EXHIBIT 31.1**Certification Required by Rule 13a-14(a) or Rule 15d-14(a)**I, Ron Hooper, certify that:1. I have reviewed this Annual Report on Form 10-K of Permian Basin RoyaltyTrust, for which Bank of America, N.A., acts as Trustee; 2. Based on my knowledge, this annual report does not contain any untruestatement of a material fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which such statements were made,not misleading with respect to the period covered by this annual report; 3. Based on my knowledge, the financial statements, and other financialinformation included in this annual report, fairly present in all material respectsthe financial condition, distributable income and changes in trust corpus of theregistrant as of, and for, the periods presented in this annual report; 4. I am responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internalcontrol over financial reporting (as defined in Exchange Act Rules 13a-15(f) and15d-15(f)), or for causing such controls and procedures to be established andmaintained, for the registrant and I have: a) designed such disclosure controls and procedures, or causedsuch disclosure controls and procedures to be designed under my supervision,to ensure that material information relating to the registrant, including itsconsolidated subsidiaries, is made known to me by others within thoseentities, particularly during the period in which this annual report is beingprepared;  b) designed such internal control over financial reporting, orcaused such internal control over financial reporting to be designed under mysupervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes;  c) evaluated the effectiveness of the registrant’s disclosurecontrols and procedures and presented in this annual report my conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and  d) disclosed in this annual report any change in theregistrant’s internal control over financial reporting that occurred duringthe registrant’s most recent fiscal quarter (the registrant’s fourth fiscalquarter in the case of an annual report) that has materially affected, or isreasonably likely to materially affect, the registrant’s internal control overfinancial reporting;5. I have disclosed, based on my most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors: a) all significant deficiencies and material weaknesses in thedesign or operation of internal control over financial reporting which arereasonably likely to adversely affect the registrant’s ability to record,process, summarize and report financial information; and
 

 
 b) any fraud, whether or not material, that involves managementor other employees who have a significant role in the registrant’s internalcontrol over financial reporting.In giving the certifications in paragraphs 4 and 5 above, I have relied to theextent I consider reasonable on information provided to me by Burlington ResourcesOil & Gas Company, LP and Riverhill Energy Corporation.        Date: March 13, 2007 By:  /s/ Ron E. Hooper   Ron Hooper   Senior Vice President and AdministratorBank of America, N.A.