Certification of Principal Financial Officer
I, Alicia Grande, 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/ Alicia Grande |
| Alicia Grande |
| Chief Financial Officer |
| (Principal Financial Officer) |