Page 1

IDEXX Q1 2021 Earnings Highlights Revenue $ 778M Reported growth : Organic growth : CAG Diagnostics Recurring Organic Growth : CAG Revenue Reported growth : Organic growth : Net CAG Revenue CAG Diagnostics Recurring IDEXX VetLab® Consumables $ 693M + 26 % + 22 % Rapid Assay Products Reference Laboratory Dx and Consulting Services CAG Diagnostics Services and Accessories + 24 % + 21 % CAG Diagnostics Capital - Instruments Veterinary Software , Services and Diagnostic Imaging Systems + 23 % Catalyst Installed Base ( in thousands ) Q1 Revenue $ 617M $ 246M $ 70M $ 276M $ 26M $ 31M $ 44M IDEXX Premium Instruments + 13 % year over year 31.1 32.8 35.1 37.0 38.5 39.8 41.5 43.9 45.1 46.0 47.6 49.6 51.0 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2018 2019 2020 2021 Operating Profit $ 248M 31.8 % of Revenue YoY change in basis points : Reported Comparable Revenue Reported growth : Organic growth : Reported Growth year over year + 27 % + 30 % + 21 % + 25 % + 20 % + 31 % Water + 10 % +880 bps +830 bps $ 34M 0 % -3 % Organic Growth year over year + 23 % + 26 % + 20 % + 22 % + 16 % + 27 % + 9 % ( NASDAQ : IDXX ) Installed Base Premium Hematology Installed Base ( in thousands ) 26.7 27.4 28.0 28.9 29.5 29.8 30.5 31.5 32.0 32.4 33.6 TOTAL Diluted Earnings Per Share $ 2.35 + 10 % year over year 34.6 35.1 Reported growth : Q1 Premium strum Placements Comparable growth : Revenue Reported growth : Organic growth : New and competitive Premium Hematology SediVue® Dx LPD Catalyst 1,731 WW 1,107 956 Ⓒ2021 IDEXX Laboratories , Inc. All rights reserved . Contact : John Ravis , Investor Relations ( 207 ) 556-8155 . 577 3,264 + 82 % + 73 % $ 39M + 15 % + 9 % North America 665 1,066 SediVue Installed Base ( in thousands ) 302 382 324 1,371 Intl 805 574 253 1,893 + 21 % year over year 4.6 5.2 5.9 6.6 7.1 7.6 8.2 8.9 9.3 9.6 10.0 10.711.3 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2018 2019 2020 2021 2018 2019 2020 2021 For full financial data , non - GAAP reconciliations and cautionary language regarding forward - looking statements , please refer to IDEXX's 2021 first quarter earnings release issued on May 4 , 2021 available at https://www.idexx.com/investors . Amounts presented may not recalculate due to rounding . IDEXX