Debt and Credit Agreements

Long-Term Debt

In January 2018, Edison International Parent borrowed $500 million under a Term Loan Agreement due in January 2019, with a variable interest rate based on the London Interbank Offered Rate plus 60 basis points. The proceeds were used to repay Edison International Parent's commercial paper borrowings. In March 2018, Edison International Parent issued $550 million of 4.125% senior notes due 2028. The proceeds from the March 2018 issuance were used to repay the $500 million Term Loan discussed above and for general corporate purposes.

During the nine months ended September 30, 2018, SCE issued the following first and refunding mortgage bonds:



Description	Month of Issuance	Rate		Maturity Date	Amount (in millions)
Series 2018A	March 2018	2.90	%	2021	$	450
Series 2018B	March 2018	3.65	%	2028	400
Series 2018C¹	March 2018	4.125	%	2048	400
Series 2018D	June 2018	3.40	%	2023	300
Series 2018C¹	June 2018	4.125	%	2048	350
Series 2018E	August 2018	3.70	%	2025	300
Series 2018C¹	August 2018	4.125	%	2048	550


¹	The aggregate principal amount of the Series 2018C bonds totaled $1.3 billion.

The proceeds from the SCE bonds issued during the nine months ended September 30, 2018 were used to repay commercial paper borrowings and for general corporate purposes. In addition, the proceeds from the $850 million issued in August 2018 were used to repay $400 million of SCE's Series 2008B first and refunding mortgage bonds.

Credit Agreements and Short-Term Debt

In May 2018, SCE and Edison International Parent amended their multi-year revolving credit facilities to increase the facilities to $3.0 billion and $1.5 billion from $2.75 billion and $1.25 billion, respectively. Both facilities mature in May 2023 and each has two 1-year extension options. SCE's credit facility is generally used to support commercial paper borrowings and letters of credit issued for procurement-related collateral requirements, balancing account undercollections and for general corporate purposes, including working capital requirements to support operations and capital expenditures. Edison International Parent's credit facility is used to support commercial paper borrowings and for general corporate purposes.

At September 30, 2018, SCE's outstanding commercial paper, net of discount, was $103 million at a weighted-average interest rate of 2.38%. At September 30, 2018, letters of credit issued under SCE's credit facility aggregated $264 million, substantially all of which are scheduled to expire in twelve months or less. At December 31, 2017, the outstanding commercial paper, net of discount, was $738 million at a weighted-average interest rate of 1.75%. In December 2017, SCE borrowed $500 million from the credit facility. The interest rate on this loan was 2.46% on December 31, 2017. In January 2018, SCE repaid its $500 million borrowing with cash on hand.

At September 30, 2018, Edison International Parent had no outstanding commercial paper. At December 31, 2017, the outstanding commercial paper, net of discount, was $639 million at a weighted-average interest rate of 1.70%. In December 2017, Edison International Parent borrowed $500 million from the credit facility. The interest rate on this loan was 2.56% on December 31, 2017. In January 2018, Edison International Parent repaid its $500 million borrowing with cash on hand.