EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • February 12th, 2009 • MPM Bioventures Iii Lp • Pharmaceutical preparations
Contract Type FiledFebruary 12th, 2009 Company IndustryIn accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock of Somaxon Pharmaceuticals, Inc. and further agree that this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.
EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • February 12th, 2009 • MPM Bioventures Ii Lp • Pharmaceutical preparations
Contract Type FiledFebruary 12th, 2009 Company IndustryIn accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock of Affymax, Inc. and further agree that this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.
EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • February 12th, 2009 • MPM Bioventures Iii Lp • Electromedical & electrotherapeutic apparatus
Contract Type FiledFebruary 12th, 2009 Company IndustryIn accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock of EnteroMedics, Inc. and further agree that this agreement be included as an exhibit to such filing. Each party to the agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement. Each party to this agreement agrees that this joint filing agreement may be signed in counterparts.