| Filed On | Filing |
|---|---|
| 01 Dec 2006 | FORM OF PRELIMINARY PROSPECTUS SUPPLEMENT |
| 18 May 2006 | FORM OF PRELIMINARY PROSPECTUS SUPPLEMENT |
| 31 Dec 2002 | FORM 424(B)(3) |
| 10 Nov 1999 | 424(B)(3) |
| 12 May 1999 | DEFINITIVE FINAL PROSPECTUS |
| 24 Feb 1999 | DEFINITIVE PROSPECTUS SUPPLEMENT |
| 07 Dec 1998 | DEFINITIVE PROSPECTUS SUPPLEMENT |
| 31 Aug 1998 | FORM 424B3 |
| 23 Jun 1998 | FINAL PROSPECTUS |
| 15 May 1998 | SHAREHOLDER INVESTMENT PROGRAM |
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