The two clubs agreed an undisclosed transfer fee for the 28-year-old on Thursday.
"I am super happy," Koevermans told Noordhollands Dagblad. "I can hardly comprehend that a club like PSV wants me, that I can make another step upwards after playing at Sparta Rotterdam and AZ."
Copyright (c) PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms