NYMEX Closing	Nomination Deadline*	Gas to Flow  1st Day of	Meter Read Date	Days in Read Cycle
12/29/09	12/30/09	01/10	01/31/10	31
01/27/10	01/28/10	02/10	02/28/10	28
02/24/10	02/25/10	03/10	03/31/10	31
03/29/10	03/30/10	04/10	04/30/10	30
04/28/10	04/29/10	05/10	05/31/10	31
05/26/10	05/27/10	06/10	06/30/10	30
06/28/10	06/29/10	07/10	07/31/10	31
07/28/10	07/29/10	08/10	08/31/10	31
08/27/10	08/30/10	09/10	09/30/10	30
09/28/10	09/29/10	10/10	10/31/10	31
10/27/10	10/28/10	11/10	11/30/10	30
11/24/10	11/29/10	12/10	12/31/10	31
12/28/10	12/29/10	1/11	01/31/11	31

*NOMINATIONS DUE BY 5:00 PM ET ON DATE INDICATED BELOW

Intra-month revisions to gas quantities being delivered to PSNC Energy must be received by PSNC Energy in writing or by fax no later than 5:00 PM Eastern Time two days prior to the day of gas flow.

This schedule is tentative and subject to revisions as conditions warrant.