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We construct uncountably many mutually nonisomorphic simple separable stablyfinite unital exact C$^\ast$-algebras which are not isomorphic to theiropposite algebras. In particular, we prove that there are uncountably manypossibilities for the $K_0$-group, the $K_1$-group, and the tracial state spaceof such an algebra. We show that these C*-algebras satisfy the UniversalCoefficient Theorem. This is new even for the already known example of an exactC*-algebra nonisomorphic to its opposite algebra produced in earlier work.

The K-Theory of a Simple Separable Exact C*-Algebra Not Isomorphic to Its Opposite Algebra