1 EXHIBIT 12.1 Penton Media Inc. Ratio of Earnings to Fixed Charges (Dollars in thousands) Six Months Ended Twelve Months Ended December 31, June 30, 1996 1997 1998 1999 2000 2000 ---- ---- ---- ---- ---- ---------- Income from continuing operations before income taxes, adjustment for minority interests in consolidated subsidiaries and income or loss from equity investees $ 17,680 $ 25,069 $ 20,666 $ 23,447 $ 140,068 $ 132,593 Fixed Charges: Interest expense 3 686 5,545 21,558 19,486 8,656 Amortization of deferred finance fees - - 184 1,597 302 147 Rental expense interest factor 1,780 1,826 1,909 2,488 2,812 1,370 ---------- --------- --------- -------- --------- ---------- Total Fixed Charges 1,783 2,512 7,638 25,643 22,600 10,173 ---------- --------- --------- -------- --------- ---------- Income from continuing operations before income taxes, adjustment for minority interests in consolidated subsidiaries and income or loss from equity investees plus fixed charges $ 19,463 $ 27,581 $ 28,304 $ 49,090 $162,668 $142,766 ========== ========= ========= ======== ======== ========== Ratio of Earnings to Fixed Charges 10.9x 11.0x 3.7x 1.9x 7.2x 14.0x Pro Forma Ratio of Earnings to Fixed Charges After Adjustment for Issuance of Senior Subordinated Notes Twelve Months Ended December 31, 2000 ------------------ Income from continuing operations before income taxes, adjustment for minority interests in consolidated subsidiaries and income or loss from equity investees plus fixed charges $162,668 Fixed charges, as above 22,600 Adjustments: Estimated net increases in interest expense and amortization of deferred financing fees from issuance of senior subordinated notes $13,326 ------ Total Pro Forma Fixed Charges $35,926 ====== Pro Forma Ratio of Earnings to Fixed Charges 4.5x On a historical and pro forma basis, earnings were insufficient to cover fixed charges by $4.9 million and $8.5 million, respectively, for the six months ended June 30, 2001 and consequently have not been disclosed.