Exhibit No.                                   Exhibit
10.1*         Note Purchase Agreement by and between Acusphere, Inc. and
              Cephalon, Inc. dated as of October 24, 2008 (incorporated by reference
              to Exhibit 10.1 to the Company's Current Report on Form 8-K/A filed
              with the Commission on October 31, 2008)
10.2*         Form of Senior Convertible Note of Acusphere, Inc. issued to
              Cephalon, Inc. (incorporated by reference to Exhibit 10.2 to the
              Company's Current Report on Form 8-K filed with the Commission on
              October 27, 2008).
10.3*         Form of Pledge and Security Agreement by and between Acusphere, Inc.
              and Cephalon, Inc. (incorporated by reference to Exhibit 10.3 to the
              Company's Current Report on Form 8-K filed with the Commission on
              October 27, 2008).
10.4*         Form of Registration Rights Agreement by and between Acusphere, Inc.
              and Cephalon, Inc. (incorporated by reference to Exhibit 10.4 to the
              Company's Current Report on Form 8-K filed with the Commission on
              October 27, 2008).
10.5          Form of License Agreement by and between Acusphere, Inc. and
              Cephalon, Inc. (filed herewith).
99.1*         Press Release dated October 24, 2008 (incorporated by reference to
              Exhibit 99.1 to the Company's Current Report on Form 8-K filed with the
              Commission on October 27, 2008).