The Insured shall at the expense of the Insurers do and concur in doing and permit to be done all such acts and things as may be necessary or required by the Insurers in the interest of any rights or remedies, or of obtaining
relief or indemnity from parties (other than those insured under this Policy) to which the Insurers are or would become entitled or which is or would be subrogated to them upon their paying for or making good any loss or damage under this Policy, whether such acts and things are or become necessary or required before or after the Insured's indemnification by the Insurers