| 
               1. 
             | 
            
               I
                have reviewed this Form 10-Q of Pacific Ethanol,
                Inc.; 
             | 
          
| 
               2. 
             | 
            
               Based
                on my knowledge, this report does not contain any untrue statement
                of a
                material fact or omit to state a material fact necessary to make
                the
                statements made, in light of the circumstances under which such statements
                were made, not misleading with respect to the period covered by this
                report;  
             | 
          
| 
               3. 
             | 
            
               Based
                on my knowledge, the financial statements, and other financial information
                included in this report, fairly present in all material respects
                the
                financial condition, results of operations and cash flows of the
                registrant as of, and for, the periods presented in this
                report; 
             | 
          
| 
               4. 
             | 
            
               The
                registrant’s other certifying officer(s) and I are responsible for
                establishing and maintaining disclosure controls and procedures (as
                defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) [language
                omitted
                pursuant to SEC Release 34-47986] for
                the registrant and have: 
             | 
          
| 
               5. 
             | 
            
               The
                registrant’s other certifying officer(s) and I have disclosed, based on
                our most recent evaluation of internal control over financial reporting,
                to the registrant’s auditors and the audit committee of the registrant’s
                board of directors (or persons performing the equivalent functions):
                 
             |