Complex sentence: At a sale price of $250m (€230m) in 2000, IObox represented the largest venture capital exit in Finland until the sale of MySQL AB MySQL AB in 2008 for $1bn (€670m).
Split into simpler sentences: At a sale price of $250m (€230m) in 2000, IObox was the largest venture capital exit in Finland. It wasn't surpassed until the sale of MySQL AB MySQL AB in 2008 for $1bn (€670m).