Complex sentence: In 1990 Timber Hill Deutschland GmbH was incorporated in Germany, and shortly thereafter began trading equity derivatives at the Deutsche Terminborse (now Eurex), which was Timber Hill's first use of its trading system on a fully automated exchange.
Split into simpler sentences: In 1990 Timber Hill Deutschland GmbH was incorporated in Germany, and shortly thereafter began trading equity derivatives at the Deutsche Terminborse (now Eurex). This was Timber Hill's first application of its trading system on a fully automated exchange.