Complex sentence: The Co-operative Insurance was also a life insurer and fund manager sharing surpluses with holders of its with-profits life policies as well as with individual members of the Co-operative Group in proportion to their general insurance patronage.
Split into simpler sentences: The Co-operative Insurance was also a life insurer and fund manager. It shared surpluses with holders of its with-profits life policies and with individual members of the Co-operative Group in proportion to their general insurance patronage.