Scheduled maintenance dates are in RED.

Note: These scheduled maintenance times are subject to change. The schedule shown is not official. It does, however, represent the latest information Cadence has been provided by Ash Grove.

CORPORATE OFFICE

Cadence Environmental Energy
One Cadence Park Plaza
Michigan City, IN 46360
Phone (219) 879-0371 - Fax (219) 879-0390

NATIONAL SALES OFFICE

Cadence Environmental Energy
1415 North Loop West - Suite 730
Houston, TX 77008
Phone (713) 802-0240 - Fax (713) 802-0260

2008 Maintenance Schedule

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

Ash Grove Chanute Kiln #1

UP

14 +

UP

UP

UP

UP

UP

UP

UP

UP

UP

UP

Ash Grove Foreman Kiln #1

UP

UP

UP

UP

UP

UP

UP

7 -Days

UP

UP

UP

UP

Ash Grove Foreman Kiln #2

UP

UP

UP

UP

UP

7 -Days

UP

UP

UP

UP

UP

UP

Ash Grove Foreman Kiln #3

UP

UP

UP

UP

7 -Days

UP

UP

UP

UP

7 -Days

UP

UP

NOTE: Kiln #1 Chanute will be down December 10 - 12 during December 2007