From the PTO:
The Office is adjusting the PCT transmittal and search fees to recover the estimated average cost to the Office of processing PCT international applications and preparing international search reports and written opinions for PCT international applications.
Specifically, the PTO is reducing transmittal fees from $300 to $240. However, search fees and supplemental search fees will be increased $280 from $1800 to $2080.
The fee increase is scheduled to be effective on January 12, 2009.
Read the entire notice here.