X0306 4 2018-03-15 0 0000740664 R F INDUSTRIES LTD RFIL 0001574099 Benoit Edward Joseph 7610 MIRAMAR ROAD, BUILDING 6000 SAN DIEGO CA 92126 1 0 0 0 Common Stock 2018-03-15 4 M 0 40000 1.5 A 40000 D Common Stock 2018-03-15 4 S 0 40000 4.67 D 0 D Stock Option (right to buy) 1.5 2018-03-15 4 M 0 40000 0 D 2021-11-08 Common Stock 40000 37339 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.65 to $4.69, inclusive. The reporting person undertakes to provide to RF Industries Ltd, any security holder of RF Industries Ltd, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4. Stock Option vests and becomes exercisable in four equal quarterly increments over a one-year period on 1/31/2017, 4/30/2017, 7/31/2017 and 10/31/2017. /s/ Tony D. Shin, Attorney in Fact 2018-03-19