X0306 4 2018-05-01 0000780571 ITRON INC /WA/ ITRI 0001275552 MEZEY PHILIP 2111 N MOLTER ROAD LIBERTY LAKE WA 99019 1 1 President and CEO Common Stock 2018-05-01 4 M 0 16694 35.05 A 93341 D Common Stock 2018-05-01 4 S 0 709 65.00 D 92632 D Common Stock 2018-05-01 4 S 0 100 65.025 D 92532 D Common Stock 2018-05-01 4 S 0 1686 65.05 D 90846 D Common Stock 2018-05-01 4 S 0 1400 65.075 D 89446 D Common Stock 2018-05-01 4 S 0 4018 65.10 D 85428 D Common Stock 2018-05-01 4 S 0 1700 65.125 D 83728 D Common Stock 2018-05-01 4 S 0 1495 65.15 D 82233 D Common Stock 2018-05-01 4 S 0 330 65.175 D 81903 D Common Stock 2018-05-01 4 S 0 2005 65.20 D 79898 D Common Stock 2018-05-01 4 S 0 300 65.225 D 79598 D Common Stock 2018-05-01 4 S 0 725 65.25 D 78873 D Common Stock 2018-05-01 4 S 0 500 65.325 D 78373 D Common Stock 2018-05-01 4 S 0 331 65.35 D 78042 D Common Stock 2018-05-01 4 S 0 800 65.375 D 77242 D Common Stock 2018-05-01 4 S 0 295 65.40 D 76947 D Common Stock 2018-05-01 4 S 0 300 65.425 D 76647 D Common Stock 53354 I Held in trust with reporting person and spouse as co-trustees Stock Option (Right to Buy) 35.05 2018-05-01 4 M 0 16694 0 D 2024-02-21 Common Stock 16694 42263 D Represents the number of stock options exercised under a Rule 10b5-1 Trading Plan entered into previously. Represents number of shares sold under a Rule 10b5-1 Trading Plan entered into previously. This award was granted on February 21, 2014 with one-third of the option becoming exercisable on each of February 21, 2015, February 21, 2016, and February 21, 2017. /s/ Kramer B. Ortman, attorney-in-fact for Mr. Mezey 2018-05-03