Exelon (EXC) said in a Wednesday filing that it closed the public offering of $1 billion aggregate principal amount of its 6.5% fixed-to-fixed reset rate junior subordinated notes due 2055.

The company received about $990 million in proceeds from the sale of the notes, according to the filing.

The company said the offering was under a Feb. 13 underwriting deal with a group of financial institutions.

The notes are set to mature on March 15, 2055, with interest payable semi-annually starting on Sept. 15, according to the filing.

Price: 42.77, Change: +0.06, Percent Change: +0.15