EXHIBIT 12 PARK ELECTROCHEMICAL CORP. AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (IN THOUSANDS, EXCEPT RATIOS) FISCAL YEAR ENDED NINE MONTHS ENDED ------------------------------------------ ----------------- MAR. 3, MAR. 1, FEB. 28, FEB. 27, FEB. 26, NOV. 26, 1991 1992 1993 1994 1995 1995 ------- ------- -------- -------- -------- ----------------- Earnings before income taxes and extraordinary item................... $2,907 $1,923 $3,075 $12,845 $27,501 $27,207 Add: Interest on indebtedness.......... 2,866 2,758 2,203 2,595 552 91 Portion of rent representative of interest factor....... 472 488 585 714 742 567 ------ ------ ------ ------- ------- ------- Earnings as adjusted.... $6,245 $5,169 $5,863 $16,154 $28,795 $27,865 ====== ====== ====== ======= ======= ======= Fixed Charges: Interest on indebtedness.......... $3,116 $2,915 $2,626 $ 2,588 $ 431 $ -- Portion of rent representative of interest factor....... 472 488 585 714 742 567 ------ ------ ------ ------- ------- ------- Total fixed charges..... $3,588 $3,403 $3,211 $ 3,302 $ 1,173 $ 567 ====== ====== ====== ======= ======= ======= Ratio of earnings to fixed charges (1)...... 1.74 1.52 1.83 4.89 24.55 49.14 ====== ====== ====== ======= ======= ======= - -------- (1) For the purpose of calculating the ratio of earnings to fixed charges, (i) earnings consist of consolidated earnings before income taxes plus fixed charges and (ii) fixed charges consist of interest expense incurred and the portion of rental expense under leases deemed by the Company to be representative of the interest factor.