The undersigned acknowledge and agree that the foregoing Statement on Schedule 13D with respect to
the beneficial ownership by each of the undersigned of shares of P.T. Indosat Tbk is filed jointly
on behalf of each of the undersigned and that all subsequent amendments to the Statement on
Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing
additional
joint filing agreements. This
joint filing agreement may be included as an exhibit to
such joint filing. Each of the undersigned acknowledges that each shall be responsible for the
timely filing of such amendments with respect to information concerning such undersigned reporting
person, and for the completeness and accuracy of the information concerning such undersigned
reporting person, contained therein, but shall not be responsible for the completeness and accuracy
concerning the others, except to the extent that such reporting person knows or has reason to
believe that such information is inaccurate. This agreement may be executed in any number of
counterparts and all of such counterparts taken together shall constitute one and the same
instrument.