Complex sentence: The mall did not flood during Hurricane Katrina and experienced no serious damage, however a fifth anchor store, Mervyns closed shortly after the storm when Mervyn's pulled out of the Louisiana market.
Split into simpler sentences: The mall did not flood during Hurricane Katrina and experienced no serious damage. However Mervyns, a fifth anchor store, closed shortly after the storm when Mervyn's pulled out of the Louisiana market.