IDXX

SEC source: 0001140361-18-023104 · doc1.xml · derivative · entry 2

Vandebroek Sophie V. · CIK 0001442078 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier.

SEC source: 0001140361-18-023104 · doc1.xml · derivative · entry 1

Vandebroek Sophie V. · CIK 0001442078 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,944

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-023101 · doc1.xml · derivative · entry 2

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier.

SEC source: 0001140361-18-023101 · doc1.xml · derivative · entry 1

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,366

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-023102 · doc1.xml · derivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on May 9, 2019.

SEC source: 0001140361-18-023102 · doc1.xml · derivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 720

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-023100 · doc1.xml · derivative · entry 2

HENDERSON REBECCA M · CIK 0001254748 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier.

SEC source: 0001140361-18-023100 · doc1.xml · derivative · entry 1

HENDERSON REBECCA M · CIK 0001254748 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,318

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-023099 · doc1.xml · derivative · entry 2

ESSIG STUART · CIK 0001187574 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier.

SEC source: 0001140361-18-023099 · doc1.xml · derivative · entry 1

ESSIG STUART · CIK 0001187574 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 464

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-023098 · doc1.xml · derivative · entry 2

Claflin Bruce L. · CIK 0001403694 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,187

Underlying: Common Stock · 2,187 shares

Expires 2028-05-08

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier.

SEC source: 0001140361-18-023098 · doc1.xml · derivative · entry 1

Claflin Bruce L. · CIK 0001403694 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,531

Underlying: Common Stock · 224 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F3 · price: Not applicable.

F1 · derivative.exercise_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

F1 · derivative.expiration_date: Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2019 annual meeting of shareholders, whichever event is earlier, and are payable as common stock one year following the Director's resignation from the Board of Directors.

SEC source: 0001140361-18-021322 · doc1.xml · nonDerivative · entry 1

Vandebroek Sophie V. · CIK 0001442078 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,096

F1 · shares: Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($18,750.00) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock one year following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

SEC source: 0001140361-18-021320 · doc1.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,654

F1 · shares: Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($18,750.00) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock one year following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

SEC source: 0001140361-18-021319 · doc1.xml · nonDerivative · entry 1

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,659

F1 · shares: Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($5,937.50) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock one year following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

SEC source: 0001140361-18-021318 · doc1.xml · nonDerivative · entry 1

ESSIG STUART · CIK 0001187574 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 310

F1 · shares: Represents deferred stock units acquired pursuant to the IDEXX Laboratories, Inc. Director Deferred Compensation Plan (the "Plan") in accordance with Rule 16b-3. The number of deferred stock units, rounded up or down to the nearest whole unit, is determined by dividing the amount of cash compensation deferred pursuant to the Plan ($18,750.00) by the closing price of IDEXX Laboratories, Inc. common stock on the date of the deferral, or if no such price is reported for that date, the closing price for the next preceding date for which such price was reported. Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. The deferred stock units vest immediately upon grant and are payable only as common stock one year following the Director's resignation from the Board of Directors or on such other nondiscretionary and objectively determinable date(s) selected in accordance with the terms of the Plan.

SEC source: 0001140361-18-011687 · doc1.xml · derivative · entry 3

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,974 shares

Expires 2024-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that became exercisable as to 2,987 shares on May 7, 2015, without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (the "Stock Split"). The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

SEC source: 0001140361-18-011687 · doc1.xml · nonDerivative · entry 2

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,628

F1 · price: Represents the weighted average sales price of the shares sold ranging from a low of $190.00 to a high of $190.16 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0001140361-18-011687 · doc1.xml · nonDerivative · entry 1

JUNIUS DANIEL M · CIK 0001094159 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,602

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-009900 · doc1.xml · nonDerivative · entry 1

END WILLIAM T · CIK 0001184157 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,256

F1 · price: Represents the weighted average sales price of the shares sold ranging from a low of $184.32 to a high of $184.505 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0001140361-18-009190 · doc1.xml · derivative · entry 3

AYERS JONATHAN W · CIK 0001184149 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,180 shares

Expires 2023-02-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Not applicable.

F1 · derivative.exercise_date: Grant of option to buy 1,090 shares of IDEXX Laboratories, Inc. common stock that became exercisable on February 14, 2018, without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (the "Stock Split"). The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

SEC source: 0001140361-18-009190 · doc1.xml · nonDerivative · entry 1

AYERS JONATHAN W · CIK 0001184149 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,063,398

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 14

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,811

Underlying: Common Stock · 212 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F11 · price: Not applicable.

F10 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F10 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 13

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,023

Underlying: Common Stock · 406 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F11 · price: Not applicable.

F9 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F9 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 12

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,429

Underlying: Common Stock · 346 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

F11 · price: Not applicable.

F8 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

F8 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 11

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,775

Underlying: Common Stock · 282 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the Stock Split.

F11 · price: Not applicable.

F7 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the Stock Split.

F7 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the Stock Split.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 10

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,057

Underlying: Common Stock · 326 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vested in five equal annual installments, beginning February 14, 2014. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

F11 · price: Not applicable.

F6 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vested in five equal annual installments, beginning February 14, 2014. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

F6 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vested in five equal annual installments, beginning February 14, 2014. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 9

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,383

Underlying: Common Stock · 841 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

F11 · price: Not applicable.

F5 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

F5 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 8

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560

Underlying: Common Stock · 560 shares

Expires 2028-02-13

F11 · price: Not applicable.

F4 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that becomes exercisable on the fifth anniversary of the date of grant.

SEC source: 0001140361-18-008875 · doc1.xml · derivative · entry 7

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,007

Underlying: Common Stock · 8,007 shares

Expires 2028-02-13

F11 · price: Not applicable.

F3 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that becomes exercisable in five annual installments beginning February 14, 2019.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 6

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,738

F2 · price: Closing price of Issuer's common stock on the NASDAQ market on February 14, 2018.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 5

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,213

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 4

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,001

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 3

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,595

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 2

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,249

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008875 · doc1.xml · nonDerivative · entry 1

TWIGGE GIOVANI · CIK 0001500399 · CORPORATE VICE PRESIDENT

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,967

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes 33 shares of shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on December 29, 2017.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 10

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,851

Underlying: Common Stock · 212 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F9 · price: Not applicable.

F8 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F8 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 9

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,063

Underlying: Common Stock · 406 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F9 · price: Not applicable.

F7 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F7 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 8

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,469

Underlying: Common Stock · 346 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015.

F9 · price: Not applicable.

F6 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015.

F6 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 7

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,815

Underlying: Common Stock · 841 shares

Expires not disclosed

F5 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

F9 · price: Not applicable.

F5 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

F5 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2019.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 6

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560

Underlying: Common Stock · 560 shares

Expires 2028-02-13

F9 · price: Not applicable.

F4 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that becomes exercisable on the fifth anniversary of the date of grant.

SEC source: 0001140361-18-008872 · doc1.xml · derivative · entry 5

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,007

Underlying: Common Stock · 8,007 shares

Expires 2028-02-13

F9 · price: Not applicable.

F3 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that becomes exercisable in five annual installments beginning February 14, 2019.

SEC source: 0001140361-18-008872 · doc1.xml · nonDerivative · entry 4

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,077

F2 · price: Closing price of Issuer's common stock on the NASDAQ market on February 14, 2018.

SEC source: 0001140361-18-008872 · doc1.xml · nonDerivative · entry 3

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,375

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008872 · doc1.xml · nonDerivative · entry 2

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,163

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001140361-18-008872 · doc1.xml · nonDerivative · entry 1

Studer Jacqueline · CIK 0001526223 · CVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,757

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes a total of 72 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on September 29, 2017 and December 29, 2017.

SEC source: 0001140361-18-008871 · doc1.xml · derivative · entry 12

MCKEON BRIAN P · CIK 0001219445 · Executive VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,594

Underlying: Common Stock · 459 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F9 · price: Not applicable.

F8 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F8 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

SEC source: 0001140361-18-008871 · doc1.xml · derivative · entry 11

MCKEON BRIAN P · CIK 0001219445 · Executive VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,053

Underlying: Common Stock · 811 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F9 · price: Not applicable.

F7 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F7 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

SEC source: 0001140361-18-008871 · doc1.xml · derivative · entry 10

MCKEON BRIAN P · CIK 0001219445 · Executive VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,864

Underlying: Common Stock · 629 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

F9 · price: Not applicable.

F6 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

F6 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

SEC source: 0001140361-18-008871 · doc1.xml · derivative · entry 9

MCKEON BRIAN P · CIK 0001219445 · Executive VP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,493

Underlying: Common Stock · 726 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

F9 · price: Not applicable.

F5 · derivative.exercise_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

F5 · derivative.expiration_date: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").