Common use of Calculation of Performance Clause in Contracts

Calculation of Performance. For the Performance Factor: TSR will be calculated for each member of the Peer Group. The Company’s TSR percentile rank in the Peer Group will be utilized to determine the percentage, if any, of the Shares earned under the Performance Share award. The table below shows the percentage of Shares to be issued with respect to each Performance Share (before any Dividend Adjustment or tax withholding) at various performance levels: < 25% 0 % 25% 25 % Threshold 35% 50 % 45% 75 % 50% 100 % Target 55% 125 % 65% 150 % 75% 175 % 90% & Up 200 % Maximum The percentile rank will be reduced to the next lowest level if the final percentile rank does not equal one of the levels listed in the above schedule. For example, if the Company’s Percentile Rank is 48%, 0.75% of one Share will be issued with respect to each Performance Share.

Calculation of Performance. For the Performance Factor: TSR will be calculated for each member of the Peer Group. The Company’s TSR percentile rank in the Peer Group will be utilized to determine the percentage, if any, of the Shares earned under the Performance Share award. The table below shows the percentage of Shares to be issued with respect to each Performance Share (before any Dividend Adjustment or tax withholding) at various performance levels: Average Percentile Rank vs. Peer Group % of Shares Earned Performance Level < 25% 0 % 25% 25 % Threshold 30% 30 % 35% 50 40 % 40% 55 % 45% 75 % 50% 100 % Target 55% 125 108 % 60% 117 % 65% 150 125 % 70% 133 % 75% 175 142 % 9080% & Up 200 150 % Maximum The percentile rank will be reduced to the next lowest level if the final percentile rank does not equal one of the levels listed in the above schedule. For example, if the Company’s Percentile Rank is 48%, 0.7575% of one Share will be issued with respect to each Performance Share.

Calculation of Performance. For the Performance Factor: TSR will be calculated for each member of the Peer Group. The Company’s TSR percentile rank in the Peer Group will be utilized to determine the percentage, if any, of the Shares earned under the Performance Share award. The table below shows the percentage of Shares to be issued with respect to each Performance Share (before any Dividend Adjustment or tax withholding) at various performance levels: Average Percentile Rank vs. Peer Group % of Shares Earned Performance Level < 25% 0 0% 25% 25 25% Threshold 30% 30% 35% 50 40% 40% 55% 45% 75 75% 50% 100 100% Target 55% 125 113% 60% 115% 65% 150 120% 70% 128% 75% 175 138% 9080% & Up 200 150% Maximum The percentile rank will be reduced to the next lowest level if the final percentile rank does not equal one of the levels listed in the above schedule. For example, if the Company’s Percentile Rank is 48%, 0.75% of one Share will be issued with respect to each Performance Share.