Anglo American Annual Report 2012

28. RETIREMENT BENEFITS continuedMovement analysisThe changes in the fair value of plan assets are as follows:PensionplansPostemploymentmedicalplans2012 2011PensionplansPostemploymentmedicalplansUS$ millionTotalTotalAt 1 January 2,583 22 2,605 2,732 25 2,757Acquired through business combinations 2,417 – 2,417 – – –Effects of settlements (50) – (50) (31) – (31)Expected return(1)199 1 200(1)197 2 199Actuarial gains/(losses)(1)151 – 151(1)(32) 1 (31)Contributions paid by employer (2) 90 – 90 81 – 81Benefits paid (151) (1) (152) (136) (1) (137)Contributions paid by plan participants 1 – 1 1 – 1Currency movements 87 (1) 86 (229) (5) (234)At 31 December 5,327 21 5,348 2,583 22 2,605(1)The actual return on assets in respect of pension plans was $350 million (2011: $165 million).(2)The Group expects to contribute approximately $162 million to its pension plans and $32 million to its post employment medical plans in 2013.The changes in the present value of defined benefit obligations are as follows:Postemploymentmedicalplans2012 2011PostemploymentmedicalplansUS$ millionPensionplansTotalPensionplansTotalAt 1 January (2,792) (309) (3,101) (2,840) (337) (3,177)Acquired through business combinations (2,974) (302) (3,276) – – –Current service costs (18)(1)(3) (21) (18) (3) (21)Effects of settlements 41 – 41 31 – 31Interest costs (196)(1)(30) (226) (181) (24) (205)Actuarial gains/(losses) 66(1)(36) 30 (135) (22) (157)Benefits paid 151(1)24 175 136 16 152Contributions paid by plan participants (1) – (1) (1) – (1)Transfer to liabilities directly associated with assets held for sale – 39 39 – – –Currency movements (139) 15 (124) 216 61 277At 31 December (5,862) (602) (6,464) (2,792) (309) (3,101)(1)Movements in post employment medical plans exclude movements within the obligations transferred to held for sale.Healthcare sensitivity analysisAmounts recognised in the Consolidated income statement in respect of post employment medical plans are sensitive to assumed healthcare cost trend rates.A 1% change in assumed healthcare cost trend rates would have the following effects:Financial statements1% increase 1% decreaseUS$ million 2012 2011 2012 2011Effect on the sum of service costs and interest costs 8 4 (5) (3)Effect on defined benefit obligations 78 35 (63) (28)29. CALLED-UP SHARE CAPITAL AND SHARE-BASED PAYMENTSCalled-up share capital2012 2011Number of shares US$ million Number of shares US$ millionCalled-up, allotted and fully paid:5% cumulative preference shares of £1 each 50,000 – 50,000 –Ordinary shares of 54 86 /91 US cents each:At 1 January 1,342,967,458 738 1,342,932,714 738Allotted during the year 62,492,295 34 34,744 –At 31 December 1,405,459,753 772 1,342,967,458 738During 2012, 8,354 ordinary shares of 54 86 /91 US cents each were allotted to certain non-executive directors by subscription of their post-tax directors’ fees(2011: 5,487 ordinary shares). In addition, 62,483,941 ordinary shares of 54 86 /91 US cents each were allotted upon the conversion of Anglo American plcconvertible bonds due 2014 (2011: 29,257), see note 24.Excluding shares held in treasury (but including the shares held by the Group in other structures, as outlined in the Tenon and Employee benefit trust sectionsbelow) the number and carrying value of called-up, allotted and fully paid ordinary shares as at 31 December 2012 was 1,390,954,633 and $764 million (2011:1,323,428,547; $727 million).At general meetings, every member who is present in person has one vote on a show of hands and, on a poll, every member who is present in person or byproxy has one vote for every ordinary share held.Anglo American plc Annual Report 2012 177