Executive Vice President of Research And Development Employment Agreement

Exhibit 99.1


Press Release


Mark Corrigan, M.D. to Join Sepracor as Executive Vice President of Research and Development


MARLBOROUGH, Mass., April 21 /PRNewswire-FirstCall/ Sepracor Inc. (Nasdaq: SEPR) today announced the appointment of Mark H.N. Corrigan, M.D., to the position of Executive Vice President of Research and Development. Dr. Corrigan most recently served as Group Vice President of Global Clinical Research and Experimental Medicine at Pharmacia. After spending seven years in academic research, Dr. Corrigan joined Upjohn in 1993 and served in several senior management positions in clinical research and development for Upjohn and Pharmacia Upjohn. He has over sixteen years of experience in treating psychiatric and central nervous system disorders. Dr. Corrigan is board certified in psychiatry and neurology.


"We are pleased to have Mark join Sepracor as a key member of our management team," said Timothy J. Barberich, Chairman and Chief Executive Officer of Sepracor Inc. "Mark brings with him extensive experience in clinical research and development and, as a psychiatrist, his area of expertise has been in the development of compounds to treat central nervous system disorders, including sleep hypnotics. This is an important therapeutic focus for Sepracor, as a New Drug Application for ESTORRA(TM) brand eszopicl ...