| Filed On | Filing |
|---|---|
| 24 Feb 2012 | FORM S-3 |
| 08 Feb 2005 | FORM S-3 |
| 17 Oct 2003 | FORM S-3 |
| 09 May 2003 | FORM S-3 |
| 12 Aug 2002 | FORM S-3 |
| 25 Feb 2002 | FORM S-3 |
| 27 Dec 2000 | FORM S-3 |
| 15 Sep 2000 | T:\EDGAR\OKEEFFE\712352NW.TXT |
| 07 Jun 2000 | INITIAL FORM S-3 |
| 11 Dec 1998 | S-3 |
| 25 Nov 1998 | FORM S-3 |
| 28 Jul 1998 | INITIAL FORM S-3 |
| 16 Jul 1998 | FORM S-3 |
| 13 Jan 1998 | FORM S-3 |
| 22 Dec 1997 | S-3 |
| 29 Sep 1997 | S-3 |
| 05 Jun 1997 | FORM S-3 |
| 16 Apr 1997 | S-3 |
| 10 Apr 1997 | S-3 |
| 22 Jan 1997 | S-3 |
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