Complex sentence: The Dutch Caribbean Securities Exchange is located in the capital of Willemstad, as is the Central Bank of Curacao and Sint Maarten, the oldest Central Bank in the western hemisphere, established in 1828.
Split into simpler sentences: The Dutch Caribbean Securities Exchange is located in the capital of Willemstad, as is the Central Bank of Curacao and Sint Maarten. The latter is the oldest Central Bank in the western hemisphere, established in 1828.