Catalyst Pharma Says Results on Cocaine Addiction Trial will be Delayed; Sees Top-Line Results in November

Catalyst Pharmaceutical Partners, Inc.

announced today that it has been advised by the Department of Veterans Affairs Cooperative Studies Program (VACSP) that the availability of top-line results from Catalyst's CPP-109 (vigabatrin) Phase II(b) trial for cocaine addiction will be delayed. VACSP now expects to provide the top-line results to the Company during the first half of November 2012. VACSP is the Company's collaborator responsible for the management and statistical analyses of the data being collected from the trial.