*Appendix A (Tracker)

The Rate Adjustment shall be on the basis of a Purchase Power Cost Adjustment Tracking Factor occasioned solely by changes in the cost of purchased power and energy, in accordance with the Order of the Indiana Utility Regulatory Commission, approved December 13, 1989 in Cause No. 36835-S3 as follow:

Rate Adjustments applicable to the below listed Rate Schedules are as follows:

RATE ADJUSTMENT
(for months of January, February and March 2010)

Residential $0.019770 per KWH
General Power 0.016394 per KWH
Primary Power 6.381909 per KVA
Primary Power 0.010081 per KWH
Outdoor Lighting 0.014534 per KWH
Street Lighting 0.016447 per KWH
Traffic Signal 0.050914 per KWH

RATE ADJUSTMENT
(for months of October, November and December 2009)

Residential $0.030877 per KWH
General Power 0.025196 per KWH
Primary Power 7.745036 per KVA
Primary Power 0.011367 per KWH
Outdoor Lighting 0.017526 per KWH
Street Lighting 0.018956 per KWH
Traffic Signal 0.044665 per KWH

RATE ADJUSTMENT
(for months of July, August and September 2009)

Residential $0.023336 per KWH
General Power 0.025530 per KWH
Primary Power 7.486782 per KVA
Primary Power 0.011414 per KWH
Outdoor Lighting 0.013359 per KWH
Street Lighting 0.015439 per KWH
Traffic Signal 0.046711 per KWH

RATE ADJUSTMENT
(for months of April, May and June 2009)

Residential $0.031887 per KWH
General Power 0.028765 per KWH
Primary Power 8.533376 per KVA
Primary Power 0.009572 per KWH
Outdoor Lighting 0.013433 per KWH
Street Lighting 0.014590 per KWH
Traffic Signal 0.040515 per KWH

RATE ADJUSTMENT
(for months of January, February and March 2009)

Residential $0.026762 per KWH
General Power 0.026203 per KWH
Primary Power 9.002301 per KVA
Primary Power 0.009665 per KWH
Outdoor Lighting 0.018602 per KWH
Street Lighting 0.018307 per KWH
Traffic Signal 0.044718 per KWH