 ATLANTA--BUSINESS WIRE--Ciner Resources LP NYSE: CINR we, us, our, or the Partnership today reported its financial and operating results for the fourth quarter ended December 31, 2020. Fourth Quarter and Year Ended 2020 Financial Highlights: Net sales of 103.4 million decreased 17.5 over the prior-year fourth quarter; year-end net sales of 392.2 million decreased 25.0 over the prior-year. Soda ash volume produced and sold decreased 0.3 and 14.8, respectively, over the prior- 