Item 7.01 Regulation FD Disclosure

Tengion, Inc. ("Tengion") meets from time to time with members of the investment community for purposes of providing an update on Tengion's business. A copy of the materials to be used at these meetings is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information referenced in this Item 7.01 of Current Report on Form 8-K (including Exhibit 99.1 referenced in Item 9.01 below) is being "furnished" under "Item 7.01. Regulation FD Disclosure" and, as such, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section and shall not be incorporated by reference into any registration statement or other document filed by Tengion pursuant to the Securities Act of 1933, as amended (the "Securities Act"), except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits

(b) Exhibits.

99.1 Tengion, Inc. Investor Presentation - May 2012

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