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Download PDF - Kumba Iron Ore

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MANAGEMENT SHARE OPTION SCHEME continued<br />

Before<br />

After unbundling<br />

unbundling <strong>Kumba</strong> Exxaro<br />

Fair value assumptions<br />

Share price (Rand) 142.00 110.00 39.00<br />

Weighted average exercise price (Rand) 58.78 39.49 19.29<br />

Annualised expected volatility (%) 37.90 37.90 37.90<br />

Expected share option life (years) 4.34 4.34 4.34<br />

Expected dividend yield (%) 4.00 4.00 4.00<br />

Risk-free interest rate 8.24 8.24 8.24<br />

The risk-free interest rate for the period within the contractual term of the share options is based on South African government bonds.<br />

The historical volatility of the <strong>Kumba</strong> Resources share price is used in determining the expected volatility.<br />

ENVISION<br />

Number<br />

of share<br />

options<br />

Phase 2 Phase 1<br />

Weighted<br />

average<br />

option price<br />

Rand<br />

Number<br />

of share<br />

options<br />

Weighted<br />

average<br />

option price<br />

Rand<br />

Movement in the number of share options granted<br />

Balance at beginning of year – 170.11 15,622,571 22.84<br />

Share options issued 22,618,800 170.11 98,127 22.84<br />

Share options vested – 170.11 (15,614,606) 22.84<br />

Share options lapsed – 170.11 (106,092) 22.84<br />

Balance at 31 December 2011 22,618,800 170.11 – 22.84<br />

Balance at beginning of year – – 15,353,793 22.84<br />

Share options issued – – 655,811 22.84<br />

Share options lapsed – – (387,033) 22.84<br />

Balance at 31 December 2010 – – 15,622,571 22.84<br />

Number of<br />

share options<br />

Expiry<br />

date<br />

Vesting period of share options granted<br />

Within 5 years 22,618,800 2016<br />

Envision is considered equity-settled. The share-based payment expense is measured using the fair value of the awards issued under the scheme<br />

which was determined using the Monte Carlo option pricing model.<br />

Phase 2 Phase 1<br />

Share price on date of grant (Rand) 170.29 39.48<br />

Weighted average exercise price (Rand) 170.11 22.84<br />

Annualised expected volatility (%) 45.00 45.00<br />

Expected share option life (years) 5.00 5.00<br />

Expected dividend yield (%) 5.25 5.25<br />

Risk-free interest rate (%) 7.06 8.00<br />

The risk-free interest rate for the period within the contractual term of the share options is based on South African government bonds.<br />

The historical volatility of the <strong>Kumba</strong> and <strong>Kumba</strong> Resources share price is used in determining the expected volatility.<br />

Annexures<br />

Annual Financial Statements 2011<br />

81

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