On December 4, 2018, Park Electrochemical Corp. completed the previously announced sale of its digital and radio frequency/microwave printed circuit materials business (collectively, the “Electronics Business”), including manufacturing facilities in Singapore, France, Arizona and California and R&D facilities in Arizona and Singapore, to AGC Inc. Effective as of the closing of the Sale, Christopher T. Mastrogiacomo, the former President and Chief Operating Officer of Park, resigned from employment with Park. Mr. Mastrogiacomo is a “Transferred Employee”.