Notes to the Consolidated Financial Statements (21.3) Reconciliation of present value of defined benefit obligation in CHF million 22002200 2019 Switzerland Other plans TToottaall Switzerland Other plans TToottaall Opening balance at January 1 ((11,,227766..66)) ((333333..44)) ((11,,661100..00)) ((11,,115533..55)) ((330022..44)) ((11,,445555..99)) Current service cost (35.1) (7.6) (42.7) (29.1) (8.4) (37.5) Interest expense on defined benefit obligation (3.2) (4.8) (8.0) (8.7) (7.0) (15.7) Actuarial gains/(losses) 5.1 (14.1) (9.0) (113.4) (29.3) (142.7) Contributions by plan participants (17.7) – (17.7) (17.1) – (17.1) Benefits paid 43.2 11.0 54.2 36.6 7.9 44.5 Past service cost 8.4 (0.4) 8.0 8.6 1.7 10.3 Currency translation adjustment – 9.8 9.8 – 4.1 4.1 Closing balance at December 31 ((11,,227755..99)) ((333399..55)) ((11,,661155..44)) ((11,,227766..66)) ((333333..44)) ((11,,661100..00)) (21.4) Components of defined benefit costs recognized in the income statement in CHF million 22002200 2019 Switzerland Other plans TToottaall Switzerland Other plans TToottaall Current service cost (35.1) (7.6) (42.7) (29.1) (8.4) (37.5) Past service cost 8.4 (0.4) 8.0 8.6 1.7 10.3 Gains/(losses) on settlements – (0.1) (0.1) – (0.1) (0.1) Total service cost ((2266..77)) ((88..11)) ((3344..88)) ((2200..55)) ((66..88)) ((2277..33)) Interest income on plan assets 2.3 2.3 4.6 6.7 3.3 10.0 Interest expense on defined benefit obligation (3.2) (4.8) (8.0) (8.7) (7.0) (15.7) Net interest income/(expense) on defined benefit plans ((00..99)) ((22..55)) ((33..44)) ((22..00)) ((33..77)) ((55..77)) Total defined benefit costs recognized in the income statement ((2277..66)) ((1100..66)) ((3388..22)) ((2222..55)) ((1100..55)) ((3333..00)) In the income statement, the various components of the defined benefit costs are included as follows: • Total service cost – in ‘personnel expenses’ (see note (29)) and • Interest income and expense – in ‘other income and expenses (net)’ (see note (31)). (21.5) Remeasurements of the net defined benefit (liability)/asset in CHF million 22002200 2019 Switzerland Other plans TToottaall Switzerland Other plans TToottaall Actuarial gains/(losses) arising from changes in demographic assumptions – (0.7) (0.7) – 13.5 13.5 Actuarial gains/(losses) arising from changes in financial assumptions 12.4 (17.3) (4.9) (105.8) (47.5) (153.3) Actuarial gains/(losses) arising from experience adjustments (7.3) 3.9 (3.4) (7.6) 4.7 (2.9) Total actuarial gains/(losses) on defined benefit obligation 55..11 ((1144..11)) ((99..00)) ((111133..44)) ((2299..33)) ((114422..77)) Return on plan assets excluding interest income 19.9 7.7 27.6 53.2 7.8 61.0 Total remeasurements recorded in other comprehensive income 2255..00 ((66..44)) 1188..66 ((6600..22)) ((2211..55)) ((8811..77)) 2020 Financial Report | 55