The operating partnership of office real estate investment trust SL Green Realty Corp. wrapped up an offering of $350 million of floating-rate notes due Aug. 16, 2021, generating about $347.4 million in net proceeds.

The notes will bear interest at a floating rate equal to the three-month London Interbank Offered Rate plus 0.98%, payable quarterly in arrears on Feb. 16, May 16, Aug. 16 and Nov. 16 of each year, starting Nov. 16.