| ESN, 11.11.11: "Strong 3Q11 reporting and positive outlook re-affirmed" (PDF) |
| Bankhaus Lampe Research, 11/11/2011: "Buy" (PDF) |
| ESN, 15.08.11: "Solid 1H11 confirms our positive view" (PDF) |
| Bankhaus Lampe Research, 09/08/2011: "Buy" (PDF) |
| GBC AG Investment Research 10.05.11: "Buy" (PDF) |
| ESN, 16.05.11: Strong start into the year (PDF) |
| ESN, 27.04.11: Strong first quarter bookings improve confidence (PDF) |
| ESN, 28.03.11: EBIT meets our expectation perfectly (PDF) |