WALLACE, Senior Circuit Judge:

Appellants Polimaster Ltd. and Na&Se Trading Company,  Ltd. (Na&Se) (collectively, Polimaster) appeal from the district court’s confirmation of an arbitration award against them and in favor of appellee RAE Systems, Inc. (RAE). They also appeal from the district court’s subsequent order granting preand post-judgment interest on the arbitration award. We have jurisdiction pursuant to 28 U.S.C. § 1291 and 9 U.S.C. § 16(a)(1)(D), and we reverse and remand.