The PSI Group increased its sales by 8.9% to 269.9 million euros in the 2023 financial year (Dec. 31, 2022: 247.9 million euros). At 5.6 million euros, the operating result, which was burdened by one-off effects, was significantly below the previous year's figure (Dec. 31, 2022: 20.2 million euros) and within the target corridor, which was reduced…