Dr. Gabriel Sosne Joins RegeneRx Medical and Scientific Advisory Board.

BETHESDA, Md. -- RegeneRx Biopharmaceuticals, Inc. (AMEX:RGN) (www.regenerx.com) reported today that Dr. Gabriel Sosne, Assistant Professor of Ophthalmology at Wayne State University and the Kresge Eye Institute in Detroit, Michigan, has accepted an appointment to the Company's Medical and Scientific Advisory Board (MSAB). The MSAB consists of a number of preeminent scientists and physicians who have worked with Thymosin beta 4 (TB4) or who have substantial experience in areas of interest to the Company.

"We are very pleased to welcome Dr. Sosne to our MSAB. His extensive work with TB4 in accelerating wound healing in the eye, along with his many publications showing various mechanisms of action related to TB4, have played an important role in the development of our technology platform over the past several years," said Dr. Allan L. Goldstein, Chairman of RegeneRx's Medical and Scientific Advisory Board. "While his research, to date, has contributed to our understanding of TB4 in animal models, I am very excited and look forward to working with Dr. Sosne as we initiate human clinical trials for ocular wound repair in humans."

"It is an honor for me to join the RegeneRx team as we move toward developing TB4 for clinical applications. It is my sincere hope that our work with TB4 will ultimately help people and offer greater therapeutic options to those with wound healing disorders," said Dr. Sosne.

RegeneRx Biopharmaceuticals, Inc.

RegeneRx (www.regenerx.com) is a biopharmaceutical company developing TB4 as a platform technology for the treatment of acute and chronic wounds and for a variety of human diseases involving tissue and organ repair under an exclusive world-wide license from the National Institutes of Health. The company holds over fifty world-wide patents and patent applications related to dermal, ocular, and internal wounds and tissue repair, including the prevention and treatment of cardiac and neurological injuries, as well as patents related to the treatment of septic shock. RegeneRx has received clearance from the U.S. FDA for its first three Phase II dermal wound healing clinical trials and has targeted ocular wound healing as part of its ongoing clinical trial program.

The information in this press release may include certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements concern the Company's current expectations regarding future events, including the regulatory approval process and the ongoing and prospective development and commercialization of TB4 and possible future benefits to the Company, its stockholders, and patients. Due to the nature of clinical trials, product development and the regulatory approval process, the forward-looking statements contained in this press release are subject to risks and uncertainties, including those reflected in the Company's filings with the Securities and Exchange Commission, particularly its most recent Annual Report on Form 10-KSB. The Company assumes no obligation to update or revise any forward-looking statements made herein or any other forward-looking statements made by the Company.