Instructions:Discount is supposed to apply to weekend (Friday / Saturday /Sunday) Bed&Breakfast rates although the link appears to give additional deals like a 2-for-1 as well.
Use link www.ichotels.com/exclusive or
From the UK call 0870 400 8135 (I would try the freephone Europe number first)
From the Republic of Ireland call 1-800 55 31 55
From Europe call 0800 185 2428
and quote "Exlusive Rate" or "Exclusive Club Rate"