Matching Shares

Under the STI plans for the management and staff of the Company, 20% of the STI is or can be paid in shares. Subject to a vesting period of three years, an identical number of shares (matching shares) will be issued to participants, assuming a probability of 95%. The Company periodically reviews this estimate and aligns to the actual forfeitures. The grant date fair value is measured indirectly, based on the grant date price of the equity instrument, with an adjustment for the present value of the expected dividends during the vesting period.

The assumptions included in the calculation for the matching shares are: