Important Updates

Following are the average BTU factors for February 2010

9393,Cherry Valley 27 Dry Point, 1.080, 14.65, PSI DRY
9357,Chestonia 17 Dry Point, 0.986, 14.65, PSI DRY
9332,East Caledonia, 0.994, 14.65, PSI DRY
9361,Goodwell 8 Dry Point, 1.091, 14.65, PSI DRY
9399,Goodwell 8B Dry Point, 1.353, 14.65, PSI DRY
9398,Goodwell 9 Dry Point, 1.055, 14.65, PSI DRY
9360,Goodwell 26 Dry Point, 1.054, 14.65, PSI DRY
9081,Goose Creek (CE), 1.026, 14.65, PSI DRY
9106,Goose Creek (GLGT), 1.027, 14.73, PSI DRY
9365,Hayes 6 Dry Point, 0.984, 14.65, PSI DRY
9366,Hersey Clinton Dry Point, 1.024, 14.65, PSI DRY
9367,Hinton 5 Dry Point, 1.120, 14.65, PSI DRY
9380,Isabella 11, 1.069, 14.65, PSI DRY
9387,Isabella 17, 1.072, 14.65, PSI DRY
9368,Jordan 4 Dry Point, 0.982, 14.65, PSI DRY
9343,Kalkaska (MCGC), 1.025, 14.65, PSI DRY
9341,Kalkaska - Sag Bay (MCGC), 1.040, 14.65, PSI DRY
9370,Lenox 36 Dry Point, 1.091, 14.65, PSI DRY
9372,Lincoln 29A Dry Point, 1.024, 14.65, PSI DRY
9373,Lincoln 30 Dry Point, 1.024, 14.65, PSI DRY
9374,Logan Churchill Dry Point, 0.926, 14.65, PSI DRY
9378,Mancelona 19 Dry Point, 1.019, 14.65, PSI DRY
9379,Mentor 29 Dry Point, 1.076, 14.65, PSI DRY
9348,Merit Plant (MICHCON), 1.021, 14.65, PSI DRY
9389,Milford 1 Dry Point, 1.069, 14.65, PSI DRY
9395,New Haven 4, 1.030, 14.65, PSI DRY
9381,Reno 27 Dry Point, 1.085, 14.65, PSI DRY
9382,Rose Lake 10 Dry Point, 1.073, 14.65, PSI DRY
9383,Sherman 35 Dry Point, 1.061, 14.65, PSI DRY
9384,Springfield 34 Dry Point, 1.071, 14.65, PSI DRY
9386,West Branch Dry Point, 1.075, 14.65, PSI DRY

Should you have any further questions regarding these BTU factors,
please contact me at (313) 235-1038.
Thank you, Sheryl Maloney

NOTE: THIS INFORMATION IS BEING PROVIDED AS A SERVICE TO OUR
CUSTOMERS AND IS FOR INFORMATIONAL PURPOSES ONLY. MCGC CONVERTED
TO AN MMBTU SYSTEM EFFECTIVE MAY 1, 2005.

The MichCon Weighted Average Cost of Gas (WACOG) for February 2010 is $7.7484 per MMBtu. This WACOG will be used to determine any Gas Choice Supply Equalization Charges (SEC) for February 2010. If you have any questions please contact Gerald (Jerry) DeRuiter at 313-235-1042 or e-mail deruiterg@dteenergy.com.

At 9:00am EST Wednesday morning, March 10th, eNominator will e-mail your "pre" cashout February  2010 volumes available for trading. For more detail on dry cash-out positions, run the ALR 94 report starting February 9th under CAW NOMINATIONS. The dry cashout trading window will open at 9:30am EST on Wednesday, March 10th and Imbalances will be posted at that time. The trading window will remain open until 5pm EST, Thursday, March 11th. If trading occurs, eNominator will e-mail you a trade confirmation. On Thursday, March 11th, you will receive the "post trade statement" at approximately 5:30pm EST. Final dry cashout invoices will continue to mailed out by Gas Accounting.

The February 2010 Actual System-Wide average BTU is 1.01499. This has been entered into eNominator and the Detailed Monthly Consumption Report will now reflect the conversion to Therms. If you have any questions please contact Sheryl Maloney 313.235.1038.

The average MichCon Citygate price for February 2010 is $5.483/MMBtu. This price will be used to determine final dry point cashout positions.