EXHIBIT 21.1
PRINCIPAL CONSOLIDATED SUBSIDIARIES AS OF DECEMBER 31, 2007
| Name of Legal Entity | Jurisdiction of Incorporation | |
| Aqualon Company | United States | |
| Aqualon France B.V. | The Netherlands | |
| Curtis Bay Insurance Co. Ltd. | Bermuda | |
| East Bay Realty Services, Inc. | United States | |
| Ever Success Overseas Limited | British Virgin Islands | |
| H2H Innovations, L.L.C. | United States | |
| Hercules AB | Sweden | |
| Hercules Argentina S.A. | Argentina | |
| Hercules Asia Pacific (Shanghai) Regional Company Ltd. | China | |
| Hercules Austria GmbH | Austria | |
| Hercules B.V. | The Netherlands | |
| Hercules Beringen B.V.B.A. | Belgium | |
| Hercules Canada Inc. | Canada | |
| Hercules Chemical B.V. | The Netherlands | |
| Hercules Chemicals (Jiangmen) Company Limited | China | |
| Hercules Chemicals (Nanjing) Company Limited | China | |
| Hercules Chemicals (Taiwan) Co. Ltd. | Taiwan | |
| Hercules Chemicals Solutions Pte Ltd. | Singapore | |
| Hercules Chemicals South Africa (Proprietary) Limited | South Africa | |
| Hercules Chile Limitada | Chile | |
| Hercules China Limited | Hong Kong | |
| Hercules Country Club Inc. | United States | |
| Hercules CZ s.r.o. | Czech (Republic) | |
| Hercules Deutschland GmbH | Germany | |
| Hercules do Brasil Productos Quimicos Ltda. | Brazil | |
| Hercules Doel B.V.B.A. | Belgium | |
| Hercules Euro Holdings, L.L.C. | United States | |
| Hercules Europe B.V.B.A | Belgium | |
| Hercules Finland OY | Finland | |
| Hercules GmbH | Germany | |
| Hercules Holding B.V./B.V.B.A. | Belgium | |
| Hercules Holding II Limited | United Kingdom | |
| Hercules Holding Specialty Materials B.V. | The Netherlands | |
| Hercules Hydrocarbon Holdings, Inc. | United States | |
| Hercules Industrial Chemicals Private Limited | India | |
| Hercules International GmbH | Switzerland | |
| Hercules International Ltd. LLC | United States | |
| Hercules International Trade Corporation Limited | Bahamas | |
| Hercules Investment ApS | Denmark | |
| Hercules Investments S.a.r.l. | Luxembourg | |
| Hercules Islands Corporation | U.S. Virgin Islands | |
| Hercules Italia S.p.A. | Italy | |
| Hercules Japan Ltd. | Japan |
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PRINCIPAL CONSOLIDATED SUBSIDIARIES AS OF DECEMBER 31, 2007
| Name of Legal Entity | Jurisdiction of Incorporation | |
| Hercules Korea Chemical Co. Ltd. | Korea | |
| Hercules Limited | United Kingdom | |
| Hercules Mexico, S.A. de C.V. | Mexico | |
| Hercules Norway AS | Norway | |
| Hercules Paper Holdings, Inc. | United States | |
| Hercules Polska Sp. z.o.o. | Poland | |
| Hercules Portuguesa, Lda. | Portugal | |
| Hercules Quimica S.A. | Spain | |
| Hercules Russia L.L.C. | Russia | |
| Hercules SA | France | |
| Hercules Services Mexico, S.A. de C.V. | Mexico | |
Hercules Tianpu Chemicals Company Ltd. (1) | China | |
| P.T. Hercules Chemicals Indonesia | Indonesia | |
| Shanghai Hercules Chemical Co., Ltd. | China | |
| WSP, Inc. | United States |
(1) Hercules owns a 40% interest in Hercules Tianpu Chemicals Company Ltd., which is consolidated for financial reporting purposes.
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