Explanation of Responses:
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(1)
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The exercise of options and sale of the underlying shares as reported on this Form 4 were executed pursuant to a sale plan adopted by the reporting person on August 2, 2019, pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934.
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(2)
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Reflects weighted average sale price (prices actually received ranged from $208.28 to $209.23). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(3)
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Reflects weighted average sale price (prices actually received ranged from $209.28 to $210.27). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(4)
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Reflects weighted average sale price (prices actually received ranged from $210.35 to $211.13). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(5)
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Reflects weighted average sale price (prices actually received ranged from $211.35 to $212.33). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(6)
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Reflects weighted average sale price (prices actually received ranged from $212.36 to $213.27). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(7)
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Reflects weighted average sale price (prices actually received ranged from $213.44 to $214.18). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(8)
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Reflects weighted average sale price (prices actually received ranged from $214.50 to $214.98). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(9)
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Reflects weighted average sale price (prices actually received ranged from $197.81 to $198.72). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(10)
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Reflects weighted average sale price (prices actually received ranged from $199.03 to $200.00). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(11)
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Reflects weighted average sale price (prices actually received ranged from $200.36 to $201.34). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(12)
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Reflects weighted average sale price (prices actually received ranged from $201.39 to $202.28). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(13)
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Reflects weighted average sale price (prices actually received ranged from $202.42 to $203.37). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(14)
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Reflects weighted average sale price (prices actually received ranged from $203.47 to $204.42). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(15)
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Reflects weighted average sale price (prices actually received ranged from $204.47 to $205.45). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(16)
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Reflects weighted average sale price (prices actually received ranged from $205.52 to $206.32). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(17)
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Reflects weighted average sale price (prices actually received ranged from $206.64 to $207.59). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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(18)
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Reflects weighted average sale price (prices actually received ranged from $207.77 to $208.30). The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.
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