History
2007
SGL GROUP – THE CARBON COMPANY
Independent and listed company with operations in Europe, North America and Asia and 3 global Business Units. Delisting from NYSE, USA
1996
SGL CARBON AG – 100% free float
Listing NYSE/USA, full independence
1995
SGL CARBON AG
IPO Frankfurt/Main, Hoechst remains shareholder
1993
SIGRI Great Lakes Carbon GmbH
59% Hoechst, 30% Horsehead Industries, 11% Pechiney
Merger with Great Lakes Carbon (USA), 1992
and Pechiney Grafite (France), 1993
1989
SIGRI GmbH – 100% Hoechst
Merger with Ringsdorff, Bonn
1985
SIGRI GmbH – 50% Siemens, 50% Hoechst
Merger of Siemens Plania and Hoechst AG, Griesheim
1928
Siemens Plania Werke
Merger of Gesco and Plania sites in Poland
1878
Gebr. Siemens & Co (Gesco)
Start of carbon production
