**EXHIBIT31**

 

### **CERTIFICATION**

### ** **

I, Mike Ulrich, certifythat:

 

1.               Ihave reviewed this quarterly report on Form 10-Q of Eastern AmericanNatural Gas Trust, for which JPMorgan Chase Bank, N.A. acts as Trustee;

 

2.               Basedon my knowledge, this quarterly report does not contain any untrue statement ofa material fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which such statements weremade, not misleading with respect to the period covered by this quarterlyreport;

 

3.               Basedon my knowledge, the financial statements, and other financial informationincluded in this quarterly report, fairly present in all material respects thefinancial condition, distributable income and changes in trust corpus of the registrantas of, and for, the periods presented in this quarterly report;

 

4.               Iam responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)),or for causing such controls and procedures to be established and maintained,for the registrant and have:

 

a)              designedsuch disclosure controls and procedures, or caused such controls and proceduresto be designed under my supervision, to ensure that material informationrelating to the registrant, including its consolidated subsidiaries, is madeknown to me by other within those entities, particularly during the period inwhich this quarterly report is being prepared;

 

b)             designedsuch internal control over financial reporting, or caused such internal controlover financial reporting to be designed under my supervision, to providereasonable assurance regarding the reliability of financial reporting and thepreparation of financial statements for external purposes in accordance with generallyaccepted accounting principles;

 

c)              evaluatedthe effectiveness of the registrant’s disclosure controls and procedures andpresented in this report my conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisquarterly report 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 quarter end March 31, 2005that has materially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and

 

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5.               Ihave disclosed, based on my most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors:

 

a)              allsignificant deficiencies and material weaknesses in the design or operation ofinternal controls over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information; and

 

b)             anyfraud, whether or not material, that involves any persons who have asignificant role in the registrant’s internal controls over financialreporting.

 

In giving the foregoingcertifications in paragraphs 4 and 5 above, I have relied to the extent Iconsider reasonable on information provided to me by Eastern American EnergyCorporation and Ryder Scott Company, Independent Petroleum Engineers.

 
|                   | By:    | /s/ Mike Ulrich                     |   |
|------------------------|--------|-------------------------------------|--------|
|                   |   | Vice President                      |
|                   |   | JPMorgan Chase Bank,  N.A., Trustee |
|                   |   |                                |
| Date: May 9, 2005 |

 

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