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H&R Block Shifts Media Buying to CM

CHICAGO—H&R Block has shifted national broadcast buying duties to its creative shop, Interpublic Group’s Campbell Mithun, Minneapolis. The client spent $35 million on national broadcast in 2001, according to CMR, but H&R Block said earlier this year it planned a $100 million marketing campaign for 2002. The agency won creative and media-planning duties on the account two years ago, but buying had remained with WPP Group’s Media edge:cia. A desire “to integrate its advertising in one place” spurred the shift of the national broadcast business, a source said.