Nalco Holding Company

Sales by End Market	2005		2006
Upstream Energy	15.9	%	17.9	%
Downstream Energy	12.9	%	13.4	%
Paper, Graphic Grades	*		11.4	%
Manufacturing	12.1	%	11.3	%
Paper, Other	8.3	%	*
Paper, Board and Packaging	8.2	%	7.7	%
Food and Beverage	6.6	%	16.8	%
Mining and Minerals	6.6	%	16.4	%
Chemicals	6.1	%	15.9	%
Paper, Printing and Writing	6.0	%	*
Institutional	5.9	%	15.4	%
Power	4.2	%	14.1	%
Primary Metals	3.9	%	14.1	%
All Others	3.3	%	13.4	%
Paper, Tissue	*		12.2	%

Note: Results include sales in the Other segment.

* Paper Services reorganized in 2006 and now tracks sales by the three grades listed for 2006.