BRKR · Bruker Corp

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on May 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

Represents shares withheld by the Company to satisfy tax withholding obligations in connection with the vesting of restricted stock units previously granted to the Reporting Person.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

This grant is represented by Restricted Stock Units (RSU) and will vest in one installment on February 15, 2027. On the vesting date, each RSU will automatically convert into a similar number of shares of Common Stock.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests on the first, second, third and fourth anniversaries of the Original Grant Date.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests in equal installments on the first, second, third and fourth anniversaries of the Original Grant Date.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.74 to $50.065, inclusive. The reporting person undertakes to provide to Bruker Corporation, any security holder of Bruker Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests in full on the fourth anniversary of the Original Grant Date.

The stock option granted to the Reporting Person on October 4, 2016 (the "Original Grant Date") vests in equal installments on the first, second, third and fourth anniversaries of the Original Grant Date.

The Stock Option granted to the Reporting Person on January 5, 2016 (the "Original Grant Date") vests in equal installments on the first, second and third anniversaries of the Original Grant Date.