X0202 4 2005-08-16 1 0001315695 Rockwood Holdings, Inc. ROC 0001192062 RAETHER PAUL E C/O KOHLBERG KRAVIS ROBERTS & CO., L.P. 9 WEST 57TH STREET - 41ST FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock, par value $0.01 per share 2005-08-16 4 P 0 29711 20.00 A 29711 I See footnotes Common Stock, par value $0.01 per share 2005-08-17 4 P 0 60000 19.9872 A 89711 I See footnotes Common Stock, par value $0.01 per share 4445896 I See footnotes Common Stock, par value $0.01 per share 19138916 I See footnotes Common Stock, par value $0.01 per share 164282 I See footnotes Common Stock, par value $0.01 per share 398727 I See footnotes Common Stock, par value $0.01 per share 13337689 I See footnotes The securities are held of record by Aurora Investments II, LLC. As both a member of Aurora Investments II, LLC and a general partner of a limited partnership which is a member of Aurora Investments II, LLC, the Reporting Person may be deemed to be the beneficial owner of such securities held by Aurora Investments II, LLC. These securities are held of record 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 securities 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 securities held by KKR Millennium Fund L.P. As a member of KKR Millennium Fund GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Millennium Fund L.P. These securities are held of record 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 securities held by KKR 1996 Fund L.P. As the sole general partner of KKR Associates 1996 L.P., KKR 1996 GP LLC also may be deemed to be the beneficial owner of such securities held by KKR 1996 Fund L.P. As a member of KKR 1996 GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR 1996 Fund L.P. These securities are held of record by KKR Partners II, L.P. As a general partner of KKR Partners II, L.P., KKR Associates (Strata) L.P. may be deemed to be the beneficial owner of such securities 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 securities held by KKR Partners II, L.P. As a member of Strata L.L.C., the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Partners II, L.P. These securities are held of record by KKR Partners III, L.P. (Series F). As the sole general partner of KKR Partners III, L.P., KKR III GP LLC may be deemed to be the beneficial owner of such securities held by KKR Partners III, L.P. (Series F). As a member of KKR III GP LLC, the Reporting Person may also be deemed to be the beneficial owner of such securities held by KKR Partners III, L.P. (Series F). The securities are held of record 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 securities 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 securities held by KKR European Fund, Limited Partnership. As a director of KKR Europe Limited, the Reporting Person also may be deemed to be the beneficial owner of such securities held by KKR European Fund, Limited Partnership. The filing of this statement shall not be deemed an admission that, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any equity securities covered by this statement. The Reporting Person disclaims beneficial ownership of the securities that may be deemed to be beneficially owned by him, except to the extent of his own pecuniary interest therein. /s/ Richard J. Kreider, attorney-in-fact 2005-08-18