EXHIBIT 21.1 Subsidiaries of UCAR International Inc. JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION INTERNATIONAL INC. - ------------------ --------------- ------------------ 1. UCAR Global Delaware 100% Enterprises Inc. JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION GLOBAL ENTERPRISES INC. - ------------------ --------------- ----------------------- 2. UCAR Carbon Company Inc. Delaware 100% 3. UCAR Holdings II Inc. Delaware 100% 4. UCAR Carbon S.A. Brazil 95.30% 5. UCAR S.A. Switzerland 99.9%(a) JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION CARBON COMPANY INC. - ------------------ --------------- ------------------- 6. UCAR Holdings Inc. Delaware 100% 7. UCAR Limited United Kingdom 100%(b) 8. EMSA (Pty.) Ltd. South Africa 100%(c) 9. Carbographite Limited South Africa 100%(c) 10. UCAR International Trading Inc. Delaware 100% 11. UCAR Carbon Technology Corporation Delaware 100% 12. UCAR Carbon Foreign Sales Corporation Virgin Islands 100% 13. UCAR Composites California 100% Inc. 14. Union Carbide Grafito, Inc. New York 100% 15. Unicarbon Brazil 100% Comercial Ltda. 16. UCAR Carbon (Malaysia) Sdn. Bhd. Malaysia 100% JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION HOLDINGS II - ------------------ --------------- ------------------ 17. UCAR Holdings III Inc. Delaware 100% 18. UCAR Holdings S.A. France 100%(d) 19. UCAR Electrodos, S.L. Spain 100%(e) 20. UCAR Inc. Canada 100% 21. UCAR Elektroden GmbII Germany 70% JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION HOLDINGS GmbH - ------------------ --------------- ------------------ 22. UCAR Grafit OAO Russia 96.27% JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION HOLDINGS INC. - ------------------ --------------- ------------------ 23. UCAR Mexicana, S.A. Mexico 100%(f) de C.V. 24. UCAR S.p.A. Italy 100%(g) JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION HOLDINGS S.A. - ------------------ --------------- ------------------ 25. UCAR S.N.C. France 100%(h) 26. Carbone Savoie France 70% JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION MEXICANA, S.A. de C.V. - ------------------ --------------- ---------------------- 27. UCAR Carbon Mexicana, S.A. de C.V. Mexico 100%(i) JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION MEXICANA, S.A. de C.V. - ------------------ --------------- ---------------------- 28. Servicios Administratoes Carmex, S.A. de C.V. Mexico 99.9% 29. Servicios DYC, S.A. de C.V. Mexico 99.9% JURISDICTION OF NAME OF SUBSIDIARY INCORPORATION OWNERSHIP BY UCAR S.p.A. - ------------------ --------------- ------------------------ 30. UCAR Energia S.r.l. Italy 100% 31. UCAR Specialties S.r.l. Italy 100% JURISDICTION OF OWNERSHIP BY UCAR NAME OF SUBSIDIARY INCORPORATION CARBON S.A. - ------------------ --------------- ----------------- 32. UCAR Produtos de Carbono S.A. Brazil 99.9% 2 JURISDICTION OF OWNERSHIP BY UNICARBON NAME OF SUBSIDIARY INCORPORATION COMERCIAL LTDA. - ------------------ --------------- ---------------------- 33. UCAR Carbon S.A. Brazil 2.33% JURISDICTION OF NAME OF SUBSIDIARY INCORPORATION OWNERSHIP BY UCAR S.A. - ------------------ --------------- ---------------------- 34. UCAR Holding GmbH Austria 100% (a) 99.9% owned by UCAR Global Enterprises Inc. Nominees own three shares of UCAR S.A. (b) 99.9% owned by UCAR Carbon Company Inc. A nominee owns one share of UCAR Limited. (c) On April 21, 1997, UCAR Carbon Company Inc. (the "Company") purchased the 50% interest in EMSA (Pty.) Ltd. ("EMSA") and Carbographite Limited ("Carbographite") that it did not already own from Samancor Limited, a South African company. Commencing April 22, 1997, EMSA's and Carbographite's assets, liabilities and results of operations are included in the Consolidated Financial Statements. (d) 99.4% owned by UCAR Holdings II Inc. UCAR International Inc., UCAR Global Enterprises Inc., UCAR Carbon Company Inc. and three nominees each own one share of UCAR Holdings S.A. (e) 99.9% owned by UCAR Holdings II Inc. UCAR Carbon Company Inc. owns 0.1% of UCAR Electrodos S.L. (f) 99.9% owned by UCAR Holdings Inc. UCAR Carbon Company Inc. owns one share of UCAR Mexicana, S.A. de C.V. (g) 99.9% owned by UCAR Holdings Inc. and UCAR Carbon Company Inc. owns 0.1% of UCAR S.p.A. (h) 99.9% owned by UCAR Holdings S.A. UCAR Holdings III Inc. owns one share of UCAR S.N.C. (i) 99.9% owned by UCAR Mexicana, S.A. de C.V. UCAR Carbon Company Inc. owns 0.1% of UCAR Carbon Mexicana, S.A. de C.V. 3