AGREEMENT

         In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that this Amendment to Schedule 13D dated October 6, 2000 relating to the Common Stock, no par value, of Cellegy Pharmaceuticals, Inc., and such other amendments as may be filed by them hereafter, are being filed with the Securities and Exchange Commission on behalf of each of them.

October 6, 2000                    By:  /s/ Andrew H. Tisch                     
                                        Andrew H. Tisch


                                   By:  /s/ Daniel R. Tisch                     
                                        Daniel R. Tisch


                                   By:  /s/ James S. Tisch                      
                                        James S. Tisch


                                   By:  /s/ Thomas J. Tisch                     
                                        Thomas J. Tisch


                                   By:  /s/ Julian C. Baker                     
                                        Julian C. Baker


                                   By:  /s/ Felix J. Baker                      
                                        Felix J. Baker