PARK ELECTROCHEMICAL CORP. ANNOUNCES DATE OF FISCAL YEAR EARNINGS RELEASE AND CONFERENCE CALL Melville, New York, April 21, 2005….Park Electrochemical Corp. (NYSE – PKE) today announced that it plans to release its financial results for its fiscal year 2005 fourth quarter and for its full fiscal year ended February 27, 2005 before the New York Stock Exchange opens on Tuesday, April 26, 2005. The Company will conduct a conference call to discuss such results at 11:00 a.m. EDT on the same day. Forward-looking and other material information may be discussed in this conference call. The conference call dial-in number is (800) 818-6852.For those unable to listen to the call live, a conference call replay will be available from approximately 2:00 p.m. EDT on Tuesday, April 26, 2005 through 11:59 p.m. EDT on Saturday, April 30, 2005. The conference call replay can be accessed by dialing (888) 203-1112 and entering passcode 4391315 and will be available on the Company’s web site at www.parkelectro.com under the caption “Investor Conference Calls”. Any additional material financial or statistical data disclosed in the conference call will also be available at the time of the conference call on the Company’s web site at www.parkelectro.com under the caption “Investor Conference Calls”. Park Electrochemical Corp. is a global advanced materials company which develops and manufactures high-technology digital and RF/microwave printed circuit materials and advanced composite materials for the electronics, military, aerospace, wireless communication and industrial markets. The Company’s manufacturing facilities are located in Singapore, China (currently under construction), France (two facilities), Connecticut, New York, Arizona and California. The Company operates under the FiberCote, Nelco and Neltec names.
