The former All Black joined Munster mid way through the 2007/08 season and has been a resounding success scoring 32 tries since making his debut in the Jan 08 Heineken Cup game in Clermont.
Commenting Howlett said "I'm obviously delighted to have agreed terms. My family and I are very happy here in Munster, it's home to us and we're very much looking forward to remaining here."
Guinness PRO12
Suite 208, Alexandra House,
The Sweepstakes
Ballsbridge, Dublin 4, Ireland