 MAYFIELD HEIGHTS, Ohio--BUSINESS WIRE--Materion Corporation NYSE: MTRN today reported fourth quarter and full-year 2020 financial results, provided first quarter 2021 earnings guidance, and provided an update on key strategic initiatives. Fourth Quarter 2020 Highlights Net sales were 339.7 million compared to 287.2 million in the third quarter; value-added sales increased 14 sequentially to 190.8 million Net income of 0.39 per share, diluted; adjusted earnings of 0.70 per share inclu 