Attached files
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| 10-K/A - TENGION, INC. FORM 10-K/A - TENGION INC | tengion10ka.htm |
| EX-31.2 - EXHIBIT 31.2 - TENGION INC | ex31-2.htm |
Exhibit 31.1
CERTIFICATION PURSUANT TO
SECTION 302 OF
THE SARBANES-OXLEY ACT OF 2002
I, John L. Miclot, certify that:
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1.
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I have reviewed this Amendment No. 1 to Annual Report of Tengion, Inc.; and
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2.
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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.
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Date: April 24, 2012
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/s / John L. Miclot
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John L. Miclot
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President and Chief Executive Officer
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