Date
of Report (Date of earliest event reported):
|
December
10, 2007
|
Delaware
|
001-32342
|
16-1701300
|
(State
of Incorporation)
|
(Commission
File Number)
|
(IRS
Employer Identification Number)
|
1601
W. Diehl Rd., Naperville, IL
|
60563
|
¨
|
Written
communications pursuant to Rule 425 under the Securities Act (17
CFR
230.425)
|
¨
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240
240.14a-12)
|
¨
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR
240.14d-2(b))
|
¨
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR
240.13e-4(c))
|
Item
8.01
|
Other
Events.
|
Item
9.01.
|
Financial
Statements and Exhibits
|
(d)
|
Exhibits
|
|
Press
release of Nalco Holding Company dated December 10, 2007, describing
the
acquisition of an 87.5 percent interest in Mobotec USA,
Inc.
|
NALCO
HOLDING COMPANY
|
|
/s/
Stephen N. Landsman
|
|
Secretary
|
|
Date:
December 11, 2007
|