American Tower Corp. priced a two-tranche senior notes offering, for approximately $1.23 billion in expected net proceeds.

The public offering comprises $650.0 million of 3.375% senior unsecured notes due 2024, priced at 99.703% of the notes' face value, and $600.0 million of 3.950% notes due 2029, priced at 98.917% of the notes' face value.

The communications real estate investment trust aims to use the net proceeds to repay existing debt under its multicurrency senior unsecured revolving credit facility entered into in June 2013 and its senior unsecured revolving credit facility entered into in January 2012.

Barclays, Mizuho Securities, RBC Capital Markets, Société Générale and TD Securities are the joint book-running managers for the offering.