Walgreen (WAG -1.9%) CEO Gregory Wasson says his company tried last week to resolve the dispute...

|By:, SA News Editor

Walgreen (WAG -1.9%) CEO Gregory Wasson says his company tried last week to resolve the dispute with pharmacy benefits manager Express Scripts (ESRX -0.3%) but received a response that was “not very meaningful." But the FQ1 earnings report says the drugstore chain expects to retain 97%-99% of its 2011 prescription volume in fiscal 2012.