At such time as the ratio of the cash received by the Trust with respect to the Royalty Interests (excluding the effect on cash distributions received by the Trust in respect of the Royalty Interests of excess capital costs) to administrative costs of the Trust is less than 1.2 to 1.0 for three consecutive calendar quarters,

March 1 of any calendar year if, based on a reserve report as of December 31 of the prior year, it is determined that, as of such date, the net present value (discounted at 10 percent) of estimated future net revenues for proved reserves attributable to the Royalty Interests but using the average monthly Blanco Hub Spot Price for the past calendar year, less certain gathering costs, is equal to or less than $30 million,

The Trust disposes of all Royalty Interests,

A unitholder vote of 50% or more.

The yellow worksheet contains important tax information for the current year just ended. You should compare the information regarding the number of units and dates you were a unitholder of record (located under the heading "Quarterly Record Date Positions of Units" on the yellow sheet) with your records to determine that the correct information was reported to the Trust. Once you have determined that the information is correct, then you can use the dollar amounts (located in the center of the yellow sheet) to report on the appropriate schedules on your tax return. If the information is not correct, then you must determine your proportionate share of the Trust revenues and expenses using the tax booklet that was included with the yellow worksheets.

Please consult your tax advisor regarding all tax issues for your specific situation.