EXHIBIT 99.3.1
Supplemental Description of Transactions in the Shares that were Effected during the Past 60 Days (other than those previously reported on the Original 13D)
Nature of Transaction | Purchaser | Date of Transaction | Amount of Securities | Price Per Share/Premium Per Option |
Open Market Purchase of Common Stock | Corvex Master Fund LP | April 24, 2012 | 100,000 | $26.35 |
Purchase of Call Options | Corvex Master Fund LP | April 24, 2012 | 450,000(1) | $9.83(2) |
Sale of Put Options | Corvex Master Fund LP | April 24, 2012 | 450,000(3) | $0.01(4) |
(1) Represents shares underlying American-style call options purchased in the over the counter market. These call options expire on April 30, 2013.
(2) This amount represents the cost of an applicable American-style call option to purchase one Share. The per share exercise price of these call options is $18.00.
(3) Represents shares underlying European-style put options sold in the over the counter market. These put options expire on the earlier of April 30, 2013 or the date on which the corresponding American-style call option described above in footnote 1 is exercised.
(4) This amount represents the proceeds received from an applicable European-style put option to sell one Share. The per share exercise price of these put options is $18.00.