Endurance Starts Offer for Aspen in $3.2 Billion Hostile Bid

June 9 (Bloomberg) -- Endurance Specialty Holdings Ltd. began an exchange offer for shares of Aspen Insurance Holdings Ltd. as part of a $3.2 billion effort to acquire the insurer.

The offer begins today and expires at 5 p.m. New York time on Aug. 29, Bermuda-based Endurance said today in a statement.

To contact the reporter on this story: Zachary Tracer in New York at ztracer1@bloomberg.net

To contact the editors responsible for this story: Dan Kraut at dkraut2@bloomberg.net Peter Eichenbaum