 PITTSBURGH--BUSINESS WIRE--PPG NYSE:PPG today announced the following details for its fourth quarter and full-year 2021 earnings release and teleconference call. Earnings release: Thursday, Jan. 20, after U.S. stock markets close Teleconference: Friday, Jan. 21, 8 a.m. ET PPG participants: Michael H. McGarry, chairman and chief executive officer Vincent J. Morales, senior vice president and chief financial officer John Bruno, vice president, investor relations Dial-in registra 