186 NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS OF AEGON N.V.  NOTE 25 The fair value of AEGON’s own financial instruments included  in plan assets and the fair value of other assets used by AEGON  included in planned assets was nil in both 2010 and 2009.  Defi ned benefi t expenses: 2010 2009 Retirement benefi t plans  Other post-  employment  benefi t plans  Total Retirement  benefi t plans  Other post-  employment  benefi t plans  Total  Current year service costs 93 6 99 79 6 85 Interest cost 259 13 272 231 14 245  Expected return on plan assets (162) – (162)  (133) –  (133) Actuarial (gains) / losses recognized 51 – 51 59 – 59 (Gains) / losses on curtailment (29) – (29) – – – Past service cost 1 2 3 1   (2)  (1) Other (3) – (3) – – – TOTAL DEFINED BENEFIT  EXPENSES 210 21 231 237 18 255 2008 Defi ned benefi t expenses: Retirement  benefi t plans  Other post-  employment  benefi t plans  Total  Current year service costs 89 6 95 Interest cost 229 14 243 Expected return on plan assets  (193) –   (193) Actuarial (gains) / losses recognized 2 – 2 Past service cost  (2) 2  – TOTAL DEFINED BENEFIT EXPENSES 125 22 147 Defined benefit expenses are included in ‘Commissions and  expenses’ in the income statement.  2010 2009 Retirement  benefi t plans Other post-  employment  benefi t plans  Total  Retirement  benefi t plans  Other post-  employment  benefi t plans  Total  Actual return on plan assets and  reimbursement rights 337 – 337 374 – 374