X0306 4/A 2018-03-20 2018-03-22 0 0000740664 R F INDUSTRIES LTD RFIL 0001377473 Reynolds William 7610 MIRAMAR ROAD, BLDG. 6000 SAN DIEGO CA 92126 1 0 0 0 Common Stock 2018-03-20 4 S 0 10500 4.58 D 50200 D On March 22, 2018, the Reporting Person filed a Form 4 mistakenly reporting that 10,500 shares of common stock had been acquired at a weighted average price of $4.58, rather than disposed of in a sale. This amended Form 4 correctly reports that the 10,500 shares of common stock were sold/disposed of at the weighted average price of $4.58. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.45 to $4.65, 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 (2) to this Form 4. /s/ Tony D. Shin, Attorney in Fact 2018-03-23