Intel have updated the specifications for each CPU and indeed they support EPT:
| Processor Family | Supports Intel® VT-x | Supports Intel® EPT | |
|---|---|---|---|
| 4th Generation Intel® Core™ i7 Extreme Processor | Yes | Yes | |
| 4th Generation Intel® Core™ i7 Processors | Yes | Yes | |
| 4th Generation Intel® Core™ i5 Processors | Yes | Yes | |