Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

2008 2007 2006 2005 2004 2003

Carbon Financial Instruments - Sep 2008*

Product	Vintage	High	Low	Close	Change	Volume
CFI	2003	$3.45	$2.60	$2.60	-0.90	36,000
CFI	2004	$3.45	$2.60	$2.70	-0.75	71,200
CFI	2005	$3.45	$2.60	$2.70	-0.80	43,500
CFI	2006	$3.45	$2.60	$2.70	-0.80	43,000
CFI	2007	$3.45	$2.70	$2.70	-0.80	37,000
CFI	2008	$3.40	$2.70	$2.70	-0.90	24,000
CFI	2009	$3.40	$2.70	$2.70	-0.90	23,000
CFI	2010	$2.95	$2.60	$2.70	-0.80	7,000

Total Electronically Traded Volume

284,700

Price Units: Per metric ton of CO2

Volume: Electronically traded volume reported in metric tons CO2

Change based on previous month's closing price

* - This report is based on trading through

09/05/2008