10 Dec, 12:23
Ireland's John Lacey will referee his first ever RBS 6 Nations match in February, while Alain Rolland is also included in the Elite Panel in what is his last season.
Born in Bristol, he has 64 caps for Ireland and made his international debut against New Zealand in November 1997.
Ulster Coach Mark McCall said:
We are delighted to have further strengthened our squad with the signing of Kevin Maggs. Kevin is a prominent international player who will add a wealth of experience to our squad.