1. AQUA SILK

Serial Number: 77561691
Owner: (REGISTRANT) ARCH CHEMICALS, INC. CORPORATION VIRGINIA 501 MERRITT 7 P.O. BOX 5204 NORWALK CONNECTICUT 068565204
Filed on: 09/03/2008

2. CLEAN 'N' SCRUB

Serial Number: 78074861
Owner: (REGISTRANT) Arch Chemicals, Inc. CORPORATION VIRGINIA 501 Merritt 7 P.O. Box 5204 Norwalk CONNECTICUT 068565204
Filed on: 07/20/2001

3. POLY-T

Serial Number: 78126811
Owner: (REGISTRANT) Arch Chemicals, Inc. CORPORATION VIRGINIA 501 Merritt 7 P.O. Box 5204 Norwalk CONNECTICUT 068565204

(LAST LISTED OWNER) MONUMENT CHEMICAL KENTUCKY, LLC LIMITED LIABILITY COMPANY DELAWARE 6325 DIGITAL WAY SUITE 460 INDIANAPOLIS INDIANA 46278

Filed on: 05/07/2002

4. RESTORE S.M.A.R.T. SELECTIVE MANAGEMENT AQUATIC RESTORATION TOOL

Serial Number: 85137211
Owner: (REGISTRANT) Arch Chemicals, Inc. CORPORATION VIRGINIA 501 Merritt 7 P.O. Box 5204 Norwalk CONNECTICUT 068565204
Filed on: 09/24/2010

5. ULTIMA PLATINUM PLUS

Serial Number: 77375665
Owner: (REGISTRANT) ARCH CHEMICALS, INC. CORPORATION VIRGINIA 501 MERRITT 7 P.O. BOX 5204 NORWALK CONNECTICUT 068565204
Filed on: 01/18/2008

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