Exhibit 31
CERTIFICATIONS
I, Michael D. West, certify that:
| 1. | I have reviewed this quarterly report on Form 10-Q/A-1 of BioTime, Inc. |
| 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: January 13, 2015 |
| | |
| /s/ Michael D. West | |
| Michael D. West | |
| Chief Executive Officer | |
CERTIFICATIONS
I, Robert W. Peabody, certify that:
| 1. | I have reviewed this quarterly report on Form 10-Q/A-1 of BioTime, Inc. |
| 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: January 13, 2015 | |
| | |
| /s/ Robert W. Peabody | |
| Robert W. Peabody | |
| Chief Financial Officer | |
