Explanation of Responses:
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1)
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These stock appreciation rights exercises and sales were executed under the terms of a Sales Plan intended to comply with Rule 10b5-1 under the Securities and Exchange Act of 1934, as amended.
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2)
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Reflects a weighted-average price. Actual sales prices ranged from $631.26 to $632.04 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price
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3)
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Reflects a weighted-average price. Actual sales prices ranged from $633.00 to $633.25 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price
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4)
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Reflects a weighted-average price. Actual sale prices ranged from $634.75 to $635.72 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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5)
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Reflects a weighted-average price. Actual sale prices ranged from $635.80 to $636.61 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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6)
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Reflects a weighted-average price. Actual sales prices ranged from $628.04 to $629.00 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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7)
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Reflects a weighted-average price. Actual sales prices ranged from $629.29 to $630.26 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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8)
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Reflects a weighted-average price. Actual sales prices ranged from $630.31 to $631.29 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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9)
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Reflects a weighted-average price. Actual sales prices ranged from $631.36 to $632.06 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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10)
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Reflects a weighted-average price. Actual sales prices ranged from $632.75 to $633.61 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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11)
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Reflects a weighted-average price. Actual sales prices ranged from $634.00 to $634.74 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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12)
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Reflects a weighted-average price. Actual sales prices ranged from $627.10 to $628.09 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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13)
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Reflects a weighted-average price. Actual sales prices ranged from $628.18 to $629.00 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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14)
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Reflects a weighted-average price. Actual sales prices ranged from $629.23 to $630.02 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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15)
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Reflects a weighted-average price. Actual sales prices ranged from $630.04 to $631.01 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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16)
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Reflects a weighted-average price. Actual sales prices ranged from $631.11 to $632.01 per share. The filing person undertakes to furnish to the issuer, any requesting shareholder of the issuer, or the staff of the Securities and Exchange Commission complete information regarding the number of shares sold at each separate price.
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17)
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37,500 of the 2013 Stock Appreciation Rights are scheduled to vest on February 7, 2015, subject to possible acceleration of vesting.
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18)
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The 2014 Stock Appreciation Rights are scheduled to vest in equal installments on February 3, 2016 and February 3, 2017, subject to possible acceleration of vesting.
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