GEODYNE ENERGY INCOME PROGRAMS
1996 YEAR-END ESTIMATED VALUATION ON A PER UNIT BASIS(1)


                                                             CASH DISTRIBUTIONS 
                                                                  PER UNIT
                           1996 YEAR-END                     ----------------------
                             PER UNIT       1995 YEAR-END              CUMULATIVE
        FORMATION   UNIT    ESTIMATED        ESTIMATED       1996    DISTRIBUTIONS
P/SHIP     DATE     SIZE    VALUATION(2)    VALUATION(2)     TOTAL   THRU 13/31/96    P/SHIP
                                                                           

I-B     07/12/85   1,000     155.75           98.36            6.52       537.77     I-B
I-C     12/20/85   1,000     290.42          136.96           74.62       825.93     I-C
I-D     03/04/86   1,000     763.30          369.41          143.85     1,642.76     I-D
I-E     09/10/86   1,000     565.98          312.87           68.19     1,106.05     I-E
I-F     12/16/86   1,000     553.29          302.94           67.11     1,088.60     I-F


(1)  This  chart must be read in  connection with the letter dated January  27, 1997, providing
important  assumptions  and other  information  on  the  methodology  used to  calculate  these
estimates.

  (2)  1996 Year-End  estimates use $23.75 per barrel of oil and  $3.57 per thousand cubic feet
(MCF)  of gas compared  to $18.50  per barrel and  $2.00 per MCF  of gas for  the 1995 Year-End
estimates.