$NG SC TO-T/A SEC Filings

Filed On	Filing
12 Dec 2006	SCHEDULE TO (AMENDMENT NO. 42)
07 Dec 2006	SCHEDULE TO-T/A AMENDMENT NO. 41
01 Dec 2006	AMENDMENT NO. 40
30 Nov 2006	SCHEDULE TO-T/A AMENDMENT NO. 39
29 Nov 2006	SCHEDULE TO-T/A AMENDMENT NO. 38
27 Nov 2006	SC TO-T/A
27 Nov 2006	TENDER OFFER STATEMENT AMENDMENT NO. 37
22 Nov 2006	SCHEDULE TO-T/A AMENDMENT NO. 35
21 Nov 2006	SCHEDULE TO AMENDMENT NO. 34
20 Nov 2006	SCHEDULE TO (AMENDMENT NO. 33)
17 Nov 2006	SCHEDULE TO-T/A AMENDMENT NO. 32
16 Nov 2006	SCHEDULE TO/A AMENDMENT # 31
15 Nov 2006	SCHEDULE TO TA
15 Nov 2006	SC TO-T/A
14 Nov 2006	AMENDMENT NO. 28
13 Nov 2006	SC TO-T/A
13 Nov 2006	AMENDMENT NO. 27
08 Nov 2006	SCHEDULE TO - T/A
06 Nov 2006	AMENDMENT NO. 24
02 Nov 2006	AMENDMENT NO. 23