CF Industries, Inc., a subsidiary of CF Industries Holdings, Inc. ( CF ), has announced the pricing of senior notes worth $1.5 billion. The offering comprised $750 million aggregate principal amount of 3.45% senior notes due 2023 and $750 million aggregate principal amount of 4.95% senior notes due 2043. The notes will be guaranteed by CF Industries Holdings, Inc. The net proceeds from the issuance of senior notes will be utilized to fund CF Industries' capacity expansion projects, working capital and for other general corporate purposes, including stock repurchases. Depending on customary closing conditions, the offering is expected to close on May 23, 2013. Morgan Stanley & Co. LLC and Goldman, Sachs & Co., a unit of Morgan Stanley ( MS ) and The Goldman Sachs Group, Inc. ( GS ), respectively, are acting as joint book-running managers for the senior notes offering.