Letter Agreement Binding Stockholders to Investors' Rights Agreement in Public Offering – Acusphere, Inc.

Summary

This letter agreement, dated April 30, 1996, is between Acusphere, Inc. and certain stockholders. The stockholders agree that, if the company conducts an underwritten public offering, they will be bound by Section 2.14 of the Amended and Restated Investors' Rights Agreement from March 30, 1995, as if they were investors under that agreement. This ensures all signatory stockholders are subject to the same terms as investors during a public offering.

EX-10.06 7 b38735aiex10-06.txt LETTER AGREEMENT, DATED APRIL 30,1996 1 Exhibit 10.06 April 30, 1996 Acusphere, Inc. 38 Sidney Street Cambridge, MA 02139 Dear Ladies and Gentlemen: For good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, each of the undersigned stockholders of Acusphere, Inc., (the "Company") hereby agrees that in the event of an underwritten public offering of the Company's securities, such stockholder will be bound by Section 2.14 of the Amended and Restated Investors' Rights Agreement, dated March 30, 1995 as if such stockholder were an "Investor" under such Agreement. Very truly yours, /s/ Sherri C. Oberg ---------------------------------------- Sherri C. Oberg /s/ Robert S. Langer ---------------------------------------- Robert S. Langer /s/ Harry R. Allcock ---------------------------------------- Harry R. Allcock