X0306 4 2016-05-18 0000875622 BIOSPECIFICS TECHNOLOGIES CORP BSTC 0001355189 Wegman Thomas C/O BIOSPECIFICS TECHNOLOGIES CORP., 35 WILBUR STREET LYNBROOK NY 11563 1 1 1 0 President Common Stock, $0.001 par value 2016-05-18 4 S 0 50 33.8 D 1005128 I See footnote Common Stock, $0.001 par value 2016-05-18 4 S 0 150 34.14 D 1004978 I See footnote Common Stock, $0.001 par value 2016-05-18 4 S 0 50 34.11 D 1004928 I See footnote Common Stock, $0.001 par value 2016-05-18 4 S 0 24750 33 D 980178 I See footnote Common Stock, $0.001 par value 2016-05-18 4 S 0 50 33.8 D 220772 D Common Stock, $0.001 par value 2016-05-18 4 S 0 150 34.14 D 220622 D Common Stock, $0.001 par value 2016-05-18 4 S 0 50 34.11 D 220572 D Common Stock, $0.001 par value 2016-05-18 4 S 0 24750 33 D 195822 D The selling price of $33.80 is reflective of the sale price of all transactions reported on this line. The selling price of $34.14 is reflective of the sale price of all transactions reported on this line. The selling price of $34.11 is reflective of the sale price of all transactions reported on this line. The selling price of $33.00 is reflective of the sale price of all transactions reported on this line. These shares are held in trust on behalf of the reporting person and Mrs. Toby Wegman. The reporting person is the co-trustee of the trust with Ms. Toby Wegman. The reporting person disclaims beneficial ownership of the shares held by the trust except to the extent of the reporting person's pecuniary interest therein. The selling price of $33.80 is reflective of the sale price of all transactions reported on this line. The selling price of $34.14 is reflective of the sale price of all transactions reported on this line. The selling price of $34.11 is reflective of the sale price of all transactions reported on this line. The selling price of $33.00 is reflective of the sale price of all transactions reported on this line. /s/ Carl A. Valenstein, attorney-in-fact for Thomas Wegman 2016-05-19