Lexington issued 17.25 million common shares in a public offering, raising net proceeds of approximately $156.3 million. The net proceeds were primarily used to satisfy $150.5 million of outstanding debt on Lexington's credit facilities. In addition, Lexington satisfied $30.1 million in non-recourse mortgage debt which had a weighted-average interest rate of 5.6%.
Lexington issued 4.5 million common shares upon conversion of an aggregate of $31.1 million original principal amount of 6.00% Convertible Guaranteed Notes due 2030 and made an aggregate cash payment of $2.4 million plus accrued and unpaid interest on the notes. In January 2013, Lexington converted an additional $35.0 million original principal amount of 6.00% Convertible Guaranteed Notes due 2030 for 5.0 million common shares and a cash payment of approximately $2.3 million plus accrued and unpaid interest.
In total, Lexington's consolidated debt declined by $118.6 million in the fourth quarter of 2012.
In February 2013, Lexington refinanced its secured credit facility with an unsecured credit facility consisting of a four-year $300.0 million unsecured revolving loan and a five-year $250.0 million unsecured term loan. Lexington expects to use a portion of the credit facility to retire $137.9 million of mortgage debt in March 2013. Lexington also amended its term loan due in 2019 to release the collateral as security for such loan. As a result, all of Lexington's corporate borrowings are now unsecured.Subsequent to December 31, 2012, Lexington obtained a $40.0 million non-recourse mortgage secured by its property in Lenexa, Kansas. The loan bears interest at a blended fixed rate of 3.70% and matures in November 2027. At-The-Market Offering Program Subsequent to December 31, 2012, Lexington implemented an At-The-Market offering program under which Lexington may issue up to $100.0 million in common shares over the term of the program. Lexington issued 3.4 million common shares under the program as of the date of this press release, raising gross proceeds of $36.9 million.