EXHIBIT 12.01 PORTOLA PACKAGING, INC. COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (IN THOUSANDS) FISCAL YEAR ENDED AUGUST 31, ------------------------------------------------- 1998 1997 1996 1995 1994 --------- --------- --------- --------- --------- Fixed Charges Interest expense.............................. $13,795 $13,379 $13,084 $8,658 $3,996 Debt financing costs.......................... 484 559 492 447 1,058 Rent expense.................................. 564 638 635 499 465 --------- --------- --------- --------- --------- Total interest.............................. 14,843 14,576 14,211 9,604 5,519 Total fixed costs............................... 14,843 14,576 14,211 9,604 5,519 Less: Capitalized interest...................... -- -- -- -- -- --------- --------- --------- --------- --------- Net fixed charges........................... $14,843 $14,576 $14,211 $9,604 $5,519 ========= ========= ========= ========= ========= Earnings: Net income (loss)............................. ($4,411) ($7,411) ($9,442) $140 $225 Income tax benefit from extraordinary item.... -- -- (845) -- (539) Cumulative effect of adopting SFAS No. 109.... -- -- -- -- 85 Income tax provision (benefit)................ (571) (632) 865 1,294 1,095 Net fixed charges............................. 14,843 14,576 14,211 9,604 5,519 --------- --------- --------- --------- --------- Total earnings.............................. $9,861 $6,533 $4,789 $11,038 $6,385 ========= ========= ========= ========= ========= Calculation of ratio of earnings to fixed charges: Total earnings................................ $9,861 $6,533 $4,789 $11,038 $6,385 Total fixed charges........................... $14,843 $14,576 $14,211 $9,604 $5,519 Ratio of earnings to fixed charges............ 1.15 1.16 Deficiency of earnings to fixed charges....... ($4,982) ($8,043) ($9,422)