SOUTH PLAINFIELD, N.J., May 16, 2013 /PRNewswire/ -- PTC Therapeutics, Inc., today announced that it has filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission ("SEC") relating to the proposed initial public offering of its common stock. The number of shares to be offered and the price range for the offering have not been determined. (Logo: http://photos.prnewswire.com/prnh/20010919/PTCLOGO ) J.P. Morgan and Credit Suisse are acting as joint book-running managers for the offering. Cowen and Company is acting as co-lead manager and Wedbush PacGrow Life Sciences as co-manager. A registration statement relating to these securities has been filed with the SEC, but has not yet become effective. These securities may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful, prior to registration or qualification under the securities laws of any such state or jurisdiction. The offering will be made only by means of a prospectus. When available, copies of the preliminary prospectus relating to the offering may be obtained from J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717; telephone: 866-803-9204; or Credit Suisse Securities ( USA) LLC, or Credit Suisse Prospectus Department, One Madison Avenue, New York, NY 10010; telephone: 1-800-221-1037; email: firstname.lastname@example.org. About PTC Therapeutics, Inc. PTC is a biopharmaceutical company focused on the discovery, development and potential commercialization of orally administered small-molecule drugs that target post-transcriptional control processes. Post-transcriptional control processes regulate the rate and timing of protein production and are of central importance to proper cellular function. PTC's internally discovered pipeline addresses multiple therapeutic areas, including rare genetic disorders, oncology and infectious diseases.