X0508 4 2024-10-15 0000740664 R F INDUSTRIES LTD RFIL 0001095155 Holdsworth Mark Keith 7610 MIRAMAR ROAD, BLDG 6000 SAN DIEGO CA 92126 1 0 Common Stock 2024-10-15 4 P 0 7009 3.999 A 91953 D Common Stock 60218 I By The Holdsworth Family Living Common Stock 710088 I By THG Securities Fund, L.P. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.96 to $4.00, inclusive. The reporting person undertakes to provide to the issuer or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth herein. /s/ Mark Holdsworth 2024-10-17