These excerpts taken from the DTV 10-K filed Mar 1, 2005.
The Committee shall determine the Performance Factor for each Performance Measure on the basis of the following table, which shall be determined based solely on the performance of DIRECTV Holdings LLC and its Subsidiaries for owned and operated subscribers of DIRECTV, Inc.:
For Levels of Performance for each Performance Measure between the specified levels of performance, the Committee shall determine the corresponding Performance Factor by pro-ration. For example, if the Net Annual Subscriber Growth is 750,000, then the corresponding Performance Factor shall be .75.
Average Annual Margin for a year is determined by dividing (a) OPBDA for such year plus the aggregate amount of Subscriber Acquisition Costs for such year by (b) Revenues for such year.