Nov 29 (Reuters) - AMP Ltd AMP.AX :
* AMP SETS MARGIN ON CAPITAL NOTES 2 OFFER AND INCREASES OFFER
* AMP SETS MARGIN ON CAPITAL NOTES 2 OFFER AND INCREASES OFFER SIZE TO AT LEAST A$250 MILLION
* MARGIN DETERMINED UNDER BOOKBUILD IS 4.5000% PER ANNUM OVER BBSW RATE, WHICH IS AT BOTTOM OF EXPECTED RANGE OF 4.5000% TO 4.7000%
* SIZE OF OFFER WILL INCREASE FROM A$200 MILLION TO AT LEAST A$250 MILLION