. net proceeds of this offering were used to repay borrowings under the cp program , which was used to finance a portion of the acquisition of barclays global investors ( 201cbgi 201d ) from barclays on december 1 , 2009 ( the 201cbgi transaction 201d ) , and for general corporate purposes . interest on the 2019 notes of approximately $ 50 million per year is payable semi- annually in arrears on june 10 and december 10 of each year