Explanation of Responses:
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1)
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Disposed of pursuant to the Agreement and Plan of Merger between Issuer, Project Alpha Holding, LLC and Project Alpha Merger Corp. (the "Merger Agreement"), whereby, immediately prior to the effective time of the merger contemplated therein (the "Effective Time"), all issued and outstanding shares of Issuer common stock were converted into the right to receive $30.50 per share in cash and, when so converted, automatically cancelled.
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2)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on March 7, 2012 (the "2012 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 2012 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 2012 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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3)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on November 7, 2012 (the "11/2012 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 11/2012 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 11/2011 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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4)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on June 7, 2013 (the "2013 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 2013 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 2013 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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5)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on December 7, 2013 (the "12/2013 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 12/2013 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 12/2013 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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6)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on June 7, 2014 (the "2014 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 2014 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 2014 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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7)
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This option, which provided for vesting with respect to one-quarter (1/4) of the shares of stock which were subject to this option on June 6, 2015 (the "2015 Initial Vesting Date"), provided Reporting Person remained continuously employed by the Issuer through the 2015 Initial Vesting Date; and exercisable with respect to three-quarters (3/4) of the shares of stock which were subject to this option in equal increments quarterly over three (3) years beginning on the date three (3) months from the 2015 Initial Vesting Date, provided that the Reporting Person remained continuously employed by the Issuer through the last day of each quarterly period, was cancelled pursuant to the Merger Agreement and, as soon as possible following the Effective Time, the Reporting Person was entitled to receive a cash payment equal to the product of (1) the difference between the exercise price and $30.50 and (2) the number of unexercised options.
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Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
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9)
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The RSU, which provided for vesting in 4 equal annual installments beginning on March 7, 2017, was cancelled pursuant to the Merger Agreement and the Reporting Person became entitled to receive an initial cash payment equal to the product of $30.50 and the sum of the number of vested but unsettled shares of common stock and 1/3 of the unvested shares of common stock subject to this RSU. The Reporting Person shall be entitled to receive a payment for the remaining 2/3 of the unvested shares of common stock subject to this RSU in equal portions promptly following the 12 and 18 month anniversaries of the Effective Time or upon the earlier date as the RSU was scheduled to vest according to the original vesting conditions, provided the Reporting Person remains continuously employed by the Issuer through such date and provided further that if the Reporting Person is terminated without cause, the vesting conditions will be deemed satisfied on the Reporting Person's last day of employment.
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10)
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Not applicable.
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11)
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The RSU, which provided for vesting in 4 equal annual installments beginning on June 5, 2016, was cancelled pursuant to the Merger Agreement and the Reporting Person became entitled to receive an initial cash payment equal to the product of $30.50 and the sum of the number of vested but unsettled shares of common stock and 1/3 of the unvested shares of common stock subject to this RSU. The Reporting Person shall be entitled to receive a payment for the remaining 2/3 of the unvested shares of common stock subject to this RSU in equal portions promptly following the 12 and 18 month anniversaries of the Effective Time or upon the earlier date as the RSU was scheduled to vest according to the original vesting conditions, provided the Reporting Person remains continuously employed by the Issuer through such date and provided further that if the Reporting Person is terminated without cause, the vesting conditions will be deemed satisfied on the Reporting Person's last day of employment.
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12)
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The RSU, which provided for vesting in 4 equal annual installments beginning on June 6, 2015, was cancelled pursuant to the Merger Agreement and the Reporting Person became entitled to receive an initial cash payment equal to the product of $30.50 and the sum of the number of vested but unsettled shares of common stock and 1/3 of the unvested shares of common stock subject to this RSU. The Reporting Person shall be entitled to receive a payment for the remaining 2/3 of the unvested shares of common stock subject to this RSU in equal portions promptly following the 12 and 18 month anniversaries of the Effective Time or upon the earlier date as the RSU was scheduled to vest according to the original vesting conditions, provided the Reporting Person remains continuously employed by the Issuer through such date and provided further that if the Reporting Person is terminated without cause, the vesting conditions will be deemed satisfied on the Reporting Person's last day of employment.
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13)
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The RSU, which provided for vesting in 4 equal annual installments beginning on June 7, 2014, was cancelled pursuant to the Merger Agreement and the Reporting Person became entitled to receive an initial cash payment equal to the product of $30.50 and the sum of the number of vested but unsettled shares of common stock and 1/3 of the unvested shares of common stock subject to this RSU. The Reporting Person shall be entitled to receive a payment for the remaining 2/3 of the unvested shares of common stock subject to this RSU in equal portions promptly following the 12 and 18 month anniversaries of the Effective Time or upon the earlier date as the RSU was scheduled to vest according to the original vesting conditions, provided the Reporting Person remains continuously employed by the Issuer through such date and provided further that if the Reporting Person is terminated without cause, the vesting conditions will be deemed satisfied on the Reporting Person's last day of employment.
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