| AIR Control Tower | Independent Research GmbH |
| AllianceBernstein Ltd. | J.P. Morgan Securities plc |
| Alpha Value | Dr. Kalliwoda Research GmbH |
| Bankhaus Lampe KG | Landesbank Baden-Wurttemberg |
| Bank of America Global Research | Metzler Equity Research |
| Barclays Capital | Morgan Stanley |
| Citi Investment Research (Europe) | Norddeutsche Landesbank Girozentrale |
| Davy Stockbrokers | Oddo Securities |
| Deutsche Bank AG London | Redburn (Europe) Limited |
| DZ Bank AG | RBC Capital Markets |
| Exane BNP Paribas (UK) | Societe Generale |
| Goldman Sachs International | Stifel |
| HSBC Bank Plc | UBS |
