1. Argentina Mexichem Argentina S.A. 100 2. Australia Wavin Australia PTY Ltd. 50 3. Austria RCS GmbH Co KG 87.50 4. Austria RCS Raum Clima Systeme GmbH 87.50 5. Austria Wavin Indoor Climate Control GmbH 100 6. Belgium Wavin Belgium, N.V. 100 7. Brasil Mexichem Brasil Indústria de Transformação Plástica Ltda. 100 8. Brasil Mexichem Trading Comercio, Importacao e Exportacao S/A 100 9. Canada Mexichem Fluor Canada Inc. 100 10. China Foshan Wavin Piping System Company Limited 100 11. Colombia Celta, S.A.S 100 12. Colombia CI Mexichem Compuestos Colombia S.A.S. 100 13. Colombia Colpozos, S.A.S. 100 14. Colombia Fundación Pavco 100 15. Colombia Mexichem Colombia, S.A.S. 100 16. Colombia Mexichem Derivados Andinos, S.A.S 100 17. Colombia Mexichem Derivados Colombia, S.A. 100 18. Colombia Mexichem Resinas Colombia, S.A.S. 100 19. Colombia Mexichem Servicios Colombia, S.A.S. 100 20. Colombia Pavco de Occidente, S.A.S. 100 21. Costa Rica Mexichem Costa Rica, S.A. 100 22. Croatia Wavin Croatia d.o.o. 100 23. Czech Republic Dura-Line C.T. s.r.o. 100 24. Czech Republic Wavin Ekoplastik s.r.o. 100 25. Czech Republic Wavin Osma s.r.o. 65 26. Denmark Nordisk Wavin A/S 100 27. Ecuador Mexichem Ecuador, S.A. 95 28. Ecuador Tubosistemas, S.A. 100 29. El Salvador Mexichem El Salvador, S.A. de C.V. 100 30. Estonia Wavin Estonia OÜ 100
31. Finland Wavin Labko Oy 100 32. France Wavin France S.A.S. 100 33. France Vestolit France S.A.R.L. 100 34. Germany ELWA Wassertehnik GmbH 100 35. Germany Europlast Rohrwerk GmbH 100 36. Germany Replast Westeregeln GmbH 100 37. Germany Wavin Beteiligunger GmbH 100 38. Germany Wavin GmbH 100 39. Germany Vesto PVC Holding GmbH 100 40. Germany Vestolit GmbH 100 41. Germany Vestolit Vermögensverwaltungsgesellschaft mbh 100 42. Germany Salzgewinnungsgesellshaft Westfalen mbh & Co. KG 25 43. Germany Salzgewinnung Westfal Verwaltungs GmbH 25 44. Guatemala Mexichem Guatemala, S.A. 100 45. Honduras Mexichem Honduras, S.A. de C.V. 100 46. Hungary Wavin Hungary Kft 100 47. India Dura-Line India Private Limited 100 48. India Wavin India Ltd. 8 49. Ireland Wavin Ireland Ltd. 100 50. Italia Wavin Italia, S.p.A. 100 51. Japan Mexichem Fluor Japan Limited 100 52. Latvia Wavin Latvia S/A 100 53. Lithuania UAB Wavin Baltic 100 54. México Administradora de Terminales Marítimas, S.A. de C.V. 57.93 55. México Dura-Line México, S.A. de C.V. 100 56. México Fluorita de México, S.A. de C.V. 100 57. México Holding Minera Alfil, S.A. de C.V. 100 58. México Mexichem Amanco Holding, S.A. de C.V. 100 59. México Mexichem Cogeneración, S.A. de C.V. 51 60. México Mexichem Cogeneración Altamira 1, S.A. de C.V. 100
61. México Mexichem Cogeneración Cactus, S.A. de C.V. 79.96 62. México Mexichem Cogeneración Uno, S.A. de C.V. 51 63. México Mexichem Compuestos, S.A. de C.V. 100 64. México Mexichem Cunalva, S.A. de C.V. 100 65. México Mexichem Derivados, S.A. de C.V. 100 66. México Mexichem Energía, S.A. de C.V. 100 67. México Mexichem Flúor Comercial, S.A. de C.V. 100 68. México Mexichem Flúor, S.A. de C.V. 100 69. México Mexichem Resinas Berchem, S.A. de C.V. 100 70. México Mexichem Resinas Bradley, S.A. de C.V. 100 71. México Mexichem Resinas Vinílicas, S.A. de C.V. 100 72. México Mexichem Resinas Weslayan, S.A. de C.V. 100 73. México Mexichem Servicios Administrativos, S.A. de C.V. 100 74. México Mexichem Servicios Compuestos, S.A. de C.V. 100 75. México Mexichem Servicios Derivados, S.A. de C.V. 100 76. México Mexichem Servicios Flúor, S.A. de C.V. 100 77. México Mexichem Servicios Resinas, S.A. de C.V. 100 78. México Mexichem Servicios Transformados, S.A. de C.V. 100 79. México Mexichem Soluciones Integrales Holding, S.A. de C.V. 100 80. México Mexichem Soluciones Integrales, S.A. de C.V. 100 81. México Petroquímica Mexicana de Vinilo, S.A. de C.V. 55.91 82. México PMV Servicios Administrativos, S.A. de C.V. 100 83. México PMV Minera, S.A. de C.V. 100 84. México Quimir, S.A. de C.V. 100 85. México Rancho Coahuila, S.A. de C.V. 100 86. Mexico Terminal Petroquímica de Altamira, S.A. de C.V. 57.93 87. México Unión Minera del Sur, S.A. de C.V. 100 88. Netherlands De Hoeve Kunststofrecycling B.V. 50 89. Netherlands Florest B.V. 100
90. Netherlands Wavin Alpha III B.V. 100 91. Netherlands Wavin Alpha IV B.V. 100 92. Netherlands Wavin Alpha VI B.V. 100 93. Netherlands Wavin Alpha VII B.V. 100 94. Netherlands Wavin Alpha XV B.V. 100 95. Netherlands Wavin Alpha XVI B.V. 100 96. Netherlands Wavin Alpha XVII B.V. 100 97. Netherlands Wavin Assurantie B.V. 100 98. Netherlands Wavin B.V. 100 99. Netherlands Wavin Balkan Holding B.V. 100 100 Netherland Wavin Beta I B.V. 100 101 Netherlands Wavin Deelnemingen I B.V. 100 102 Netherlands Wavin Dellnemingen II B.V. 100 103 Netherlands Wavin Diensten B.V. 100 104 Netherlands Wavin Finance B.V. 100 105 Netherlands Wavin Gulf Holding B.V. 100 106 Netherlands Wavin N.V. 100 107 Netherlands Wavin Nederland B.V. 100 108 Netherlands Wavin Nederland Beheer B.V. 100 109 Netherlands Wavin Outsourcing B.V. 100 110 Netherlands Wavin Overseas B.V. 100 111 Netherlands Wavin Russia Holding B.V. 100 112 Netherlands Wavin Staf B.V. 100 113 Netherlands Wavin Technology & Innovation 100 114 Netherlands Wavin Trading Company B.V. 100 115 Netherlands Wavin Turkey Holding B.V. 100 116 Netherlands Wavin Ukrain Holding B.V. 100 117 Norway Norsk Wavin AS 100 118 Oman Dura-Line Middle East L.L.C. 60 119 Panamá Altos de la Rotonda, S.A. 50
120 Panamá Amanco Tubosistemas Centro América, S.A. 99.43 121 Panamá Mexichem Panamá, S.A. 100 122 Panamá Riegos de Chiriquí, S.A. 45 123 Perú Mexichem Perú, S.A. 100 124 Perú Tuberías y Geosistemas del Perú, S.A. 98.44 125 Poland Arot Polska Sp. z.o.o. 100 126 Poland Wavin Metalplast-Buk Sp. z.o.o. (Wavin Polska, S.A.) 99.22 127 Rumania Wavin Romania SRL 100 128 Russia OOO Wavin Rus 100 129 Serbia Wavin Balkan d.o.o. 100 130 Singapore Wavin Singapore Holding Pte Ltd. 100 131 Slovakia Wavin Slovakia s.r.o. 100 132 South Africa Nextube (Propietary) Limited 100 133 South Africa Landela Tubes (Proprietary) Limited 74 134 Spain Aquatecnic Sistemas, S.A. 65 135 Spain Mexichem Ibérica, S.L. 100 136 Sweden AB Svenska Wavin 100 137 Swizertland Georg Fischer Wavin AG 39.994 138 Taiwan Mexichem Fluor Taiwan Limited 100 139 Togo ITP S.A. (Industrie Togolaise des Plastiques S.A.) 15.00 140 Turkey Wavin TR Pilsa Plastik Sanayi A.S. 100 141 Ukraine Wavin Ukrain T.O.V. 100 142 United Arab Emirates Wavin Gulf FZE 100 143 United Kingdom Mexichem Specialty Compounds Limited 100 144 United Kingdom Hepworth Building Products (Holdings) Limited 100 145 United Kingdom Hepworth Building Products Ltd. 100 146 United Kingdom Mexichem UK Limited 100 147 United Kingdom Mexichem Klea Refrigerants Limited 100 148 United Kingdom Mexichem Medical HFA Trading Limited 100 149 United Kingdom Fenix Fluor Limited 64
150 United Kingdom ThermoBoard Limited 100 151 United Kingdom Warmafloor (GB) Limited 100 152 United Kingdom Wavin Hepworth Ltd. 100 153 United Kingdom Wavin Ltd. 100 154 United Kingdom Wavin UK (Holdings) Limited 100 155 United Kingdom Mexichem Wavin UK Ltd 100 156 United Kingdom Mexichem Dura-Line UK Ltd 100 157 United States of Dura-Line Holdings, Inc. 100 158 United States of Dura-Line Intermediate Holdings, LLC 100 159 United States of Dura-Line Corporation 100 160 United States of PolyPipe Holdings, LLC 100 161 United States of Boreflex, LLC 100 162 United States of PolyPipe, LLC 100 163 United States of Dura-Line International, Inc. 100 164 United States of Mexichem Specialty Compounds, Inc. 100 165 United States of Ingleside Ethylene LLC 50 166 United States of Mexichem, Inc. 100 167 United States of Mexichem Ethylene Holding Corporation 100
168 United States of Mexichem Fluor Inc. 100 169 United States of Mexichem Specialty Resins, Inc. 100 170 Venezuela Pavco de Venezuela, S.A. 100