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: Average Percentile Rank vs. Peer Group % of Shares Earned Performance Level < 25% 0% 25% 25% Threshold 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102% 52% 103% 53% 105% 54% 107% 55% 108% 56% 110% 57% 112% 58% 113% 10 59% 115% 60% 117% 61% 118% 62% 120% 63% 122% 64% 123% 65% 125% 66% 127% 67% 128% 68% 130% 69% 132% 70% 133% 71% 135% 72% 137% 73% 138% 74% 140% 75% 142% 76% 143% 77% 145% 78% 147% 79% 148% 80% and above 150% Maximum

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 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 11 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102% 52% 103% 53% 105% 54% 107% 55% 108% 56% 110% 57% 112% 58% 113% 10 59% 115% 60% 117% 61% 118% 62% 120% 63% 122% 64% 123% 65% 125% 66% 127% 67% 128% 68% 130% 69% 132% 70% 133% 71% 135% 72% 137% 73% 138% 74% 140% 75% 142% 76% 143% 77% 145% 78% 147% 79% 148% 80% and above 150% Maximum

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 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102% 52% 103% 53% 105% 54% 107% 55% 108% 9 56% 110% 57% 112% 58% 113% 10 59% 115% 60% 117% 61% 118% 62% 120% 63% 122% 64% 123% 65% 125% 66% 127% 67% 128% 68% 130% 69% 132% 70% 133% 71% 135% 72% 137% 73% 138% 74% 140% 75% 142% 76% 143% 77% 145% 78% 147% 79% 148% 80% and above 150% Maximum

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 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102102.8% 52% 103105.6% 53% 105108.3% 54% 107111.1% 55% 108113.9% 56% 110116.7% 57% 112118.9% 58% 113121.1% 10 7 59% 115123.3% 60% 117125.6% 61% 118127.8% 62% 120130.0% 63% 122131.7% 64% 123133.3% 65% 125135.0% 66% 127136.7% 67% 128138.3% 68% 130140.0% 69% 132141.1% 70% 133142.2% 71% 135143.3% 72% 137144.4% 73% 138145.6% 74% 140146.7% 75% 142147.2% 76% 143147.8% 77% 145148.3% 78% 147148.9% 79% 148149.4% 80% and above 150150.0% Maximum

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 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 11 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102% 52% 103% 53% 105% 54% 107% 55% 108% 56% 110% 57% 112% 58% 113% 10 59% 115% 60% 117% 61% 118% 62% 120% 63% 122% 64% 123% 65% 125% 66% 127% 67% 128% 68% 130% 69% 132% 70% 133% 71% 135% 72% 137% 73% 138% 74% 140% 75% 142% 76% 143% 77% 145% 78% 147% 79% 148% 80% and above 150% Maximum

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 determined by interpolating the Company’s percentile ranking between the peers immediately above and below the Company, based on differences in TSR, 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 AveragePercentile Rank vs. Peer Group % of Shares Earned Performance Level < 25% 0% 25% 25% Threshold 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102102.8% 52% 103105.6% 53% 105108.3% 54% 107111.1% 8 55% 108113.9% 56% 110116.7% 57% 112118.9% 58% 113121.1% 10 59% 115123.3% 60% 117125.6% 61% 118127.8% 62% 120130.0% 63% 122131.7% 64% 123133.3% 65% 125135.0% 66% 127136.7% 67% 128138.3% 68% 130140.0% 69% 132141.1% 70% 133142.2% 71% 135143.3% 72% 137144.4% 73% 138145.6% 74% 140146.7% 75% 142147.2% 76% 143147.8% 77% 145148.3% 78% 147148.9% 79% 148149.4% 80% and above 150150.0% Maximum

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 determined by interpolating the Company’s percentile ranking between the peers immediately above and below the Company, based on differences in TSR, 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 26% 26% 27% 27% 28% 28% 29% 29% 30% 30% 31% 32% 32% 34% 33% 36% 34% 38% 35% 40% 36% 43% 37% 46% 38% 49% 39% 52% 40% 55% 41% 59% 42% 63% 43% 67% 44% 71% 45% 75% 46% 80% 47% 85% 48% 90% 49% 95% 50% 100% Target 51% 102102.8% 52% 103105.6% 53% 105108.3% 54% 107111.1% 55% 108113.9% 56% 110116.7% 57% 112118.9% 58% 113121.1% 10 7 59% 115123.3% 60% 117125.6% 61% 118127.8% 62% 120130.0% 63% 122131.7% 64% 123133.3% 65% 125135.0% 66% 127136.7% 67% 128138.3% 68% 130140.0% 69% 132141.1% 70% 133142.2% 71% 135143.3% 72% 137144.4% 73% 138145.6% 74% 140146.7% 75% 142147.2% 76% 143147.8% 77% 145148.3% 78% 147148.9% 79% 148149.4% 80% and above 150150.0% Maximum