Common use of Share Exchange Clause in Contracts

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 697 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 449 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 442 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 713 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 545 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 507 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.

Share Exchange. At the Effective Time, subject to Sections 2.4 and 2.5 hereof, each Unit (other than Cash Election Units and Units owned by the parent of Sub) shall be converted into that number of PSI Shares equal to, rounded to the nearest thousandth, the quotient (the "Conversion Number") derived by dividing $596 546 by the average of the per share closing prices on the New York Stock Exchange, Inc. (the "NYSE") of PSI Shares during the 20 consecutive trading days ending on the fifth trading day prior to the Effective Time. If, prior to the Effective Time, PSI should split or combine the PSI Shares, or pay a stock dividend, the Conversion Number will be appropriately adjusted to reflect such action.