MEDIMMUNE, INC.

EXECUTIVE COMMITTEE CHARTER

Adopted: August 14, 2003


Composition

              The Executive Committee of the Board of Directors (the "Committee") shall be comprised of four or more directors.

              The Board of Directors shall designate one of the members of the Committee as its Chairman. The Committee shall meet at such times and upon such notice as it may determine, shall report all proceedings to the Board of Directors and shall keep regular minutes of its meetings.

Mission

              The mission of the Committee is to review and take action on matters that require the attention of the Board of Directors between regularly scheduled meetings.

Responsibilities

              The Committee is vested with the full authority of the Board of Directors to the extent permitted by the Delaware General Corporation Law, as amended from time to time, or other applicable law.