------------------|---------------------------------------|
|                              | Larry E. Buffington                   |
|                              | President and Chief Executive Officer |
|                              | (Principal Executive Officer)         |

 

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