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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM 10-Q

(Mark One)

[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2006

or

[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                to                .

Commission File No. 001-32342

NALCO HOLDING COMPANY

(Exact name of registrant as specified in its charter)


Delaware
(State or other jurisdiction of
Incorporation or Organization)
16-1701300
(I.R.S. Employer
Identification Number)

1601 West Diehl Road
Naperville, IL 60563-1198
(630) 305-1000

(Address, Including Zip Code, and Telephone Number, Including
Area Code, of Registrant’s Principal Executive Offices)

Not applicable

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes [X] No [ ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of ‘‘accelerated filer and large accelerated filer’’ in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer [X] Accelerated filer [ ] Non-accelerated filer [ ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12-b-2 of the Exchange Act).     Yes [ ]    No [X]

As of April 28, 2006, the number of shares of the registrant’s common stock, par value $0.01 per share, outstanding was 142,896,612 shares.




QUARTERLY REPORT ON FORM 10-Q
NALCO HOLDING COMPANY
Quarter Ended March 31, 2006

TABLE OF CONTENTS


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PART I.    FINANCIAL INFORMATION

Item 1.    Financial Statements (Unaudited)

Nalco Holding Company and Subsidiaries
Condensed Consolidated Balance Sheets
(dollars in millions)


  (Unaudited)
March 31,
2006
December 31,
2005
Assets            
Current assets:            
Cash and cash equivalents $ 42.8   $ 30.8  
Accounts receivable, less allowances of $19.6 in 2006 and $16.6 in 2005   621.9     622.3  
Inventories:            
Finished products   272.4     242.6  
Materials and work in process   76.5     70.6  
    348.9     313.2  
Prepaid expenses, taxes and other current assets   54.6     83.1  
Total current assets   1,068.2     1,049.4  
Property, plant, and equipment, net   742.7     755.3  
Intangible assets:            
Goodwill   2,213.3     2,196.7  
Other intangibles, net   1,212.6     1,227.5  
Other assets   323.5     323.5  
Total assets $ 5,560.3   $ 5,552.4  
Liabilities and shareholders’ equity            
Current liabilities:            
Accounts payable $ 280.1   $ 285.4  
Short term debt   35.6     22.6  
Other current liabilities   244.4     235.2  
Total current liabilities   560.1     543.2  
Other liabilities:            
Long-term debt   3,222.3     3,244.2  
Deferred income taxes   333.1     353.0  
Accrued pension benefits   413.5     416.4  
Other liabilities   284.4     278.9  
Minority interest   12.2     11.2  
Shareholders’ equity   734.7     705.5  
Total liabilities and shareholders’ equity $ 5,560.3   $ 5,552.4  

See accompanying notes to condensed consolidated financial statements.

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Nalco Holding Company and Subsidiaries
Condensed Consolidated Statements of Operations
(Unaudited)
(dollars in millions, except per share amounts)


  Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Net sales $ 849.4   $ 777.6  
Operating costs and expenses:            
Cost of product sold   471.1     412.8  
Selling, administrative, and research expenses   275.4     258.1  
Amortization of intangible assets   17.3     20.6  
Business optimization expenses   3.8     0.8  
Total operating costs and expenses   767.6     692.3  
Operating earnings   81.8     85.3  
Other income (expense), net   1.2     (3.4
Interest income   1.7     2.1  
Interest expense   (66.3   (62.1
Earnings before income taxes and minority interests   18.4     21.9  
Income tax provision   7.9     9.7  
Minority interests   (1.7   (1.2
Net earnings $ 8.8   $ 11.0  
Net earnings per share:            
Basic $ 0.06   $ 0.08  
Diluted $ 0.06   $ 0.08  
Weighted-average shares outstanding (millions):            
Basic   142.8     141.7  
Diluted   146.6     146.6  

See accompanying notes to condensed consolidated financial statements.

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Nalco Holding Company and Subsidiaries
Condensed Consolidated Statements of Cash Flows
(Unaudited)
(dollars in millions)


  Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Operating activities            
Net earnings $ 8.8   $ 11.0  
Adjustments to reconcile net earnings to net cash provided by operating activities:            
Depreciation   32.4     33.2  
Amortization   17.3     20.6  
Amortization of deferred financing costs and accretion of senior discount notes   9.6     9.9  
Other   (5.5   10.8  
Changes in operating assets and liabilities   (3.8   (69.8
Net cash provided by operating activities   58.8     15.7  
Investing activities            
Purchase price adjustment on acquisition of Ondeo Nalco Group       (3.2
Additions to property, plant, and equipment, net   (14.6   (12.3
Other   (0.3   (0.4
Net cash used for investing activities   (14.9   (15.9
Financing activities            
Changes in short-term debt, net   10.3     7.9  
Proceeds from long-term debt   3.3     0.1  
Repayments of long-term debt   (45.1   (2.1
Other   (0.8   (4.0
Net cash provided by (used for) financing activities   (32.3   1.9  
Effect of exchange rate changes on cash and cash equivalents   0.4     (0.5
Increase in cash and cash equivalents   12.0     1.2  
Cash and cash equivalents at beginning of period   30.8     33.3  
Cash and cash equivalents at end of period $ 42.8   $ 34.5  

See accompanying notes to condensed consolidated financial statements.

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Nalco Holding Company and Subsidiaries
Notes to Condensed Consolidated Financial Statements
(Unaudited)

March 31, 2006

1.    Description of Business and Change in Ownership

Description of Business

Nalco Holding Company and subsidiaries (the Company) is engaged in the worldwide manufacture and sale of highly specialized service chemical programs. This includes production and service related to the sale and application of chemicals and technology used in water treatment, pollution control, energy conservation, oil production and refining, steelmaking, papermaking, mining, and other industrial processes.

Change in Ownership

On November 4, 2003, our indirect subsidiary, Nalco Holdings LLC (the Buyer), a newly-formed entity controlled by affiliates of The Blackstone Group, L.P., Apollo Management, L.P., and The Goldman Sachs Group, Inc. (collectively, the Sponsors), pursuant to a Stock Purchase Agreement, as amended, with Suez S.A. (Suez or Seller) and certain of its affiliates, acquired the net assets of Ondeo Nalco Group for $4,127.1 million, including direct costs of the acquisition of $125.6 million, excluding assumed debt of $30.2 million, and subject to certain closing and post-closing adjustments (the Acquisition).

2.    Basis of Presentation

These condensed consolidated financial statements should be read in conjunction with the consolidated and combined financial statements and notes thereto included in the Annual Report for Nalco Holding Company and subsidiaries for the fiscal year ended December 31, 2005.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. Management believes these financial statements include all normal recurring adjustments considered necessary for a fair presentation of the financial position and results of operations of the Company. Operating results for the three months ended March 31, 2006 are not necessarily indicative of results that may be expected for the year ended December 31, 2006.

Certain reclassifications have been made to the prior year data to conform to the current year presentation which had no effect on net earnings reported for any period.

3.    Goodwill and Other Intangible Assets

The changes in goodwill for the period were as follows:


(dollars in millions)  
Balance as of December 31, 2005 $ 2,196.7  
Excess accruals for costs to exit activities   (1.0
Effect of foreign currency translation   17.6  
Balance as of March 31, 2006 $ 2,213.3  

In conjunction with the Acquisition, the Company recorded liabilities of $35.5 million, primarily for employee severance and related costs, in connection with a plan to exit or restructure certain activities. As of December 31, 2005, the remaining balance of the accrual was $2.5 million. During the

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3.    Goodwill and Other Intangible Assets (continued)

three months ended March 31, 2006, an additional $1.1 million of severance costs was charged against the accrual. The remaining $1.4 million represented an excess accrual that was written off to goodwill, net of the related deferred tax asset of $0.4 million.

The following table reflects intangible assets and related amortization information:


  As of March 31, 2006 As of December 31, 2005
(dollars in millions) Gross
Amount
Accumulated
Amortization
Gross
Amount
Accumulated
Amortization
Intangible assets subject to amortization:                        
Customer relationships $ 489.9   $ (185.7 $ 486.4   $ (169.8
Patents and developed technology   100.5     (24.7   100.5     (22.2
Other   2.4     (0.3   2.4     (0.3
Intangible assets not subject to amortization:                        
Trademarks and trade names   830.0         830.0      
Pension asset   0.5         0.5      
  $ 1,423.3   $ (210.7 $ 1,419.8   $ (192.3

4.    Debt

Debt consists of the following:


(dollars in millions) March 31,
2006
December 31,
2005
Short-term            
Checks outstanding and bank overdrafts $ 27.5   $ 17.9  
Notes payable to banks   2.1     0.9  
Current maturities of long-term debt   6.0     3.8  
  $ 35.6   $ 22.6  
Long-term            
Securitized trade accounts receivable facility $ 78.6   $ 75.3  
Term loan A, due November 2009   74.4     107.6  
Term loan B, due November 2010   1,071.0     1,081.0  
Senior notes, due November 2011   906.9     900.7  
Senior subordinated notes, due November 2013   706.9     700.7  
Unsecured notes, due May 2008   27.8     27.8  
Senior discount notes, due February 2014   361.3     353.5  
Other   1.4     1.4  
    3,228.3     3,248.0  
Less: Current portion   6.0     3.8  
  $ 3,222.3   $ 3,244.2  

On January 21, 2004, the Company, through its 100% owned subsidiaries, Nalco Finance Holdings LLC and Nalco Finance Holdings Inc. (together, the Issuers), issued $694.0 million aggregate principal amount at maturity of 9.0% senior discount notes due 2014. Prior to February 1, 2009, interest will accrue on the senior discount notes in the form of an increase in the accreted value of such notes. Thereafter, cash interest on the senior discount notes will accrue and be payable semiannually in arrears on February 1 and August 1 of each year, commencing on August 1, 2009, at a rate of 9.0% per annum. The accreted value of each note will increase from the date of issuance until February 1, 2009 at a rate of 9.0% per annum, reflecting the accrual of non-cash interest, such that the accreted value will equal the principal amount at maturity on February 1, 2009.

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4.    Debt (continued)

In December 2004, the Issuers redeemed a portion of the senior discount notes with an accreted value of $162.3 million using proceeds from the initial public offering of common stock of Nalco Holding Company. After the partial redemption, the aggregate principal amount at maturity of the notes declined to $460.8 million from $694.0 million. At March 31, 2006, the senior discount notes had an accreted value of approximately $779.42 per $1,000 principal amount at maturity of notes, resulting in a total accreted value of $359.2 million. The $2.1 million difference between the carrying value of the notes and the total accreted value represents a premium, which is being amortized over the term of the notes.

The Company and the Issuers do not generate any revenue, and Nalco Finance Holdings Inc. was incorporated solely to accommodate the issuance of the senior discount notes by Nalco Finance Holdings LLC. All of the Company’s consolidated assets are owned, and all of the Company’s consolidated net sales are earned, by its direct and indirect subsidiaries. As of March 31, 2006, the Company’s subsidiaries had $1,067.2 million of restricted net assets.

The terms of Nalco Company’s senior credit agreement fully prohibit Nalco Holdings LLC and its subsidiaries from paying dividends or otherwise transferring their assets to the Issuers or the Company. Further, the terms of the indentures governing the senior notes and senior subordinated notes of Nalco Company significantly restrict Nalco Company and the Issuers’ other subsidiaries from paying dividends or otherwise transferring assets to the Issuers or the Company. The ability of Nalco Company to make such payments is governed by a formula based on its consolidated net income, as well as meeting certain other conditions. Notwithstanding such restrictions, such indentures permit an aggregate of $50.0 million of such payments to be made whether or not there is availability under the formula or the conditions to its use are met. The Issuers’ subsidiaries are permitted under the terms of the senior credit facilities and other indebtedness to incur additional indebtedness that may severely restrict or prohibit the making of distributions, the payment of dividends or the making of loans by such subsidiaries to the Issuers or the Company.

5.    Shareholders’ Equity

Shareholders’ equity consists of the following:


(dollars in millions, except per share amounts) March 31,
2006
December 31,
2005
Preferred stock, par value $0.01 per share; authorized 100,000,000 shares; none issued $   $  
Common stock, par value $0.0l per share; authorized 500,000,000 shares; 142,817,403 and 142,737,451 shares issued and outstanding at March 31, 2006 and December 31, 2005, respectively   1.4     1.4  
Additional paid-in capital   739.3     739.1  
Accumulated deficit   (106.3   (115.1
Accumulated other comprehensive income   100.3     80.1  
Total shareholders’ equity $ 734.7   $ 705.5  

In November 2004, a warrant to purchase, for $0.01 per share, up to 6,191,854 shares of Nalco Holding Company common stock was issued as part of a dividend to Nalco LLC, the Company’s sole stockholder on the record date of the dividend. Nalco LLC exercised warrants to acquire 79,952 shares of common stock during the three months ended March 31, 2006. At March 31, 2006, up to 5,037,820 shares of common stock could be purchased by Nalco LLC under the warrant, subject to certain vesting conditions.

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6.    Pension and Other Postretirement Benefit Plans

The components of net periodic pension cost and the cost of other postretirement benefits for the three months ended March 31, 2006 and 2005 were as follows:


  Pension Benefits Other Postretirement Benefits
(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Service cost $ 7.7   $ 7.1   $ 1.6   $ 1.4  
Interest cost   10.4     10.2     2.3     2.1  
Expected return on plan assets   (6.8   (6.5        
Amortization of prior service cost           (1.0   (0.9
Recognized net actuarial loss   0.1              
Settlement charge   0.3              
Net periodic cost $ 11.7   $ 10.8   $ 2.9   $ 2.6  

7.    Business Optimization Expenses

The Company has undertaken several initiatives to redesign and optimize its business and work processes. Business process optimization expenses, consisting mostly of employee severance and related costs, were $3.8 million and $0.8 million for the three months ended March 31, 2006 and March 31, 2005, respectively.

8.    Summary of Other Income (Expense)

The components of other income (expense), net for the three months ended March 31, 2006 and 2005, include the following:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Franchise taxes $ (0.8 $ (0.7
Equity in earnings of unconsolidated subsidiaries   0.7     0.8  
Foreign currency exchange adjustments   0.3     (0.7
Other   1.0     (2.8
  $ 1.2   $ (3.4

9.    Income Taxes

The Company’s effective income tax rate was 42.9% for the three months ended March 31, 2006. The rate varies from the U.S. federal statutory income tax rate of 35% primarily due to the incremental tax on dividends received from non-U.S. subsidiaries, foreign taxes provided at other than the 35% U.S. statutory rate, U.S. state income taxes, nondeductible expenses, and other permanent differences.

The aforementioned items also contributed to the variation between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the three months ended March 31, 2005.

The effective rate of the provision for income taxes differs from the U.S. statutory tax rate due to the following items:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
U.S. federal statutory tax rate $ 6.4   $ 7.7  
Other   1.5     2.0  
Income tax provision $ 7.9   $ 9.7  

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10.    Comprehensive Income (Loss)

Total comprehensive income (loss) and its components, net of related tax, for the three months ended March 31, 2006 and 2005, are as follows:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Net earnings $ 8.8   $ 11.0  
Other comprehensive income (loss), net of income taxes:            
Derivatives   (0.3   0.5  
Foreign currency translation adjustments   20.5     (21.1
Comprehensive income (loss) $ 29.0   $ (9.6

11.    Segment Information

The Company provides integrated water treatment and process improvement services for industrial and institutional applications, using technologically advanced solutions, combining chemical products and equipment, and consistent, reliable on-site service and expertise. These solutions and services enable the Company’s customers to improve production yields, lower manufacturing costs, extend asset lives and maintain environmental standards at costs that represent a small share of their overall production expense.

The Company is organized based on the end markets it serves. The organization is comprised of the following reportable segments:

Industrial and Institutional Services – This segment serves the global water treatment and process chemical needs of the industrial, institutional, and municipal markets.

Energy Services – This segment serves the process chemicals and water treatment needs of the global petroleum and petrochemical industries in both upstream and downstream applications.

Paper Services – This segment serves the process chemicals and water treatment needs of the global pulp and paper industry.

Other – This segment serves the alternative channels to market, supply chain activities, and certain other operating expenses not allocated to a segment. It also includes the Company’s subsidiary in India and the Katayama Nalco joint venture.

The Company evaluates the performance of its segments based on ‘‘direct contribution’’, which is defined as net sales, less cost of products sold (excluding variances to standard costs), selling and service expenses, marketing expenses, research expenses and ‘‘capital charges’’ directly attributable to each segment. Each segment is assessed an internal non-GAAP ‘‘capital charge’’ based on trade accounts receivable, inventories and equipment specifically identifiable to the segment. The capital charges included in each segment’s direct contribution are eliminated to arrive at the consolidated direct contribution for the Company. There are no intersegment revenues. The Company’s segment reporting was changed in the first quarter of 2006 to reflect the aforementioned capital charge in the reported direct contribution of each segment. Prior year data have been reclassified between segments to conform to the current year presentation.

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11.    Segment Information (continued)

Net sales by reportable segment were as follows:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Industrial and Institutional Services $ 378.4   $ 341.0  
Energy Services   246.3     210.6  
Paper Services   175.8     170.1  
Other   48.9     55.9  
Net sales $ 849.4   $ 777.6  

The following table presents direct contribution by reportable segment and reconciles the total segment direct contribution to earnings before income taxes and minority interests:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Industrial and Institutional Services $ 79.8   $ 65.5  
Energy Services   48.3     43.0  
Paper Services   26.1     30.1  
Other   (19.4   (5.2
Capital charge elimination   19.2     19.8  
Total segment direct contribution   154.0     153.2  
Expenses not allocated to segments:            
Administrative expenses   51.1     46.5  
Amortization of intangible assets   17.3     20.6  
Business optimization expenses   3.8     0.8  
Operating earnings   81.8     85.3  
Other income (expense), net   1.2     (3.4
Interest income   1.7     2.1  
Interest expense   (66.3   (62.1
Earnings before income taxes and minority interests $ 18.4   $ 21.9  

Administrative expenses primarily represent the cost of support functions, including information technology, finance, human resources and legal, as well as expenses for support facilities, executive management and management incentive plans.

12.    Earnings Per Share

Basic earnings per share is computed by dividing net earnings by the weighted average number of common shares outstanding during the period. Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock.

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12.    Earnings Per Share (continued)

Basic and diluted earnings per share were calculated as follows:


(in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Numerator for basic and diluted earnings per share:
Net earnings
$ 8.8   $ 11.0  
Denominator for basic earnings per share – weighted average common shares outstanding   142.8     141.7  
Effect of dilutive securities:            
Stock purchase warrant   3.8     4.9  
Denominator for diluted earnings per share   146.6     146.6  

13.    Contingencies and Litigation

Various claims, lawsuits and administrative proceedings are pending or threatened against the Company and its subsidiaries, arising from the ordinary course of business with respect to commercial, contract, intellectual property, product liability, employee, environmental and other matters. Historically, these matters have not had a material impact on the consolidated financial position of the Company. However, the Company cannot predict the outcome of any litigation or the potential for future litigation.

The Company has been named as a potentially responsible party (PRP) by the Environmental Protection Agency or state enforcement agencies at three pending waste sites where some financial contribution is or may be required. These agencies have also identified many other parties who may be responsible for clean up costs at these waste disposal sites. The Company is also remediating a small ground contamination it discovered at its plant in Colombia. The Company’s financial contribution to remediate these sites is not expected to be material. There has been no significant financial impact on the Company up to the present, nor is it anticipated that there will be in the future, as a result of these matters. The Company has made and will continue to make provisions for these costs if the Company’s liability becomes probable and when costs can be reasonably estimated.

The Company’s undiscounted reserves for known environmental clean up costs were $2.1 million at March 31, 2006.

These environmental reserves represent management’s current estimate of its proportional clean-up costs (and the cost to remediate the Colombia site) and are based upon negotiation and agreement with enforcement agencies, its previous experience with respect to clean-up activities, a detailed review by the Company of known conditions, and information about other PRPs. They are not reduced by any possible recoveries from insurance companies or other PRPs not specifically identified. Although management cannot determine whether or not a material effect on future operations is reasonably likely to occur, given the evolving nature of environmental regulations, it believes that the recorded reserve levels are appropriate estimates of the potential liability. Although settlement will require future cash outlays, it is not expected that such outlays will materially impact the Company’s liquidity position. Expenditures for the three months ended March 31, 2006, relating to environmental compliance and clean up activities, were not significant.

The Company has been named as a defendant in lawsuits based on claimed involvement in the supply of allegedly defective or hazardous materials and the claimed presence of hazardous substances at its plants. The plaintiffs in these cases seek damages for alleged personal injury or potential injury resulting from exposure to our products or other chemicals. These matters have had a de minimis impact on the Company’s business historically and the Company does not anticipate these matters to present any material risk to the Company’s business in the future. Notwithstanding, the Company cannot predict the outcome of any such lawsuits or the involvement the Company might have in these matters in the future.

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13.    Contingencies and Litigation (continued)

The U.K. Health and Safety Executive (‘‘HSE’’) has sent notice that it intends to initiate legal proceedings against the Company’s U.K. subsidiary under the Health and Safety at Work Act. The place of these proceedings is not indicated in the notice. This notice references a legionella outbreak that is claimed to have originated at cooling towers owned by one of the subsidiary’s customers. The HSE indicates that the proceedings will relate to the cleaning of these cooling towers. The Company has not received any specific charges or claims for relief, but will, in any event, defend and refute any contention that it has violated any law.

The Company has received subpoenas from the U.S. Department of Justice for documents and testimony relating to its storage of claimed hazardous materials, the claimed leakage of wastewater and other matters at its plant in Garyville, Louisiana. No charges or indictments have been filed, but the outcome of this investigation is unknown to the Company.

In the ordinary course of its business, the Company is also a party to a number of lawsuits and is subject to various claims relating to trademarks, employee matters, contracts, transactions, chemicals and other matters, the outcome of which, in the opinion of management, should not have a material effect on the consolidated financial position of the Company. However, we cannot predict the outcome of any litigation or the potential for future litigation. Were an unfavorable ruling to occur, there exists the possibility of a material adverse impact on the results of operations for the period in which the ruling occurs. The Company maintains accruals where the outcome of the matter is probable and can be reasonably estimated.

14.    Guarantees

No significant guarantees were outstanding at March 31, 2006, other than subsidiary-related performance guarantees.

The Company had $27.2 million of letters of credit outstanding at March 31, 2006.

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Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations

On November 4, 2003, Nalco Holdings LLC, our subsidiary and a company formed by The Blackstone Group, Apollo Management, L.P. and GS Capital Partners (the ‘‘Sponsors’’), purchased all of the outstanding shares of capital stock of Ondeo Nalco Company (which is now known as Nalco Company) and the Nalco International SAS Subsidiaries, which had been operated as a single business unit, from subsidiaries of Suez S.A. (Suez). In the following discussion and analysis, we refer to this acquisition as the ‘‘Acquisition,’’ and the term ‘‘Transactions’’ means, collectively, the Acquisition and the related financings to fund the Acquisition.

The statements in the discussion and analysis regarding industry outlook, our expectations regarding the performance of our business and the other non-historical statements in the discussion and analysis are forward-looking statements. These forward-looking statements are subject to numerous risks and uncertainties. Our actual results may differ materially from those contained in or implied by any forward-looking statements. You should read the following discussion together with the consolidated financial statements of Nalco Holding Company included elsewhere in this report.

‘‘Safe Harbor’’ Statement Under Private Securities Litigation Reform Act of 1995

This Quarterly Report for the fiscal quarter ended March 31, 2006 (the ‘‘Quarterly Report’’) includes ‘‘forward-looking statements’’ within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These forward-looking statements include statements concerning our plans, objectives, goals, strategies, future events, future revenue or performance, capital expenditures, financing needs, plans or intentions relating to acquisitions, business trends and other information that is not historical information. When used in this Quarterly Report, the words ‘‘estimates,’’ ‘‘expects,’’ ‘‘anticipates,’’ ‘‘projects,’’ ‘‘plans,’’ ‘‘intends,’’ ‘‘ believes,’’ ‘‘forecasts,’’ or future or conditional verbs, such as ‘‘will,’’ ‘‘should,’’ ‘‘could’’ or ‘‘may,’’ and variations of such words or similar expressions are intended to identify forward-looking statements. All forward-looking statements, including, without limitation, management’s examination of historical operating trends and data are based upon our current expectations and various assumptions. Our expectations, beliefs and projections are expressed in good faith and we believe there is a reasonable basis for them. However, there can be no assurance that management’s expectations, beliefs and projections will be achieved.

There are a number of risks and uncertainties that could cause our actual results to differ materially from the forward-looking statements contained in this Quarterly Report. Additionally, important factors could cause our actual results to differ materially from the forward-looking statements we make in this Quarterly Report. As stated elsewhere in this Quarterly Report, such risks, uncertainties and other important factors include, among others:

•  our substantial leverage;
•  limitations on flexibility in operating our business contained in our debt agreements;
•  increases in interest rates as a result of our variable rate indebtedness;
•  pricing pressure from our customers;
•  changes to, or elimination of, legal or regulatory requirements imposed upon our customers which could adversely affect portions of our business, such as that which serves the synthetic-fuel industry;
•  technological change and innovation;
•  risks associated with our non-U.S. operations;
•  fluctuations in currency exchange rates;
•  high competition in the markets in which we operate;
•  adverse changes to environmental, health and safety regulations;
•  operating hazards in our production facilities;

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•  inability to achieve expected cost savings;
•  difficulties in securing the raw materials we use;
•  our significant pension benefit obligations and the current underfunding in our pension plans;
•  our ability to realize the full value of our intangible assets;
•  our ability to attract and retain skilled employees, particularly research scientists, technical sales professionals and engineers;
•  our ability to protect our intellectual property rights; and
•  the possibility that our owners’ interests will conflict with ours or yours.

There may be other factors that may cause our actual results to differ materially from the forward-looking statements.

All forward-looking statements attributable to us or persons acting on our behalf apply only as of the date of this Quarterly Report and are expressly qualified in their entirety by the cautionary statements included in this Quarterly Report. We undertake no obligation to update or revise forward-looking statements which may be made to reflect events or circumstances that arise after the date made or to reflect the occurrence of unanticipated events.

Executive Level Overview

Nalco delivered rapid sales growth and good cash generation to repay debt in the first quarter, but those results did not immediately translate into improved quarterly net income or Adjusted EBITDA.

First quarter sales grew 9.2% to $849.4 million, including 11.0% organic growth partly offset by negative foreign currency impacts of 1.8%. Organic growth excludes the impacts of changes in foreign currency translation rates and acquisitions and divestitures. Real sales growth — organic growth less price that simply passes on higher costs — exceeded what we expect for the remainder of the year, benefiting from a year-ago quarter weakened by moving sales ahead of a January 2005 systems conversion. For the year, we expect real sales growth to be nearly half of our 7% organic growth target in 2006. This is lower real sales growth than our long-term expectations, as our sales engineers’ time continues to be required to sell price increases.

At the sales level, we benefited from favorable external conditions during the quarter that we expect to carry forward at least in the near term:

•  Economic improvement in Western Europe and continued stability elsewhere,
•  Continued strength in petroleum exploration, production and refining, and
•  Production improvement among North American paper producers that we hope will translate into an improved environment for suppliers.

More than 55% of our sales came from business units growing at better than 10% organically. Only one business — our European Paper business — suffered a modest organic sales decline. Price continued to be an important part of our organic improvement, delivering 6.1% of the 11.0% improvement. Real growth of 4.9% is on track with our long-term expectations for our base business, and ahead of planned results. Price increases outpaced $34 million in cost increases during the quarter. However, since mid-2004, cumulative purchased material and freight cost increases have totaled $229 million versus about $197 million in increased price.

While we are now running price ahead of cost on a year-on-year basis, we obviously need additional price increases to get us even with the total costs we have absorbed since purchased material and freight cost increases began. This is particularly true in our Energy and Paper segments. It is far too

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early to declare victory over raw material costs with the recent run-up in crude oil prices, so we need to maintain a strong focus on capturing price.

Our price achievement is clearly strongest in the Industrial and Institutional Services business. The Industrial and Institutional business was very healthy in the quarter, with strong comparisons against a weak first quarter in 2005. Real growth was near the corporate average, and we had substantial success in price that allowed for solid expansion of our direct contribution margin. This growth came despite warm weather conditions in North America that led to lower sales for boiler treatment products during the quarter. Despite the warm weather, NexGuard® boiler automation technology sales continued to expand in the region. Mix impacts contributed negatively to Industrial and Institutional Services results, but were more than offset by volume and price gains.

We are pleased that customers and prospects are interested in technology innovations that provide performance advantages, particularly as we work to develop more advanced boiler automation technology for introduction in the near future. We are also pleased with the current momentum in our cooling water applications, driven by strong market acceptance of our 3D TRASAR® cooling water stress management technology. Also, within Industrial and Institutional Services, we continue to see very strong financial performance from two of our smaller offerings. Sales of our colloidal particle products into the electronics, catalyst and investment casting markets are robust, as are sales of additives into the personal care products industry. The improvements in our cooling water and process additives business within Industrial and Institutional Services were strong enough that we could absorb unfavorable weather in our largest region and still deliver substantial performance improvement.

From a sales perspective, Energy Services is doing extremely well. At $246.3 million in first quarter sales, the business is well positioned to hit a $1 billion year-end sales mark. Our Downstream, Oil Field and Adomite business units all grew at better than 15% in the first quarter. Clearly, our customers in this business are enjoying the healthiest economic environment they have seen in many, many years. Growth in our business comes despite some lingering sales and earnings impacts related to the 2005 hurricanes, with the most noticeable of these impacts being that a number of customer operations in the Gulf of Mexico have not yet restarted.

Unfortunately, we did not gain the type of operating leverage we would expect from sales growth at the exceptional levels delivered by Energy Services. While operating profits are higher than in the prior year in Energy Services, we experienced a modest decline in Energy Services direct contribution as a percent of sales. This was the result of a continued lag in price increases catching up with rising product costs, along with several unplanned cost items that were booked in the quarter. We are confident this is not a trend that will continue, and that ongoing very strong sales can be matched with earnings improvement more in line with that growth as the year progresses.

Our Paper Services segment continued to struggle in every region except Asia. While sales in North America and Latin America grew modestly, those regions joined Europe in under-performing 2005 results at an earnings level. External data suggests that market conditions for many customers in North America are starting to improve. As we look at our raw material costs, the business likely to face the largest continued cost increase is our Paper Services business. Price clearly remains the issue in Paper.

Taken as a total, our three primary segments delivered 11.3% improvement in direct contribution dollars compared to the first quarter of 2005. Given this performance improvement in our primary businesses, our flat overall earnings resulted in part from impacts in the Other segment. The business units in the Other segment performed reasonably, including Katayama Nalco, India and our Integrated Channels Group. However, there were supply chain variances and favorable adjustments in the first quarter of 2005 for commissions and insurance/legal claims that did not recur in 2006. In addition, as a

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result of a significant increase in volumes shipped in the last few days of March 2006 vs. 2005, we deferred a higher amount of revenue to the subsequent period when the shipments were received by our customers and title transferred.

Beginning with the period ended March 31, 2006, our segment reporting is being changed to allocate capital charges to each of the segments. These charges for receivables, customer-consigned inventory and equipment are intended to ensure that business managers recognize the full costs of each business decision and better manage our balance sheet. The charge will result in reduced direct contribution and direct contribution margin levels for the segments. An elimination adjustment is now shown to offset the capital charges placed on the segments.

In addition to expenses in the Other segment, our business units also incurred some unusual levels of expense in the first quarter that we do not expect to recur during the year — items that included outside services, higher-than-expected bad debt write-offs and timing of other operating expenses.

Higher interest and business process optimization expenses also contributed to decreasing net earnings to $8.8 million from $11.0 million in the first quarter of 2005. Earnings per share were 6 cents versus 8 cents in the year-ago period. Net earnings includes after-tax charges of $4.9 million for business process optimization, reimbursed benefit plan contributions and unusual charges such as costs related to a secondary share offering in March.

Adjusted EBITDA of $143.9 million was comparable to year-earlier results of $144.3 million. Solid Free Cash Flow of $42.5 million enabled the Company to make debt reduction payments of $45 million, even with a sizable use of cash to expand inventory in preparation for the summer cooling water season. Free Cash Flow improvement compared to the prior-year period was aided by making no payments this year under our variable incentive plans for 2005. Free Cash Flow is defined as net cash provided by operating activities, less capital expenditures and minority interest charges.


(in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Net cash provided by operating activities $ 58.8   $ 15.7  
Minority interests   (1.7   (1.2
Additions to property, plant, and equipment, net   (14.6   (12.3
Free cash flow $ 42.5   $ 2.2  

The Free Cash Flow improvement came despite a use of cash of $34 million to increase our inventories heading into the summer cooling water season. In addition to taking on the higher working capital use that results from higher cost and sales prices, we increased our inventory and receivables levels from a days held or days outstanding perspective during the quarter. Payables remained on par with year-end results. We expect to see improvement on inventories and receivables from a days perspective during the course of the year, but we do not plan on the type of aggressive inventory reduction we delivered in the second quarter of 2005.

During the quarter, we made debt payments of $45 million that included retiring the remaining $31.9 million on the dollar-denominated portion of Term Loan A. We also made our only required 2006 principal payment — of $3.1 million on the Euro-denominated portion of Term Loan A — and paid down $10 million of our Term Loan B obligations that come due in 2010.

During the first quarter, lenders agreed to reduce the interest rate on our Term Loan B obligations by 25 basis points to 175 basis points over LIBOR. This reduction will save us approximately $2.5 million this year in interest expense compared to prior terms. Despite our debt reduction over the past year, interest expense is expected to be higher in 2006 than in 2005 because of the higher interest rate environment.

In early April, we added $45 million to a first quarter U.S. pension plan contribution of $13.5 million. The $58.5 million in contributions completes our 2006 pension funding requirements for our U.S.

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plans. The April contribution was paid through drawing on the Company’s revolver, a transaction that results in net income and EBITDA benefits compared to making equally phased payments through the year. We make large semi-annual interest payments in May and November each year. Because of the combination of interest and pension payments, we do not plan on Free Cash Flow generation in the second quarter.

Finally, hurricane-related lost sales and pre-tax losses are estimated to have been $5 million and $3 million in the quarter respectively, out of a total projected 2006 impact of $13 million in lost sales and less than $9 million in pre-tax losses. Energy Services is incurring the largest portion of these impacts due to Gulf of Mexico customer rig curtailments. Raw material supplier problems also contribute to higher costs.

Nalco is on track, however, to meet its full-year expectations as the fundamental business is strong and several issues that dampened first quarter results are not expected to be with us in the balance of the year.

Results of Operations — Consolidated

Net sales for the three months ended March 31, 2006 were $849.4 million; a 9.2% increase from the $777.6 million reported for the three months ended March 31, 2005. On an organic basis, which excludes the impacts of changes in foreign currency translation rates and acquisitions and divestitures, net sales were up 11.0%. Of this improvement, 6.1% was attributed to price increase, while the remaining 4.9% was driven by favorable sales growth broadly spread across our customer base. Although this growth was partly attributable to lower first quarter 2005 sales due to customers making advanced purchases to avoid risking potential complications from a January 2005 systems conversion, new customer growth in 2006 also factored into the year-over-year improvements.

Gross profit, defined as the difference between net sales and cost of product sold, of $378.3 million for the three months ended March 31, 2006 increased by $13.5 million, or 3.7%, over the $364.8 million for the three months ended March 31, 2005. On an organic basis, gross profit increased by $20.1 million, or 5.5%. Higher sales volume accounted for most of the increase. Also contributing to the improvement was the impact of higher selling prices, but that was largely offset by the effect of increased costs of raw and other purchased materials, freight, and changes in product mix. Gross profit margin for the three months ended March 31, 2006 was 44.5% compared to 46.9% for the year-ago period.

Selling, administrative, and research expenses for the three months ended March 31, 2006 of $275.4 million increased $17.3 million, or 6.7%, from $258.1 million for the three months ended March 31, 2005. On an organic basis, selling, administrative, and research expenses increased $22.0 million. Of this difference, $15.7 million was attributable to selling expense, which was primarily due to higher commission expenses ratably in line with increased sales, bad debts, and outside services. Administrative expense increased from the year-ago period due to higher outside services, most notably consulting, and insurance.

Business optimization expenses, representing mostly employee severance and related costs associated with the continuing redesign and optimization of business and work processes, were $3.8 million for the three months ended March 31, 2006, a $3.0 million increase over the $0.8 million for the three months ended March 31, 2005.

Amortization of intangible assets was $17.3 million and $20.6 million for the three months ended March 31, 2006 and 2005, respectively. The decrease was attributable to lower amortization of customer relationships, which are amortized using an accelerated method.

Other income (expense), net favorably changed by $4.6 million from the net expense of $3.4 million for the three months ended March 31, 2005. A $2.4 million impairment loss on a business held for sale

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recorded during the three months ended March 31, 2005, and a $1.0 million favorable change in foreign exchange gains and losses accounted for most of the difference.

Net interest expense, defined as the combination of interest income and interest expense, of $64.6 million for the three months ended March 31, 2006 increased by $4.6 million from the $60.0 million reported for the three months ended March 31, 2005. The impact of higher interest rates on variable rate borrowings more than offset the impact of a lower average debt level compared to the year-ago period.

The effective tax rate for the three months ended March 31, 2006 was 42.9%. The rate varies from the U.S. federal statutory income tax rate of 35% primarily due to the incremental tax on dividends received from non-U.S. subsidiaries, foreign taxes provided at other than the 35% U.S. statutory rate, U.S. state income taxes, nondeductible expenses, and other permanent differences.

The aforementioned items also contributed to the variation between the U.S. federal statutory income tax rate and the Company’s effective income tax rate for the three months ended March 31, 2005.

Minority interest expense was $0.5 million higher than the $1.2 million for the three months ended March 31, 2005, reflecting improved results for most of the Company’s non-wholly owned subsidiaries.

Results of Operations — Segment Reporting

Net sales by reportable segment for the three months ended March 31, 2006 and March 31, 2005 may be compared as follows:


  Three Months Ended   Attributable to Changes
in the Following Factors
(dollars in millions) March 31,
2006
March 31,
2005
% Change Currency
Translation
Acquisitions/
Divestitures
Organic
Industrial & Institutional Services $ 378.4   $ 341.0     11.0   (1.9 )%        12.9
Energy Services   246.3     210.6     17.0   (1.0 )%        18.0
Paper Services   175.8     170.1     3.4   (1.3 )%        4.7
Other   48.9     55.9     (12.4 )%    (5.6 )%        (6.8 )% 
Net sales $ 849.4   $ 777.6     9.2   (1.8 )%        11.0

The Industrial and Institutional Services division reported sales of $378.4 million for the three months ended March 31, 2006, a $37.4 million increase, or 11.0%, over the $341.0 million for the year-ago period. Price increases contributed to most of the 12.9% organic change, with real growth near the corporate average. Positive organic improvement was reported by all business units within the division.

The Energy Services division reported sales of $246.3 million for the three months ended March 31, 2006, a 17.0% gain over the $210.6 million for the three months ended March 31, 2005. Organic sales improved strongly by 18.0%, the majority of which was attributed to real growth. All businesses within Energy Services — Downstream, Adomite, and Oil Field — grew double digits in the quarter.

The Paper Services division reported sales of $175.8 million for the three months ended March 31, 2006, a 3.4% increase over the $170.1 million reported in the first quarter of 2005. The Asia Pacific region reported impressive double-digit organic growth; however, the division, as a whole, continues to struggle. Sales in North America and Latin America grew organically, but nearly all of this growth was attributable to price increases.

The operating business units in the Other segment, including the Katayama Nalco joint venture, India, and Integrated Channels, reported favorable organic improvements over last year, but these gains were more than offset by the effect of changes in revenue recognition accruals.

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Direct contribution is defined as the difference between net sales and operating costs, including cost of product sold, selling and service expenses, marketing expenses, research expenses and capital charges.

Direct contribution by reportable segment for the three months ended March 31, 2006 and March 31, 2005 may be compared as follows:


  Three Months Ended   Attributable to Changes
in the Following Factors
(dollars in millions) March 31,
2006
March 31,
2005
% Change Currency
Translation
Acquisitions/
Divestitures
Organic
Industrial & Institutional Services $ 79.8   $ 65.5     21.8   (2.6 )%        24.4
Energy Services   48.3     43.0     12.3   (1.4 )%        13.7
Paper Services   26.1     30.1     (13.3 )%    (0.7 )%        (12.6 )% 
Other   (19.4   (5.2   (273.1 )%    1.9       (275.0 )% 
Capital charge elimination   19.2     19.8     (3.0 )%    (2.5 )%        (0.5 )% 
Direct contribution $ 154.0   $ 153.2     0.5   (1.9 )%        2.4

Direct contribution of the Industrial and Institutional Services division was $79.8 million for the three months ended March 31, 2006, an increase of 21.8% over the $65.5 million reported for the three months ended March 31, 2005. Organically, direct contribution improved 24.4%. The Industrial and Institutional Services division’s success in implementing price increases and controlling operating expenses contributed to the period-on-period performance improvement.

The Energy Services division reported direct contribution of $48.3 million for the three months ended March 31, 2006, a 12.3% increase over the $43.0 million reported for the prior year period. On an organic basis, direct contribution increased 13.7%. Higher sales volume accounted for most of the increase. Lower gross profit margins due to lower than planned price increase efforts and higher operating expenses, mostly in commissions, outside services and legal accruals, partly offset these increased revenues.

The Paper Services division reported direct contribution of $26.1 million for the three months ended March 31, 2006, a 13.3% decrease from the direct contribution reported for the three months ended March 31, 2005. Organically, direct contribution was down 12.6%, as costs of raw and other purchased materials continued to exceed price increases, while operating expenses were nearly flat on a period-on-period basis.

The direct contribution loss of $19.4 million reported in ‘‘Other’’ for the three months ended March 31, 2006, represented an increase of $14.2 million from the $5.2 direct contribution loss reported in the first quarter 2005. Significant contributors to the year-over-year change include supply chain variances that benefited 2005 first quarter results, an increase in revenue deferrals due to higher volumes shipped in late March 2006 versus March 2005, and favorable adjustments in 2005 for commissions and insurance/legal claims that did not recur in 2006.

Beginning with the period ended March 31, 2006, the Company initiated a capital charge allocation to each of the reporting segments. These charges for receivables, customer-consigned inventory, and equipment are intended to ensure that business managers recognize the full costs of each business decision and better manage the balance sheet. The capital charge elimination represents the elimination adjustment to offset the capital charge allocated to the segments.

Liquidity and Capital Resources

Operating activities.    Historically, the Company’s main source of liquidity has been its solid cash flow generated by operating activities. For the three months ended March 31, 2006, cash provided by operating activities was $58.8 million, a $43.1 million increase from the same period last year. The improvement was mainly the result of having made no payments in 2006 under variable incentive plans for 2005.

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Investing activities.    Cash used for investing activities was $14.9 million for the three months ended March 31, 2006, which was mostly attributable to net property additions of $14.6 million.

Cash used for investing activities was $15.9 million for the three months ended March 31, 2005. This was mostly the result of net property additions of $12.3 million.

Financing activities.    Net cash used for financing activities totaled $32.3 million during the three months ended March 31, 2006, which was mostly attributable to a net decrease in borrowings.

Net cash provided by financing activities totaled $1.9 million during the three months ended March 31, 2005. This was primarily comprised of a net increase in borrowings.

Since the Transactions, we have been highly leveraged. Our liquidity requirements are significant, primarily due to debt service requirements as well as research and development and capital investment. Our primary source of liquidity will continue to be cash flow generated from operations, but we also have availability under a $250 million revolving credit facility and a $100 million receivables facility, in each case subject to certain conditions. We believe that our financial position and financing structure will provide flexibility in worldwide financing activities and permit us to respond to changing conditions in credit markets.

Senior credit facilities.    On November 4, 2003, we entered into senior credit facilities which provided for a revolving credit facility, a $300 million six-year term loan A facility (which includes an €88.0 million tranche) which matures in November 2009 and a $1,300 million seven-year term loan B facility which matures in November 2010. Borrowings under the senior credit facilities bear interest at a floating base rate plus an applicable margin. The applicable margin for borrowings under the revolving credit facility and the term loan A facility is 1.50% with respect to base rate borrowings and 2.50% with respect to LIBOR or Eurocurrency borrowings and may be reduced subject to our attaining certain leverage ratios. The applicable margin for borrowings under the term loan B facility is 0.75% with respect to base rate borrowings and 1.75% with respect to LIBOR or Eurocurrency borrowings. The applicable margin for borrowings under the term loan B facility is not subject to adjustment.

In addition to paying interest on outstanding principal under the senior credit facilities, we are required to pay a commitment fee to the lenders under the revolving credit facility in respect of the unutilized commitments at a rate equal to 0.50%. We also pay customary letter of credit fees.

The term loan A facility will amortize each year in quarterly amounts at a rate of 5% per annum in year one, 10% per annum in year two, 15% per annum in year three, 20% per annum in year four and 25% per annum in each of years five and six.

The term loan B facility will amortize each year in an amount equal to 1% per annum in equal quarterly installments for the first six years and nine months, with the remaining amount payable on November 4, 2010.

At March 31, 2006, the outstanding balance of the term loan A and term loan B facilities was $74.4 million and $1,071.0 million, respectively.

Principal amounts outstanding under the revolving credit facility will be due and payable in full at maturity on November 4, 2009. There were no outstanding borrowings under the revolving credit facility as of March 31, 2006.

The senior credit facilities contain a number of covenants that, among other things, restrict, subject to certain exceptions, our ability and the ability of our subsidiaries (including Nalco Company) to sell assets, incur additional indebtedness or issue preferred stock, repay other indebtedness, pay dividends and distributions or repurchase certain capital stock, create liens on assets, make investments, loans or advances, make certain acquisitions, engage in mergers or consolidations, enter into sale and leaseback transactions, engage in certain transactions with affiliates, amend certain material agreements

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governing our indebtedness, change the business conducted by us and our subsidiaries (including Nalco Company) and enter into hedging agreements. In addition, the senior credit facilities require Nalco Company to maintain the following significant financial covenants: a maximum total leverage ratio, a minimum interest coverage ratio and a maximum capital expenditures limitation. We were in compliance with all covenants at March 31, 2006.

Senior notes, senior subordinated notes and senior discount notes.    As part of the Transactions in November 2003, Nalco Company issued $665 million aggregate principal amount of 7¾% U.S. dollar-denominated senior notes due 2011, €200 million aggregate principal amount of 7¾% euro-denominated senior notes due 2011, $465 million aggregate principal amount of 8 7/8% U.S. dollar-denominated senior subordinated notes due 2013 and €200 million aggregate principal amount of 9% euro-denominated senior subordinated notes due 2013.

On January 21, 2004, our subsidiaries, Nalco Finance Holdings LLC and Nalco Finance Holdings Inc., issued $694.0 million aggregate principal amount at maturity of 9.0% senior discount notes due 2014. Prior to February 1, 2009, interest will accrue on the notes in the form of an increase in the accreted value of such notes. The accreted value of each note will increase from the date of issuance until February 1, 2009 at a rate of 9.0% per annum, reflecting the accrual of non-cash interest, such that the accreted value will equal the principal amount at maturity on February 1, 2009. Cash interest payments on the notes will be due and payable beginning in 2009. Our primary source of liquidity for such payments will be cash flow generated from the operations of subsidiaries, including Nalco Holdings LLC and Nalco Company. However, the terms of Nalco Company’s senior credit agreement fully prohibit Nalco Holdings LLC and our other subsidiaries from paying dividends or otherwise transferring assets to the issuers. In addition, the terms of certain of the indentures governing the existing senior notes and senior subordinated notes of Nalco Company significantly restrict Nalco Company and our other subsidiaries from paying dividends, making distributions and otherwise transferring assets to the issuers of the senior discount notes. In addition, as a condition to making such payments to the issuers based on such formula, Nalco Holdings LLC must have an Adjusted EBITDA to interest expense ratio of at least 2.0 to 1 after giving effect to any such payments. Notwithstanding such restrictions, such indentures permit an aggregate of $50.0 million of such payments to be made whether or not there is availability under the formula or the conditions to its use are met.

In December 2004, Nalco Finance Holdings LLC and Nalco Finance Holdings Inc. redeemed a portion of the senior discount notes with an accreted value of $162.3 million using proceeds from the November 2004 initial public offering of common stock of Nalco Holding Company. After the partial redemption, the aggregate principal amount at maturity of the notes declined to $460.8 million from $694.0 million.

The indentures governing the senior notes, the senior subordinated notes and senior discount notes limit our ability and the ability of our restricted subsidiaries to:

•  incur additional indebtedness;
•  pay dividends on or make other distributions or repurchase certain capital stock;
•  make certain investments;
•  enter into certain types of transactions with affiliates;
•  limit dividends or other payments by our restricted subsidiaries;
•  use assets as security in other transactions; and
•  sell certain assets or merge with or into other companies.

Subject to certain exceptions, the indentures governing the senior notes, the senior subordinated notes, and the senior discount notes permit the Company and our restricted subsidiaries to incur additional indebtedness, including secured indebtedness.

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Covenant compliance.    The breach of covenants in our senior credit agreement that are tied to ratios based on Adjusted EBITDA could result in a default under that agreement and the lenders could elect to declare all amounts borrowed due and payable. Any such acceleration would also result in a default under our indentures. Additionally, under our debt agreements, our ability to engage in activities such as incurring additional indebtedness, making investments and paying dividends is also tied to ratios based on Adjusted EBITDA.

Adjusted EBITDA is used to determine our compliance with many of the covenants contained in the indentures governing the notes and in our senior credit agreement. Adjusted EBITDA is defined as EBITDA further adjusted to exclude unusual items and other adjustments permitted in calculating covenant compliance under the indentures and our senior credit facility. We believe that the inclusion of supplementary adjustments to EBITDA applied in presenting Adjusted EBITDA are appropriate to provide additional information to investors to demonstrate compliance with our financing covenants.

Adjusted EBITDA is calculated as follows:


(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Net earnings $ 8.8   $ 11.0  
Interest, net   64.6     60.0  
Income tax provision   7.9     9.7  
Depreciation   32.4     33.2  
Amortization   17.3     20.6  
EBITDA $ 131.0   $ 134.5  
Non-cash charges (1)   9.5     10.1  
Business optimization expenses (2)   3.8     0.8  
Unusual items (3)   0.7     0.7  
Other adjustments (4)   (1.1   (1.8
Adjusted EBITDA $ 143.9   $ 144.3  
(1) Non-cash charges are further detailed on the following table:

(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Asset write-offs $ 0.9   $ 2.4  
Profit sharing expense and 401(k) funded by Suez   5.4     5.6  
Other   3.2     2.1  
Non-cash charges $ 9.5   $ 10.1  

Profit Sharing and 401(k) Expense Funded by Suez

In conjunction with the Acquisition, we entered into an agreement with Suez whereby Suez will reimburse us for certain profit-sharing and 401(k) matching contributions made by us to the Profit-Sharing Trust.

Other

Other non-cash charges include the non-cash impact on earnings of our equity investments and minority interests. Non-cash charges also includes the non-cash portion of rent expense under the sublease that we entered into with Suez in conjunction with the Acquisition.

(2)  Business optimization expenses include costs associated with the redesign and optimization of work processes. See note 7 to Item 1 for more information.

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Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations (continued)
(3)  Unusual items are further detailed on the following table:

(dollars in millions) Three Months
ended
March 31, 2006
Three Months
ended
March 31, 2005
Pension settlement $ 0.3   $  
Loss (gain) on sales, net of expenses   0.1     0.5  
Other unusual items   0.3     0.2  
  $ 0.7   $ 0.7  
(4) We are required to make adjustments to EBITDA for franchise taxes and 401(k) matching contributions.

Our covenant levels and ratios for the four quarters ended March 31, 2006 are as follows:


  Covenant
Level at
March 31, 2006
Ratios
Senior credit facility (1)            
Minimum Adjusted EBITDA to cash interest ratio   1.75x     2.82x  
Maximum net debt to Adjusted EBITDA ratio   6.00x     4.74x  
Indentures (2)            
Minimum Adjusted EBITDA to fixed charge ratio required to incur additional debt pursuant to ratio provisions   2.00x     2.47x  
(1) During 2006, our senior credit facility requires us to maintain an Adjusted EBITDA to cash interest ratio at a minimum of 1.75x and a net debt to Adjusted EBITDA ratio at a maximum of 6.00x, in each case for the most recent four quarter period. Failure to satisfy these ratio requirements would constitute a default under the senior credit agreement. If our lenders failed to waive any such default, our repayment obligations under the senior credit agreement could be accelerated, which would also constitute a default under our indentures.
(2) Our ability to incur additional debt and make certain restricted payments under our indentures, subject to specified exceptions, is tied to an Adjusted EBITDA to fixed charge ratio of at least 2.0 to 1, except that we may incur certain debt and make certain restricted payments and certain permitted investments without regard to the ratio, such as up to an aggregate principal amount of $1,950 million (including $1,145.4 million that was outstanding under our term loan facilities as of March 31, 2006) and investments in similar business and other investments equal to 6% of Nalco Holding Company consolidated assets.

Local lines of credit.    Certain of our non-U.S. subsidiaries have lines of credit to support local requirements. As of March 31, 2006, the aggregate outstanding balance under these local lines of credit was approximately $29.1 million. Certain of these lines of credit are equally and ratably secured with obligations under our senior credit facilities.

Receivables facility.    Nalco Company entered into a receivables facility on June 25, 2004 that provides up to $100 million in funding from a commercial paper conduit sponsored by JPMorgan Chase Bank, one of the lenders under Nalco Company’s senior credit facilities, based on availability of eligible receivables and satisfaction of other customary conditions.

Availability of funding under the receivables facility depends primarily upon the outstanding trade accounts receivable balance from time to time. Aggregate availability is determined by using a formula that reduces the gross receivables balance by factors that take into account historical default and dilution rates, excessive concentrations and average days outstanding and the costs of the facility. Based on the terms of this facility and on the criteria described above, as of March 31, 2006, approximately $169.9 million of our accounts receivable balance was considered eligible for financing

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Item 2.  Management’s Discussion and Analysis of Financial Condition and Results of Operations (continued)

under the program, of which approximately $82.9 million would have been available for funding. As of March 31, 2006, we had $78.6 million of outstanding borrowings under this facility.

This facility is treated as a general financing agreement resulting in the funding and related receivables being shown as liabilities and assets, respectively, on our consolidated balance sheet and the costs associated with the receivables facility being recorded as interest expense.

Item 3.  Quantitative and Qualitative Disclosures About Market Risk

There have been no material changes to the Company’s exposures to market risk since December 31, 2005.

Item 4.  Controls and Procedures
(a)  Evaluation of disclosure controls and procedures.

The Company’s chief executive officer and chief financial officer, after evaluating the effectiveness of the Company’s ‘‘disclosure controls and procedures’’ (as defined in the Securities Exchange Act of 1934 Rules 13a-15(e) and 15d-15(e)) as of the end of the period, have concluded that the Company’s disclosure controls and procedures were effective as of March 31, 2006.

(b)  Changes in internal controls over financial reporting.

There were no changes in the Company’s internal controls over financial reporting that occurred during the first quarter of 2006 that have materially affected, or are reasonably likely to materially affect, the Company’s internal controls over financial reporting.

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PART II.    OTHER INFORMATION

Item 1A.    Risk Factors

Changes have occurred to the following risk factors that were included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2005:

Our pension plans are currently underfunded and we may have to make significant cash payments to the plans, reducing the cash available for our business.

We sponsor various pension plans worldwide that are underfunded and require significant cash payments. For example, in 2004 and 2005, we contributed $13.7 million and $30.0 million, respectively, to our pension plans. We are required to contribute at least $58.5 million to the U.S. pension plan in 2006. We may also opt to make additional voluntary contributions to various pension plans worldwide in 2006.

As of December 31, 2005, our worldwide pension plans were underfunded by $434.2 million (based on the actuarial assumptions used for purposes of Statement of Financial Accounting Standards (SFAS) No. 87, Employers’ Accounting for Pensions). Our U.S. pension plans are subject to the Employee Retirement Income Security Act of 1974, or ERISA. Under ERISA, the Pension Benefit Guaranty Corporation, or PBGC, has the authority to terminate an underfunded pension plan under certain circumstances. In the event our U.S. pension plans are terminated for any reason while the plans are underfunded, we will incur a liability to the PBGC that may be equal to the entire amount of the underfunding. Prior to the closing of the Acquisition, the PBGC requested and received information from us regarding our business, the Transactions and our pension plans. The PBGC took no further action with respect to their inquiry.

Congress is currently considering changes to pension legislation that could also impact the amount and timing of our pension funding requirements and our decisions regarding pension funding. Such pending legislation might also address the timing of payouts to pension plan participants, and our employees who are participants in our pension plans could be impacted by such legislation.

Our Sponsors have significant influence on us and may have conflicts of interest with us or you
in the future.

As a result of the sale of shares by our Sponsors during the three months ended March 31, 2006, our Sponsors beneficially own approximately 26.7% of our common stock.

Future sales of our shares could depress the market price of our common stock.

As of March 31, 2006 we had 142,817,403 shares of common stock outstanding. Of those shares, 100,958,200 shares are freely tradable. The 41,859,203 remaining shares may be sold subject to the volume, manner of sale and other conditions of Rule 144. The Sponsors and their affiliates, which collectively beneficially owned 38,158,752 shares as of March 31, 2006, will have the ability to cause us to register the resale of their shares.

In addition, subject to certain conditions, certain members of our management who hold units of Nalco LLC will be able to sell back or ‘‘put’’ to Nalco LLC their class A units, along with those of their class B units, class C units and class D units that have vested, in exchange for our shares of common stock owned by Nalco LLC. In November 2004, we provided a warrant to Nalco LLC that entitles it to acquire up to 6,191,854 shares of our common stock for $0.01 per share, which will allow Nalco LLC to deliver our shares in satisfaction of such ‘‘put’’ rights. In December 2005, 1,074,082 shares were delivered to Nalco LLC pursuant to the warrant. In the first quarter 2006, 79,952 shares were delivered to Nalco LLC pursuant to the warrant. As a result, as of March 31, 2006, an additional 5,037,820 shares of our common stock may still be delivered pursuant to the warrant in the future.

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Item 6.  Exhibits
(a)  The following are included herein:
Exhibit 31.1  Certification of Chief Executive Officer, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Exhibit 31.2  Certification of Chief Financial Officer, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Exhibit 32.1  Certifications Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
Exhibit 99.1  Segment Information — 2005 Results Reclassified to Conform with 2006 Presentation

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SIGNATURE

The Company has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


  NALCO HOLDING COMPANY
  /s/ BRADLEY J. BELL                
Name:   Bradley J. Bell
Title:Executive Vice President and
Chief Financial Officer

Dated: May 10, 2006

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