Explanation of Responses:
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(
1)
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Such options are currently exercisable as regards 9,520 of the covered shares. The remaining options are exercisable, as regards 2,380 of the covered shares, on the fifth anniversary of the date of grant.
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(
2)
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Such options are currently exercisable as regards 1,800 of the covered shares. The remaining options are exercisable, as regards 600 of the covered shares on the fourth anniversary of the date of grant, and as regards 600 of the covered shares, on the fifth anniversary of the date of grant.
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3)
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Such options are currently exercisable as regards 1,600 of the covered shares. The remaining options are exercisable, as regards 1,600 of the covered shares, on the second anniversary of the date of grant, as regards 1,600 of the covered shares, on the third anniversary of the date of grant, as regards 1,600 of the covered shares on the fourth anniversary of the date of grant, and as regards 1,600 of the covered shares, on the fifth anniversary of the date of grant.
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(
4)
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Such options are exercisable as regards 1,200 of the covered shares, on the first anniversary of the date of grant, as regards 1,200 of the covered shares, on the second anniversary of the date of grant, as regards 1,200 of the covered shares, on the third anniversary of the date of grant, as regards 1,200 of the covered shares on the fourth anniversary of the date of grant, and as regards 1,200 of the covered shares, on the fifth anniversary of the date of grant.
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(
5)
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Such options were granted to Mrs. Petty's spouse, Dr. William Petty, Executive Chairman of the Board, of the Issuer.
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6)
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Such options are currently exercisable as regards 60,000 of the covered shares. The remaining options are exercisable, as regards 15,000 of the covered shares, on the fifth anniversary of the date of grant.
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(
7)
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Such options are currently exercisable as regards 45,000 of the covered shares. The remaining options are exercisable, as regards 15,000 of the covered shares on the fourth anniversary of the date of grant, and as regards 15,000 of the covered shares, on the fifth anniversary of the date of grant.
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8)
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Such options are currently exercisable as regards 11,043 of the covered shares. The remaining options are exercisable, as regards 11,043 of the covered shares, on the second anniversary of the date of grant, as regards 11,043 of the covered shares, on the third anniversary of the date of grant, as regards 11,044 of the covered shares on the fourth anniversary of the date of grant, and as regards 11,044 of the covered shares, on the fifth anniversary of the date of grant.
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(
9)
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Such options are exercisable as regards 10,000 of the covered shares, on the first anniversary of the date of grant, as regards 10,000 of the covered shares, on the second anniversary of the date of grant, as regards 10,000 of the covered shares, on the third anniversary of the date of grant, as regards 10,000 of the covered shares on the fourth anniversary of the date of grant, and as regards 10,000 of the covered shares, on the fifth anniversary of the date of grant.
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