Complex sentence: The club publishes a quarterly journal, "The Cinderella Philatelist" and at the end of 2008 had a membership of nearly 500, of which over 150 were outside the UK.
Split into simpler sentences: The club publishes a quarterly journal, "The Cinderella Philatelist". As of the end of 2008 the club had a membership of nearly 500, of which over 150 were outside the UK.