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ArcelorMittal Annual Report 2008

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The fair value of each option grant to purchase <strong>ArcelorMittal</strong> common shares is estimated on the date of grant using<br />

the Black-Scholes option pricing model with the following weighted average assumptions (based on year of grant):<br />

Year of grant - 2007 Year of grant - <strong>2008</strong><br />

Exercise price per share $64.30 – 74.535 $82.57 – 22.245 – 23.745<br />

Dividend yield 2.03% 1.82% – 6.74% – 6.32%<br />

Expected annualized volatility 142% 111% – 131% – 139%<br />

Discount rate – bond equivalent yield 4.91% 4.02% – 3.76% – 2.52%<br />

Weighted average share price $64.30 – 74.535 $82.57 – 22.245 – 23.745<br />

Expected life in years 6 6<br />

Fair value of options (per share) $52 $62 – 13 – 15<br />

The expected life of the options is estimated by observing general option holder behavior and actual historical lives of <strong>ArcelorMittal</strong><br />

stock option plans. In addition, the expected annualized volatility has been set by reference to the implied volatility of options<br />

available on <strong>ArcelorMittal</strong> shares in the open market, as well as, historical patterns of volatility.<br />

The compensation expense recognized for stock option plans was 108 and 362 for each of the years ended December 31, 2007<br />

and <strong>2008</strong>, respectively.<br />

Option activity with respect to <strong>ArcelorMittal</strong>Shares is summarized below as of and for each of the years ended December 31, 2007<br />

and <strong>2008</strong>:<br />

Range of Weighted average<br />

exercise prices Exercise price<br />

Number of options (per options) (per option)<br />

Outstanding, December 31, 2006 8,450,968 2.26 – 33.76 28.27<br />

Granted 5,978,200 64.30 – 74.535 64.32<br />

Exercised (2,129,255) 2.26 – 33.76 25.94<br />

Cancelled (222,566) 28.75 – 33.76 32.20<br />

Forfeitures (36,378) 11.94 – 33.76 30.61<br />

Effect of legal merger 1,538,469 12.46 – 44.35 43.28<br />

Outstanding, December 31, 2007 13,579,438 2.26 – 74.535 46.15<br />

Granted 7,324,535 22.245 – 82.57 82.01<br />

Exercised (954,844) 2.26 – 64.30 31.88<br />

Cancelled (347,034) 2.26 – 82.57 51.28<br />

Forfeitures (43,629) 28.75 – 64.30 43.35<br />

Outstanding, December 31, <strong>2008</strong> 19,558,466 2.26 – 82.57 60.01<br />

Exercisable, December 31, <strong>2008</strong> 6,011,214 2.26 – 82.57 39.75<br />

Exercisable, December 31, 2007 2,595,164 2.26 – 64.30 24.49<br />

121<br />

<strong>2008</strong> Consolidated Financial Statements continued<br />

<strong>ArcelorMittal</strong> <strong>Annual</strong> <strong>Report</strong> <strong>2008</strong>

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