Schedule 13G/A

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934

(Amendment No. 2)*


Rockwood Holdings, Inc.
(Name of Issuer)

Common Stock, par value $0.01 per share
(Title of Class of Securities)

774415103
(CUSIP Number)

December 31, 2008
(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

/__/

Rule 13d-1(b)
/__/

Rule 13d-1(c)
/ x /

Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).



Page 1 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Millennium Fund L.P.

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

3,244,036

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

3,244,036

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

3,244,036

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

4.3%

12.

Type of Reporting Person (See Instructions)

PN



Page 2 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Associates Millennium L.P.

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

3,244,036

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

3,244,036

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

3,244,036

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

4.3%

12.

Type of Reporting Person (See Instructions)

PN



Page 3 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Millennium GP LLC

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

3,244,036

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

3,244,036

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

3,244,036

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

4.3%

12.

Type of Reporting Person (See Instructions)

OO



Page 4 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR 1996 Fund L.P.

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

11,414,975

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

11,414,975

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

11,414,975

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

15.4%

12.

Type of Reporting Person (See Instructions)

PN




Page 5 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Associates 1996 L.P.

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

11,414,975

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

11,414,975

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

11,414,975

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

15.4%

12.

Type of Reporting Person (See Instructions)

PN



Page 6 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR 1996 GP LLC

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

11,414,975

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

11,414,975

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

11,414,975

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

15.4%

12.

Type of Reporting Person (See Instructions)

OO



Page 7 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Partners II, L.P.

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

98,615

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

98,615

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

98,615

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.13%

12.

Type of Reporting Person (See Instructions)

PN



Page 8 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Associates (Strata) L.P.

2.

Check the Appropriate Box if a Member of a Group

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

98,615

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

98,615

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

98,615

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.13%

12.

Type of Reporting Person (See Instructions)

PN



Page 9 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Associates, L.P.

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

98,615

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

98,615

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

98,615

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.13%

12.

Type of Reporting Person (See Instructions)

PN



Page 10 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

Strata L.L.C.

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

98,615

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

98,615

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

98,615

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.13%

12.

Type of Reporting Person (See Instructions)

OO



Page 11 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Partners III, L.P. (Series F)

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

239,348

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

239,348

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

239,348

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.32%

12.

Type of Reporting Person (See Instructions)

PN



Page 12 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR III GP LLC

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

239,348

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

239,348

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

239,348

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.32%

12.

Type of Reporting Person (See Instructions)

OO



Page 13 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR European Fund, Limited Partnership

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Alberta, Canada

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

8,006,339

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

8,006,339

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

8,006,339

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

10.8%

12.

Type of Reporting Person (See Instructions)

PN



Page 14 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

KKR Associates Europe, Limited Partnership

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Alberta, Canada

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

8,006,339

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

8,006,339

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

8,006,339

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

10.8%

12.

Type of Reporting Person (See Instructions)

PN




Page 15 of 26



CUSIP No.  774415103

 




1.

Name of Reporting Person

KKR Europe Limited

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Cayman Islands

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

8,006,339

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

8,006,339

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

8,006,339

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

10.8%

12.

Type of Reporting Person (See Instructions)

OO



Page 16 of 26



CUSIP No.  774415103

 





1.

Name of Reporting Person

Aurora Investments II, LLC

2.

Check the Appropriate Box if a Member of a Group

  

(a)  /__/

(b)  / x /

3.

SEC Use Only

4.

Citizenship or Place of Organization

Delaware

Number of shares beneficially owned by each reporting person with

5.

Sole Voting Power

89,711

6.

Shared Voting Power

-0-

7.

Sole Dispositive Power

89,711

8.

Shared Dispositive Power

-0-

9.

Aggregate Amount Beneficially Owned by Each Reporting Person

89,711

10.

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

/__/

11.

Percent of Class Represented by Amount in Row (9)

0.12%

12.

Type of Reporting Person (See Instructions)

OO



Page 17 of 26



CUSIP No.  774415103

 




Item 1.

 

(a)

Name of Issuer.


Rockwood Holdings, Inc.


(b)

Address of Issuer’s Principal Executive Offices.


100 Overlook Center

Princeton, NJ 08540


Item 2.

(a)

Name of Person Filing.

KKR Millennium Fund L.P.

KKR Associates Millennium L.P.

KKR Millennium GP LLC

KKR 1996 Fund L.P.

KKR Associates 1996 L.P.

KKR 1996 GP LLC

KKR Partners II, L.P.

KKR Associates (Strata) L.P.

Strata L.L.C.

KKR Associates, L.P.

KKR Partners III, L.P. (Series F)

KKR III GP LLC

KKR European Fund, Limited Partnership

KKR Associates Europe, Limited Partnership

KKR Europe Limited

Aurora Investments II, LLC


 (b)

Address of Principal Business Office, or, if None, Residence.


The principal business office for all persons filing is:


c/o Kohlberg Kravis Roberts & Co.

9 West 57th Street, Suite 4200

New York, NY 10019


 (c)

Citizenship.


See Item 4 of each cover page.


 (d)

Title of Class of Securities.


Common stock, $0.01 par value per share.



Page 18 of 26



CUSIP No.  774415103

 



(e)

CUSIP Number.

774415103


Item 3.

If This Statement is Filed Pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the filing person is a:  Not applicable.


(a)

[   ]

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

[   ]

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

[   ]

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d)

[   ]

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e)

[   ]

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

[   ]

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

[   ]

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

[   ]

A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

[   ]

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

[   ]

Group, in accordance with §240.13d-1(b)(1)(ii)(J).


Item 4.

Ownership.


(a)    Amount beneficially owned:


3,244,036 shares of common stock are beneficially owned by KKR Millennium Fund L.P.  958,315 of such 3,244,036 shares of common stock shown as beneficially owned by KKR Millennium Fund L.P. reflect shares of common stock issuable upon exercise of warrants held by KKR Millennium Fund L.P.  As the sole general partner of KKR Millennium Fund L.P., KKR Associates Millennium L.P. may be deemed to be the beneficial owner of such shares held by KKR Millennium Fund L.P. As the sole general partner of KKR Associates Millennium L.P., KKR Millennium GP LLC also may be deemed to be the beneficial owner of such shares held by KKR Millennium Fund L.P.

11,414,975 shares of common stock are beneficially owned by KKR 1996 Fund L.P.  As the sole general partner of KKR 1996 Fund L.P., KKR Associates 1996 L.P. may be deemed to be the beneficial owner of such shares held by KKR 1996 Fund L.P. As the



Page 19 of 26



CUSIP No.  774415103

 



sole general partner of KKR Associates 1996 L.P., KKR 1996 GP LLC also may be deemed to be the beneficial owner of such shares held by KKR 1996 Fund L.P.

98,615 shares of common stock are beneficially owned by KKR Partners II, L.P.  As the general partners of KKR Partners II, L.P., KKR Associates (Strata) L.P. and KKR Associates, L.P. may be deemed to be the beneficial owners of such shares held by KKR Partners II, L.P. As the sole general partner of KKR Associates (Strata) L.P., Strata L.L.C. also may be deemed to be the beneficial owner of such shares held by KKR Partners II, L.P.

239,348 shares of common stock are beneficially owned by KKR Partners III, L.P. (Series F).  As the sole general partner of KKR Partners III, L.P. (Series F), KKR III GP LLC may be deemed to be the beneficial owner of such shares held by KKR Partners III, L.P. (Series F).   

8,006,339 shares of common stock are beneficially owned by KKR European Fund, Limited Partnership.  As the sole general partner of KKR European Fund, Limited Partnership, KKR Associates Europe, Limited Partnership may be deemed to be the beneficial owner of such shares held by KKR European Fund, Limited Partnership. As the sole general partner of KKR Associates Europe, Limited Partnership, KKR Europe Limited also may be deemed to be the beneficial owner of such shares held by KKR European Fund, Limited Partnership.

89,711 shares of common stock are beneficially owned by Aurora Investments II, LLC.

As members of KKR Millennium GP LLC, KKR 1996 GP LLC and KKR III GP LLC, Messrs. Henry R. Kravis, George R. Roberts, Paul E. Raether, Michael W. Michelson, James H. Greene, Perry Golkin, Johannes Huth, Alexander Navab, Todd A. Fisher and William J. Janetschek may also be deemed to be beneficial owners of the securities held by KKR Millennium Fund L.P., KKR 1996 Fund L.P., and KKR Partners III, L.P. (Series F), respectively; as members of Strata L.L.C. and general partners of KKR Associates, L.P., Messrs Kravis, Roberts, Raether, Michelson, Greene and Golkin also may be deemed to be beneficial owners of the securities held by KKR Partners II, L.P.; as members of KKR Millennium GP LLC and KKR III GP LLC, Messrs. Marc S. Lipschultz, Jacques Garaialde, Reinhard Gorenflos, Scott C. Nuttall and Michael M. Calbert may also be deemed to be beneficial owners of the securities held by KKR Millennium Fund L.P. and KKR Partners III, L.P., respectively; as directors of KKR Europe Limited, Messrs. Kravis, Roberts, Raether, Michelson, Greene, Golkin, Huth, Navab, Fisher, Lipschultz and Garaialde also may be deemed to be beneficial owners of the securities held by KKR European Fund, Limited Partnership; and as managing members of Aurora Investments II, LLC, Messrs. Kravis and Roberts may also be deemed to be beneficial owners of securities held by Aurora Investments II, LLC; but each of such individuals disclaims any beneficial ownership of such shares.  Each Reporting Person other than the record holders disclaims beneficial ownership of the securities that may be deemed to be beneficially owned by such Reporting Person, except to the extent of such Reporting Person’s own pecuniary interest therein.



Page 20 of 26



CUSIP No.  774415103

 



An amendment to the Stockholders Agreement, dated as of July 29, 2004 by and among Rockwood Holdings, Inc. (the “Company”), KKR 1996 Fund, L.P., KKR Partners II, L.P., KKR Millennium Fund, L.P., KKR Partners III, L.P., KKR European Fund, Limited Partnership (collectively, the “KKR Entities”) and DLJ Merchant Banking Partners III, L.P., DLJ Offshore Partners III-1, C.V., DLJ Offshore Partners III-2, C.V., DLJ Offshore Partners III, C.V., DLJ MB Partners III GmbH & Co. KG, Millennium Partners II, L.P. and MBP III Plan Investors, L.P. (collectively, the “Other Persons”) and waiver (the “Amendment”) was entered into on January 27, 2006. The Amendment memorializes, among other things, an acknowledgment by the KKR Entities and the Other Persons that they will not act as a “group” with respect to the securities of the Company within the meaning of Rule 13d-5(b)(1) of the Securities Exchange Act of 1934, as amended. The Amendment was filed as an exhibit to the Company’s Current Report on Form 8-K filed on February 2, 2006.


(b)

Percent of class:  See Item 11 of each cover page, which is based upon Item 5 of

each cover page.  See Item 4(a) above.  The percentages of beneficial ownership are based on 74,060,917 shares of common stock outstanding as of December 31, 2008.


(c)

Number of shares as to which the person has:


(i) Sole power to vote or to direct the vote  


See Item 5 of each cover page.


(ii) Shared power to vote or to direct the vote  


See Item 6 of each cover page.


(iii) Sole power to dispose or to direct the disposition of  


See Item 7 of each cover page.


(iv) Shared power to dispose or to direct the disposition of


See Item 8 of each cover page.


Item 5.

Ownership of Five Percent or less of a class:

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following /__/.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

See Item 4 above.



Page 21 of 26



CUSIP No.  774415103

 



Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

Not applicable.

Item 8.

Identification and Classification of Members of the Group.

Not applicable.

Item 9.

Notice of Dissolution of Group.

Not applicable.

Item 10.  

Certifications.

Not applicable.



Page 22 of 26





SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

  

KKR MILLENNIUM FUND L.P.

  

  

  

  

By:

KKR Associates Millennium L.P., its general partner

  

  

  

  

By:

KKR Millennium GP LLC, its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

KKR ASSOCIATES MILLENNIUM L.P.

  

  

  

  

By:

KKR Millennium GP LLC, its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

KKR MILLENNIUM GP LLC

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

KKR 1996 FUND L.P.

  

  

  

  

By:

KKR Associates 1996 L.P., its general partner

  

  

  

  

By:

KKR 1996 GP LLC, its general partner

  

  

  

  

By:

*

 

  

  

Name:

 

  

  

Title:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

  

  

  



Page 23 of 26








  

  

  

  

KKR ASSOCIATES 1996 L.P.

  

  

  

  

By:

KKR 1996 GP LLC, its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

KKR 1996 GP LLC

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:



  

KKR PARTNERS II, L.P.

  

  

  

  

By:

KKR Associates (Strata) L.P., its general partner

  

  

  

  

By:

Strata L.L.C., its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

 

  

  

  

  

KKR ASSOCIATES (STRATA) L.P.

  

  

  

  

By:

Strata L.L.C., its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

STRATA L.L.C.

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 



Page 24 of 26







  

KKR ASSOCIATES, L.P.

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

KKR PARTNERS III, L.P. (Series F)

  

  

  

  

By:

KKR III GP L.L.C., its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

KKR III GP L.L.C.

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

 

 

 

 

  

KKR EUROPEAN FUND, LIMITED PARTNERSHIP

  

  

  

  

By:

KKR Associates Europe, Limited Partnership,

its general partner

  

  

  

  

By:

KKR Europe Limited, its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

  

  

  

  

  

  

  

  

KKR ASSOCIATES EUROPE, LIMITED PARTNERSHIP

  

  

  

  

By:

KKR Europe Limited, its general partner

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

 

 

 

 

 

 

 

 

  

  

  

  



Page 25 of 26







  

KKR EUROPE LIMITED

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

 

 

 

 

 

 

 

 

 

 

  

AURORA INVESTMENTS II, LLC

  

  

  

  

By:

*

  

  

  

Name:

 

  

  

Title:

 

 

 

 

 

 

 

 

*By:

/s/ William J. Janetschek

  

William J. Janetschek, by power of attorney for all Reporting Persons

 

February 17, 2009



Page 26 of 26