BROOKFIELD, Conn.--(BUSINESS WIRE)--Photronics, Inc. (NASDAQ:PLAB) today announced that it will enter into separate, privately negotiated exchange agreements under which it will exchange $57.5 million in aggregate principal amount of its outstanding 3.25% Convertible Senior Notes due 2016 (the "2016 Notes") for its issuance of a new series of 3.25% Convertible Senior Notes due 2019 (the "2019 Notes") in an aggregate original principal amount of $57.5 million. The 2019 Notes will mature on April