Abbey National Treasury Services has raised $2.5 billion in a sale of senior unsecured notes, Reuters reports. The subsidiary of Santander U.K. appointed Credit Suisse, JP Morgan, Santander and UBS as the joint bookrunning managers for the deal. The $1 billion notes sold in the first tranche are scheduled to mature on April 25, 2014. The $500 million notes sold in the second tranche carry a coupon rate of 2.875%, and are due to mature on April 25, 2014. The $1 billion notes sold in the third tranche carry a coupon rate of 4.00%, and are due to mature on April 27, 2016.

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