While the big agency holding companies are pretty much uniform in their denouncements of the ANA-K2 study, at least one agency is disappointed with the 4As’ “prioritizing the holding companies” in the formation of its own transparency principles and with the group’s inability to work better with the ANA to find common ground on the issue.

The agency is Empower MediaMarketing, the Cincinnati-based media agency, which today indicated that it has “suspended” its membership in the 4As indefinitely over the transparency issue.

Read the full MediaPost article here.