Record Date Announce Date Pay Date Amount Type 05/12/2008 05/01/2008 05/22/2008 0.9000 Quarterly 01/30/2008 01/16/2008 02/20/2008 0.9000 Quarterly 10/12/2007 07/26/2007 10/26/2007 0.9000 Quarterly 08/09/2007 05/17/2007 08/22/2007 0.8500 Quarterly 05/01/2007 02/22/2007 05/21/2007 0.8500 Quarterly 01/31/2007 01/15/2007 02/13/2007 0.8500 Quarterly 11/07/2006 10/26/2006 11/21/2006 0.5400 Special 11/07/2006 10/26/2006 11/21/2006 0.8500 Quarterly 08/09/2006 07/27/2006 08/22/2006 0.8000 Quarterly 05/05/2006 04/27/2006 05/17/2006 0.8000 Quarterly 01/31/2006 01/18/2006 02/08/2006 0.8000 Quarterly 12/27/2005 12/16/2005 12/30/2005 0.7700 Special 11/10/2005 10/27/2005 11/18/2005 0.8000 Quarterly 08/04/2005 05/18/2005 08/12/2005 0.7600 Quarterly 05/05/2005 02/25/2005 05/13/2005 0.7600 Quarterly 02/07/2005 01/26/2005 02/15/2005 0.0500 Special 02/07/2005 01/26/2005 02/15/2005 0.7600 Quarterly 11/15/2004 11/04/2004 11/26/2004 0.7600 Quarterly 08/02/2004 05/27/2004 08/12/2004 0.7100 Quarterly 05/03/2004 03/03/2004 05/13/2004 0.7100 Quarterly 02/02/2004 01/15/2004 02/10/2004 0.1600 Special 02/02/2004 01/15/2004 02/10/2004 0.7100 Quarterly Dividend Information from 1993 to Present 2007 Dividends Tax Treatment 2007 Dividends Tax Component Memorandum Tax Treatment Information from 2004 to Present Record Date Announce Date Pay Date Type of Dividend 10/15/1997 10/07/1997 10/20/1997 2-for-1 Split Maturity Date Redemption Date Interest Rate Exchange Ratio per $1000 as of 11/03/2006 Exchange Price as of 11/03/2006 April 15, 2025 April 15, 2012 3.875% 11.1184 $89.9408 Maturity Date Redemption Date Interest Rate Exchange Ratio per $1000 as of 03/22/2007 Exchange Price as of 03/22/2007 April 1, 2027 April 1, 2012 2.850% 6.1553 $162.46 Maturity Date Redemption Date Interest Rate Exchange Ratio per $1000 as of 11/18/2006 Exchange Price as of 11/18/2006 November 18, 2026 November 18, 2011 3.625% 6.5168 $153.45