10 – Other operating expenses Index6789101112131415 (XLSX:) Download Other operating expenses In EUR mn 2023 2022 Foreign exchange losses from operating activities 182 268 Losses from the disposals of businesses, subsidiaries, tangible and intangible assets 31 685 Losses from fair value changes of financial assets — 432 Net impairment losses on financial assets measured at amortized cost 38 43 Personnel reduction schemes 9 3 Research and development expenses 76 65 Residual other operating expenses 125 142 Other operating expenses 462 1,639 Foreign exchange losses from operating activities were mainly impacted by the development of the USD foreign exchange rate in 2023 and 2022. Losses from the disposals of businesses, subsidiaries, tangible and intangible assets contained in 2022 mostly losses from the deconsolidation of Russian entities in the amount of EUR 658 mn. Losses from fair value changes of financial assets in 2022 contained losses related to asset from reserves redetermination rights with respect to the acquisition of interests in the Yuzhno Russkoye field. Net impairment losses on financial assets measured at amortized cost were mainly related to impairments of receivables in Tunisia amounting to EUR 26 mn (2022: EUR 20 mn). Residual other operating expenses contained expenses relating to various digitalization initiatives amounting to EUR 22 mn (2022: EUR 40 mn) as well as expenses related to minimum stockholding obligation outsourced to Erdöl-Lagergesellschaft m.b.H. in the amount of EUR 46 mn (2022: EUR 45 mn). schließen mn Million schließen mn Million 9 – Exploration expenses11 – Personnel expenses