Explanation of Responses:
|
(
1)
|
Disposed of pursuant to merger agreement between issuer and Berkshire Hathaway Inc. in exchange for either Berkshire Hathaway Inc. shares or cash, as elected.
|
(
2)
|
Restricted stock units payable in common stock. These units were converted into restricted stock units payable in Berkshire Hathaway Inc. Class B common stock in connection with the merger.
|
(
3)
|
This option was converted into an option to purchase 60,041 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $24.39 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on April 29, 2005, April 29, 2006 and April 29, 2007.
|
(
4)
|
This option was converted into an option to purchase 4,097 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $24.39 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on April 29, 2005, April 29, 2006 and April 29, 2007.
|
(
5)
|
This option was converted into an option to purchase 82,119 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $35.17 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on January 1, 2006, January 1, 2007 and January 1, 2008.
|
(
6)
|
This option was converted into an option to purchase 2,725 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $36.68 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on May 2, 2006, May 2, 2007 and May 2, 2008.
|
(
7)
|
This option was converted into an option to purchase 48,666 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $36.68 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on May 2, 2006, May 2, 2007 and May 2, 2008.
|
(
8)
|
This option was converted into an option to purchase 38,380 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $56.80 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
9)
|
This option was converted into an option to purchase 1,759 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $56.80 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
10)
|
This option was converted into an option to purchase 1,670 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $59.75 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on April 27, 2007, April 27, 2008 and April 27, 2009.
|
(
11)
|
This option was converted into an option to purchase 41,267 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $59.75 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option vested in three annual installments on April 27, 2007, April 27, 2008 and April 27, 2009.
|
(
12)
|
This option was converted into an option to purchase 23,900 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $61.52 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
13)
|
This option was converted into an option to purchase 1,624 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $61.52 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
14)
|
This option was converted into an option to purchase 1,623 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $61.52 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
15)
|
This option was converted into an option to purchase 47,232 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $66.16 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option is exercisable in three annual installments. The first two installments became exercisable on April 26, 2008 and April 26, 2009, and the remaining installment will become exercisable on April 26, 2010.
|
(
16)
|
This option was converted into an option to purchase 61,938 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $78.43 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option is exercisable in three annual installments. The first installment became exercisable on May 1, 2009, and the remaining two will become exercisable on May 1, 2010 and May 1, 2011.
|
(
17)
|
This option was converted into an option to purchase 89,539 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $48.42 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc. The option will vest in three annual installments on April 27, 2010, April 27, 2011 and April 27, 2012.
|
(
18)
|
This option was converted into an option to purchase 24,036 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $57.89 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|
(
19)
|
This option was converted into an option to purchase 20,693 shares of Berkshire Hathaway Inc. Class B common stock at an exercise price of $57.89 pursuant to the merger agreement between issuer and Berkshire Hathaway Inc.
|