This week's book giveaway is in the Agile and Other Processes forum. We're giving away four copies of The Journey To Enterprise Agility and have Daryl Kulak & Hong Li on-line! See this thread for details.
In the past Oracle provided an upgrade path to prior releases of the exam, but I'm not sure that Oracle provides an upgrade path to the current one. You may want to double check the Oracle Education web site.
That being said, if the upgrade exists or not, I'm sure our guide will be very useful to you.