BOSTON--(BUSINESS WIRE)--Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that its operating partnership, Boston Properties Limited Partnership, has agreed to sell $850 million of 3.200% senior unsecured notes due 2025 in an underwritten public offering through BNY Mellon Capital Markets, LLC, Deutsche Bank Securities Inc., J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Morgan Stanley & Co. LLC, Jefferies LLC, Scotia Capital (USA) Inc., TD Securities (USA) LLC and Wells Fargo Securities, LLC as joint book-running managers. The notes were priced at 99.757% of the principal amount to yield 3.238% to maturity. The notes will mature on January 15, 2025, unless earlier redeemed. The offering is expected to close on December 4, 2017, subject to the satisfaction of customary closing conditions.