| 1929 |
Refinery construction |
| 1952-81 |
Shell, extension into chemicals (solvents, additives, elastomers, steam cracker, PVC, PS, PE, PP, Kraton, etc.) |
| 1995 |
Montell formation |
| 1997 |
Elenac formation |
| 1999 |
New Spheripol PP plant started up |
| 2000 |
Basell formation |
| 2001 |
New Lupotech T LDPE plant started up |
| 2005 |
Access Industries acquires Basell |
| 2006 |
Basell acquires 100% of steam cracker, butadiene extraction and associated logistic assets |
| 2007 |
Merger of Basell and Lyondell |
| 2008 |
Lyondellbasell acquires Berre Refinery and associated activities from Shell |
| 2010 |
Lyondellbasell registered on New York Stock Exchange |