X0303 4 2009-10-12 0 0000707511 REGENERX BIOPHARMACEUTICALS INC RGN 0001125613 HINDIN RICHARD J C/O REGENERX BIOPHARMACEUTICALS, INC. 3 BETHESDA METRO CENTER, SUITE 630 BETHESDA MD 20814 1 0 0 0 Stock Options (right to buy) 0.76 2009-10-12 4 A 0 15000 0.00 A 2016-10-12 Common Stock 15000 15000 D Options granted under the RegeneRx Biopharmaceuticals, Inc. Amended and Restated 2000 Stock Option and Incentive Plan vest over four years in four equal annual installments beginning with the first anniversary of the date of grant. /s/ J.J. Finkelstein, attorney-in-fact 2009-10-14