Pharmacy benefit management company Catalyst Health Solutions, Inc.
(CHSI) said Wednesday that it has agreed to acquire drugstore chain
Walgreen Co.'s (WAG) pharmacy benefit management or PBM business
for $525 million in cash. The companies expect the transaction,
structured as an acquisition of all of the capital stock of
Walgreens Health Initiatives Inc. or WHI, to close by the end of
June 2011.view original article