X0306 4 2018-06-14 0 0000740664 R F INDUSTRIES LTD RFIL 0001278604 HILL HOWARD F 7610 MIRAMAR RD SUITE 6000 SAN DIEGO CA 92126-4202 1 0 0 0 Common Stock 2018-06-14 4 M 0 4000 5.88 A 228221 D Common Stock 2018-06-14 4 S 0 4000 8.1 D 224221 D Common Stock 2018-06-14 4 M 0 4000 4.41 A 228221 D Common Stock 2018-06-14 4 S 0 4000 8.2 D 224221 D Common Stock 2018-06-15 4 M 0 4000 4.07 A 228221 D Common Stock 2018-06-15 4 S 0 4000 8.3 D 224221 D Stock Option (right to buy) 5.88 2018-06-14 4 M 0 4000 0 D 2019-04-11 Common Stock 4000 0 D Stock Option (right to buy) 4.41 2018-06-14 4 M 0 4000 0 D 2019-11-19 Common Stock 4000 0 D Stock Option (right to buy) 4.07 2018-06-15 4 M 0 4000 0 D 2020-04-06 Common Stock 4000 4733 D Stock Option vests and becomes exercisable in three equal annual increments beginning April 11, 2015. Stock Option vests and becomes exercisable in three annual increments beginning October 31, 2015 for 1,333 shares, October 31, 2016 for 1,333 shares and October 31, 2017 for 1,334 shares. Stock Option vests and becomes exercisable in two installments with 4,366 shares becoming exercisable on 7/6/15 and 4,367 shares becoming exercisable on 10/6/15. /s/ Tony D. Shin, Attorney in Fact 2018-06-18