Exhibit 31.1
I, Michael D. Popielec, certify that:
| 1. | I have reviewed this Amendment No. 1 to annual report on Form 10-K of Ultralife Corporation; 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, 2017 | /s/ Michael D. Popielec |
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| Michael D. Popielec |
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| President and Chief Executive Officer |
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