BETHESDA, Md.--(BUSINESS WIRE)--REGENERX BIOPHARMACEUTICALS, INC. (AMEX:RGN) (www.regenerx.com) announced today that it has entered into agreements (the “Purchase Agreements”) with certain accredited investors (the “Investors”) with respect to the sale of 5,000,000 shares of the Company’s common stock at a price per share of $1.00 (the “Shares”), for gross proceeds of $5,000,000 (the “Offering”). The Offering is expected to close on February 29, 2008. In connection with the Offering, the Company has also agreed to issue warrants to purchase an additional 1,000,000 shares of its common stock with an exercise price of $1.60 per share (the “Warrants”). There were no discounts or brokerage fees associated with the Offering.