13. Long-Term Debt

In July 2016, we entered into a five-year senior unsecured revolving credit facility (“Credit Facility”) with lenders, some of which are affiliated with certain members of the underwriting syndicate for our IPO, that allows us to borrow up to $1.1 billion to fund working capital and general corporate-purpose expenditures. The loan bears interest at LIBOR plus 0.75%, as well as an annual commitment fee of 0.10% on the daily undrawn balance of the facility. No origination fees were incurred at the closing of the Credit Facility. In December 2016, the amount we are permitted to borrow under the Credit Facility was increased to $1.2 billion. In February 2018, the amount we are permitted to borrow under the Credit Facility was increased to $1.25 billion. In August 2018, we amended the Credit Facility to extend the term to August 2023 with respect to an aggregate of $1.05 billion of the $1.25 billion that we may borrow under the Credit Facility. As of December 31, 2018, no amounts were outstanding under the Credit Facility.