Exposed pad of AD8352  amplifier


I am a new user of Analog Device components. I need to use a 2-GHz diferential amplifier AD8352 from Analog Device. I have noticed that there is a pin called "exposed pad" on the footprint. How should I solder this pin between the IC and the footprint ? It is strange that I could not find any suggestion about how to work on this pin in the datasheet ... Please suggest

Thanks a lot,