NEW YORK–(BUSINESS WIRE)–Arconic Inc. (“Arconic” or the “Company”) (NYSE: ARNC) announced today that all its outstanding 5.375% Class B Mandatory Convertible Preferred Stock, Series 1, par value $1.00 per share (“Class B preferred stock”), will automatically convert into shares of Arconic common stock at a rate of 15.6996 common shares per share of Class B preferred stock, with deemed effect on October 1, 2017, the mandatory conversion date. On October 2, 2017, the first business day followin