9 – Other operating expenses Index5678910111213 (XLSX:) Download Other operating expenses In EUR mn 2020 2019 Foreign exchange losses from operating activities 135 67 Losses on disposals of businesses, subsidiaries, tangible and intangible assets 8 14 Losses from fair value changes of financial assets (0) 5 Net impairment losses on financial assets measured at amortized cost 12 33 Personnel reduction schemes 39 26 Research and development expenses 61 49 Residual other operating expenses 134 128 Other operating expenses 389 322 Foreign exchange losses from operating activities in 2020 and 2019 were mainly impacted by USD development. Net impairment losses on financial assets measured at amortized cost were mainly related to impairments for receivables in Tunisia amounting to EUR 9 mn (2019: EUR 18 mn). The 2019 impairments were triggered by a reassessment of future production. The increase in Research and development expenses was largely owing to Borealis group. For further details on the acquisition of additional shares in Borealis AG see Note 3 – Changes in group structure. Residual other operating expenses contained expenses relating to various digitalization initiatives amounting to EUR 36 mn (2019: EUR 44 mn) as well as storage expenses related to Erdöl-Lagergesellschaft m.b.H. in amount of EUR 56 mn (2019: EUR 53 mn). schließen USD US dollar schließen EUR Euro 8 – Exploration expenses10 – Personnel expenses 102-45 gri-id41:102-45