Exhibit 31.4
CERTIFICATION
I, Michael Gilligan, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of PowerShares DB US Dollar Index Trust; 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. |
| Dated: March 29, 2013 | /s/ Michael Gilligan | |
| Michael Gilligan | ||
| Chief Financial Officer |