PENSION BENEFITS
The Group sponsors a number of defined contribution and defined benefit plans covering employees of certain subsidiaries. The assets of all the Group’s defined contribution plans are held in independently-administered funds. Contributions are generally determined as a percentage of salary and are expensed based on employee services rendered, generally in the year of contribution.
All defined benefit plans are valued using the
projected unit-credit method to determine the present value of the defined benefit obligation and the related service costs. Under this method, the determination is based on actuarial calculations which include assumptions about demographics, early retirement, salary increases and interest and inflation rates. The recognition of actuarial gains and losses is applied by using the 10% “corridor” approach. Therefore, a portion is recognized in the income statement if the net cumulative unrecognized actuarial gains and losses at the end of the previous reporting period exceeded the greater of a) 10% of the present value of the defined benefit obligation at that date (before deducting plan assets) and b) 10% of the
fair value of any plan assets at that date. The Group’s defined benefit plans are usually funded.
OTHER POST-RETIREMENT BENEFITS
In addition, the Group’s affiliates maintain unfunded contributory defined benefit postretirement health care plans for a number of retired employees who are mainly located in the United States. These plans pay stated percentages of eligible medical and dental expenses of retirees after a stated deductible has been met. The Group funds these plans on a cash basis as benefits are due. Analogous to defined benefit pension plans these plans are valued using the projected unit credit method. The recognition of actuarial gains and losses is applied by using the 10% “corridor” approach.
SHARE-BASED COMPENSATION
Compensation expense for awards classified as equity instruments is measured at the grant date based on the fair value of the share-based award. For share awards, the fair value is the quoted market price of the share reduced by the present value of the expected dividends that will not be received by the employee and adjusted for the effect, if any, of restrictions beyond the vesting date. In case an award is modified such that its
fair value immediately after modification exceeds its fair value immediately prior to modification, a remeasurement takes place and the resulting increase in fair value is recognized as additional compensation expense.
The Group records the offsetting amount to the recognized compensation expense in additional paid-in capital (APIC). Compensation expense is recorded on a straight-line basis over the period in which employees perform services to which the awards relate or over the period of the tranches for those awards delivered in tranches. Estimates of expected forfeitures are periodically adjusted in the event of actual forfeitures or for changes in expectations. The timing of expense recognition relating to grants which, due to early retirement provisions, include a nominal but nonsubstantive service period are accelerated by shortening the amortization period of the expense from the grant date to the date when the employee meets the eligibility criteria for the award, and not the vesting date. For awards that are delivered in tranches, each tranche is considered a separate award and amortized separately.
Compensation expense for share-based awards payable in cash is remeasured to fair value at each balance sheet date, and the related obligations are included in other liabilities until paid.

