Exhibit 31.2
CERTIFICATION
I, Mark Kaufmann, certify that:
| 1. | I have reviewed this Amendment No. 1 to the annual report on Form 10-K of Ardelyx, 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: March 11, 2015 | By: | /s/ Mark Kaufmann | ||||
| Mark Kaufmann | ||||||
Chief Financial Officer (Principal Financial Officer) |