PLAB - Photronics Inc. 2020 Q4 - Results - Earnings Call Presentation December, 10 2020 02:10 AM Photronics Inc. The following slide deck was published by Photronics, Inc. in conjunction with their 2020 Q4 earnings call. For further details see: Photronics, Inc. 2020 Q4 - Results - Earnings Call Presentation