Goodwill

Goodwill is tested for impairment once a year in accordance with IAS 36. The impairment test is carried out in the final two months of the financial year.

In 1–6/2026, goodwill in the amount of T€ 103,247 (1–6/2025: T€ 155,882) arising from capital consolidation was recognised as an asset. In the first half of 2026, goodwill of T€ 50,000 relating to WTE Wassertechnik GmbH, Essen, was impaired due to losses arising from the remeasurement of projects as part of the first-time consolidation. No goodwill impairment losses were recognised in 1–6/2025.