RIGHTS AGREEMENT between iBASIS, INC. and COMPUTERSHARE TRUST COMPANY, N.A., as Rights Agent Dated as of July 30, 2009Rights Agreement • July 30th, 2009 • Ibasis Inc • Telephone communications (no radiotelephone) • Delaware
Contract Type FiledJuly 30th, 2009 Company Industry JurisdictionRIGHTS AGREEMENT, dated as of July 30, 2009 (this “Agreement”), between iBasis, Inc., a Delaware corporation (the “Company”), and Computershare Trust Company, N.A. (the “Rights Agent”).