EXHIBIT 31.4
CERTIFICATION
I, Brandon H. LaVerne, certify that:
1. I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of PCM, 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 28, 2016 | /s/ Brandon H. LaVerne |
| Brandon H. LaVerne | |
| Chief Financial Officer |