NewMarket announced that it has issued $250 million in senior unsecured notes with Prudential Capital Group. The proceeds will be used by the company and its subsidiaries to finance working capital needs, for general corporate purposes and to repay its short term borrowings under its revolving credit facility. The notes bear interest at the rate of 3.78% per year and mature in January 2029. Interest on the notes is payable semiannually and principal payments of $50 million are payable annually commencing in January 2025.