Took me a while, but I finally found the text of the U.S. – Hong Kong Extradition Treaty (1997) from the U.S. Government Printing Office.
A copy of the pdf is provided below.
The Senate Notes here provides a good summary of (and background information surrounding) the treaty.
Charles Liu says
More info from HK:
http://www.guardian.co.uk/world/2013/jun/26/edward-snowden-name-wrong-hong-kong
– middle name given was wrong
– no passport number was given