CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO RULE 13a-14(a) / 15d-14(a) OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED
I, Norbert G. Riedel, certify that:
The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a‑15(e) and 15d‑15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(d)) for the registrant and have:
b. | any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. |
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Date: | March 30, 2020 | By: |
| /s/ Norbert G. Riedel |
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| Norbert G. Riedel |
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| President and Chief Executive Officer (Principal Executive Officer) |