T2 Biosystems Inc. – Indentures Watch

from S-3 51 pages T2 Biosystems, Inc. Indenture Dated as of , 20 [ ] Trustee

from 8-K 19 pages Placement Agent Common Stock Purchase Warrant T2 Biosystems, Inc

from 8-K 19 pages Series B Common Stock Purchase Warrant T2 Biosystems, Inc

from 8-K 19 pages Series a Common Stock Purchase Warrant T2 Biosystems, Inc

from 8-K 18 pages Pre-Funded Common Stock Purchase Warrant T2 Biosystems, Inc

from 10-K 4 pages Description of the Registrant’s Securities Registered Under Section 12 of the Exchange Act

from 10-K 4 pages Description of the Registrant’s Securities Registered Under Section 12 of the Exchange Act

from 8-K 22 pages Common Stock Purchase Warrant T2 Biosystems, Inc

from 8-K 20 pages Pre-Funded Common Stock Purchase Warrant T2 Biosystems, Inc

from 10-Q 21 pages Common Stock Purchase Warrant T2 Biosystems, Inc

from 10-K 2 pages Description of the Registrant’s Securities Registered Under Section 12 of the Exchange Act

from S-3 51 pages T2 Biosystems, Inc. Indenture Dated as of , 20 [ ] Trustee

from 10-K 2 pages Description of the Registrant’s Securities Registered Under Section 12 of the Exchange Act

from 10-K/A 2 pages Description of the Registrant’s Securities Registered Under Section 12 of the Exchange Act

from 8-K 14 pages Registration Rights Agreement

from S-3 51 pages T2 Biosystems, Inc. Indenture Dated as of , 20 [ ] Trustee

from S-3/A 51 pages T2 Biosystems, Inc. Indenture Dated as of , 20 [ ] Trustee

from S-3 51 pages T2 Biosystems, Inc. Indenture Dated as of , 20 [ ] Trustee

from S-1/A 56 pages T2 Biosystems, Inc. Fourth Amended and Restated Investors’ Rights Agreement March 22, 2013

from S-1/A 2 pages Fully Paid and Non-Assessable Shares of Common Stock, $0.001 Par Value Per Share, of Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of the Certificate Properly Endorsed. This Certificate Is Not Valid Unless Countersigned by the Transfer Agent and Registered by the Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Chief Financial Officer President and Chief Executive Officer This Certifies That Is the Owner of Fcl T2 Biosystems, Inc. T2 Biosystems, Inc. Incorporated Under the Laws of the State of Delaware Countersigned and Registered: American Stock Transfer & Trust Company, LLC. (Brooklyn, Ny) Transfer Agent and Registrar by Authorized Officer Shares Cusip 35952h 10 6 See Reverse for Certain Definitions Common Stock Delaware Seal 2006 Corporate T2 Biosystems