By Helene Durand
LONDON, Sept 10 (IFR) - The order book for HSBC's inauguralUS dollar Additional Tier 1 issues has swelled to over US$16bn,according to two sources.
Guidance is unchanged at 5.75% to 6% for the perpetualnon-call 2020 and 6.5% to 6.75% for the perpetual non-call 10.
The issues are expected to be priced later today during theUS hours and will be rated Baa3/BBB by Moody's/Fitch. HSBC issole bookrunner and structuring adviser.
The bonds convert into equity if the bank's Common EquityTier 1 ratio falls below 7%. (Reporting by Helene Durand, editing by Julian Baker)