Explanation of Responses:
|
(1)
|
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.
|
(2)
|
Such options are currently exercisable as regards 22,086 of the covered shares. The remaining options are exercisable, 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.
|
(3)
|
Such options are currently exercisable as regards 20,000 of the covered shares. The remaining options are exercisable, 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.
|
(4)
|
Such options were awarded pursuant to the Issuer's 2009 Executive Incentive Compensation Plan.
|
(5)
|
Such options are exercisable as regards 8,400 of the covered shares, on the first anniversary of the date of grant, as regards 8,400 of the covered shares, on the second anniversary of the date of grant, as regards 8,400 of the covered shares, on the third anniversary of the date of grant, as regards 8,400 of the covered shares on the fourth anniversary of the date of grant, and as regards 8,400 of the covered shares, on the fifth anniversary of the date of grant.
|
(6)
|
Such options were granted to Dr. Petty's spouse, Betty A. Petty, Vice President, Administration and Facilities, of the Issuer.
|
(7)
|
Such options are currently exercisable as regards 2,400 of the covered shares. The remaining options are exercisable, as regards 600 of the covered shares, on the fifth anniversary of the date of grant.
|
(8)
|
Such options are currently exercisable as regards 3,200 of the covered shares. The remaining options are exercisable, 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.
|
(9)
|
Such options are currently exercisable as regards 2,400 of the covered shares. The remaining options are exercisable, 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.
|
(10)
|
Such options are exercisable as regards 1,000 of the covered shares, on the first anniversary of the date of grant, as regards 1,000 of the covered shares, on the second anniversary of the date of grant, as regards 1,000 of the covered shares, on the third anniversary of the date of grant, as regards 1,000 of the covered shares on the fourth anniversary of the date of grant, and as regards 1,000 of the covered shares, on the fifth anniversary of the date of grant.
|