Certification of Principal Executive Officer
I, Patrick J. McEnany, certify that:
| 1. | I have reviewed this Form10-K/A of Catalyst Pharmaceuticals, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| Date: April 29, 2020 |
/s/ Patrick J. McEnany |
| Patrick J. McEnany |
| Chief Executive Officer |
| (Principal Executive Officer) |
