Will iPhoto 9 work under OS 10.9 on new iMac ?

SEE HERE: http://support.apple.com/kb/HT3876?viewlocale=en_US&locale=en_US

My friend wants to buy a new 27" iMac with 10.9, but to use only iPhoto 9 because of some silly problems with other iLife versions.

Will iPhoto 9 work fine under OS 10.9 ? If not, which malfunctions or defects occur ?