**Exhibit 31.1**

 

CERTIFICATION BY CHIEF EXECUTIVE OFFICERPURSUANT TO 18 U.S.C. SECTION 1350,AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

 

 

I, Michael J. Mauceli, ChiefExecutive Officer of Reef Partners LLC, the managing general partner of ReefGlobal Energy II, L.P., certify that:

 

1.     I have reviewed thisquarterly report on Form 10-Q for the fiscal quarter ended June 30, 2003, ofReef Global Energy II, L.P.;

 

2.     Based on my knowledge, thisquarterly report does not contain any untrue statement of a material fact oromit to state a material fact necessary to make the statement made, in light ofthe circumstances under which such statements were made, not misleading withrespect to the period covered by this quarterly report;

 

3.     Based on my knowledge, thefinancial statements, and other financial information included in thisquarterly 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 quarterly report;

 

4.     The registrant’s othercertifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e), for the registrant and we have:

 

a)     designed such disclosure controls and proceduresto ensure that 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)    intentionally omitted*

 

c)     evaluated the effectiveness of the registrant’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based upon such evaluation;

 

d)    disclosed in this report any change in theregistrant’s internal control over financial reporting that occurred during theregistrant’s most recent fiscal quarter that has materially affected, or isreasonably likely to materially affect, the registrant’s internal control overfinancial reporting; and

 

5.               The registrant’sother certifying officer 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)     all significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which could adversely affect the registrant’s ability to record,process, summarize and report financial information; and

 

b)    any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the registrant’sinternal control over financial reporting.

 

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* A statement is not requiredunder this paragraph until we file our first Form 10-K for our first yearending on or after April 15, 2005.

 
| Date: August  14, 2003 |   | /s/ Michael  J. Mauceli                      |   |
|------------------------|--------|----------------------------------------------|--------|
|                   |   | Michael J.  Mauceli, Chief Executive Officer |
|                   |   | Reef  Partners LLC                           |

 

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