Exhibit 99.2

Form 3 Continuation Sheet — Joint Filer Information

This Statement on Form 3 is filed by Apollo Investment Fund V, L.P., Apollo/Nalco Acquisition LLC, AP/Nalco LP, Apollo Management V, L.P.  and Apollo Advisors V, L.P.  The principal business address of each of the Reporting Persons is Two Manhattanville Road, Purchase, New York 10577.

Name of Designated Filer:  Apollo Management V, L.P.

Date of Event Requiring Statement:  November 10, 2004

Issuer Name and Ticker or Trading Symbol:  Nalco Holdings Company (NLC)

APOLLO INVESTMENT FUND V, L.P.
By:	APOLLO ADVISORS V, L.P.
	Its General Partner
	By:	APOLLO CAPITAL MANAGEMENT V, INC.
		Its General Partner
		By:	/s/ Patricia M. Navis
			Patricia M. Navis
			Vice President

APOLLO/NALCO ACQUISITION LLC
By:	APOLLO MANAGEMENT V, L.P.,
	its Manager
	By:	AIF V Management, Inc.
		its General Partner
		By:	/s/ Patricia M. Navis
			Patricia M. Navis
			Vice President

AP/NALCO LP
By:	APOLLO ADVISORS V, L.P.
	Its General Partner
	By:	APOLLO CAPITAL MANAGEMENT V, INC.
		Its General Partner
		By:	/s/ Patricia M. Navis
			Patricia M. Navis
			Vice President

1

APOLLO MANAGEMENT V, L.P.
By:	AIF V MANAGEMENT, INC.
	Its General Partner
	By:	/s/ Patricia M. Navis
		Patricia M. Navis
		Vice President

APOLLO ADVISORS V, L.P.
By:	APOLLO CAPITAL MANAGEMENT V, INC.
	Its General Partner
	By:	/s/ Patricia M. Navis
		Patricia M. Navis
		Vice President

2