WMB Common Stock Dividend History

Record Date
Payment Date
Amount
Type
06/13/08
06/30/08
$0.11
Cash
03/14/08
03/31/08
$0.10
Cash
12/14/07
12/31/07
$0.10
Cash
08/24/07
09/10/07
$0.10
Cash
05/25/07
06/11/07
$0.10
Cash
03/09/07
03/26/07
$0.09
Cash
12/08/06
12/26/06
$0.09
Cash
08/25/06
9/11/06
$0.09
Cash
06/09/06
6/26/06
$0.09
Cash
03/10/06
3/27/06
$0.075
Cash
12/09/05
12/26/05
$0.075
Cash
08/26/05
09/12/05
$0.075
Cash
06/10/05
06/27/05
$0.05
Cash
03/11/05
03/28/05
$0.05
Cash
12/10/04
12/27/04
$0.05
Cash
08/27/05
09/13/04
$0.01
Cash
06/11/04
06/28/04
$0.01
Cash
03/12/04
03/29/04
$0.01
Cash
12/12/03
12/29/03
$0.01
Cash
08/22/03
09/08/03
$0.01
Cash
06/13/03
06/30/03
$0.01
Cash
03/14/03
03/31/03
$0.01
Cash
12/13/02
12/30/02
$0.01
Cash
08/23/02
09/09/02
$0.01
Cash
06/07/02
06/24/02
$0.20
Cash
03/15/02
03/25/02
$0.20
Cash
12/14/01
12/31/01
$0.20
Cash
08/24/01
09/10/01
$0.18
Cash
06/08/01
06/25/01
$0.15
Cash
03/09/01
03/26/01
$0.15
Cash
12/08/00
12/25/00
$0.15
Cash
08/25/00
09/11/00
$0.15
Cash
06/09/00
06/26/00
$0.15
Cash
03/10/00
03/27/00
$0.15
Cash
12/10/99
12/27/99
$0.15
Cash
08/27/99
09/13/99
$0.15
Cash
06/11/99
06/28/99
$0.15
Cash
03/12/99
03/29/99
$0.15
Cash
12/11/98
12/28/98
$0.15
Cash
08/28/98
09/14/98
$0.15
Cash
06/05/98
06/29/98
$0.15
Cash
03/16/98
03/30/98
$0.15
Cash
12/05/97
12/29/97
$0.30
Cash
08/22/97
09/15/97
$0.26
Cash
05/30/97
06/23/97
$0.26
Cash
03/07/97
03/31/97
$0.26
Cash