On January 9, Reuters announced a US$2.6 billion bond offering by the Australia and New Zealand Banking

Question:

On January 9, Reuters announced a US$2.6 billion bond offering by the Australia and New Zealand Banking Group. The following is reproduced from the announcement:
Issue:US$2.6 bln 144a reg S 2, 3-year
The offer comprised US$1.9 bln 3-year at 100bp/swapand US$700 mln 2-yr at 70bp/Libor.
Participants:(Before the offer was increased) 45 investors.
For the 3-year tranche, 65% from North America, 10% from Europe, 20% Asia, 10% others. For the 2-year tranche: 40% from North America, 20% from Europe, 40% fromAsia.
Describe this bond offering.