| 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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| 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                 |

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