Release Details

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Pam & Kelsey
Living with PKU, United States

PTC THERAPEUTICS TO PRESENT AT THE NORTH AMERICAN CYSTIC FIBROSIS CONFERENCE

October 10, 2013
PTC THERAPEUTICS TO PRESENT AT THE NORTH AMERICAN CYSTIC FIBROSIS CONFERENCESOUTH PLAINFIELD, NJ – October 10, 2013 – PTC Therapeutics, Inc. (NASDAQ: PTCT) announced that the following two posters will be presented at the 27th Annual North American Cystic Fibrosis Conference in Salt Lake City, Utah, on October 17-19:

- The use of chronic inhaled antibiotics in the phase 3 clinical trial of ataluren in patients with nonsense mutation cystic fibrosis (poster number 207)

- Use of different pulmonary exacerbation definitions in the phase 3 clinical trial of ataluren in patients with nonsense mutation cystic fibrosis (poster number 258)

ABOUT PTC THERAPEUTICS, INC.

PTC is a biopharmaceutical company focused on the discovery and development 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. PTC has developed proprietary technologies that it applies in its drug discovery activities and are the basis for collaborations with leading biopharmaceutical companies. For more information, visit the company's web site at www.ptcbio.com..

FOR MORE INFORMATION PLEASE CONTACT

Jane Baj

+1 (908) 912-9167

jbaj@ptcbio.com

FORWARD LOOKING STATEMENTS:

Any statements in this press release about future expectations, plans and prospects for the Company, the development of and potential market for the Company's product candidates and other statements containing the words "anticipate," "believe," "estimate," "expect," "intend," "may," "plan" "predict," "project," "target," "potential," "will," "would," "could," "should," "continue," and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Forward-looking statements involve substantial risks and uncertainties that could cause our future results, performance or achievements to differ significantly from those expressed or implied by these forward-looking statements. Such risks and uncertainties include, among others, those related to the initiation and conduct of clinical trials, availability of data from clinical trials, expectations for regulatory approvals, our scientific approach and general development progress, the availability or commercial potential of our product candidates and other factors discussed in the "Risk Factors" section of the final prospectus for our initial public offering, which is on file with the Securities and Exchange Commission. In addition, the forward-looking statements included in this press release represent the Company's views only as of the date of this release. The Company anticipates that subsequent events and developments will cause the Company's views to change. However, while the Company may elect to update these forward-looking statements at some point in the future, the Company specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing the Company's views as of any date subsequent to the date of this release.