1 EXHIBIT 12 NETWORK PLUS CORP. COMPUTATION OF RATIOS RATIO OF EARNINGS TO FIXED CHARGES NINE MONTHS ENDED YEAR ENDED DECEMBER 31, SEPTEMBER 30, ------------------------------------------ ----------------- 1993 1994 1995 1996 1997 1997 1998 ----- -------- ------ ----- ------ ------- ------- EARNINGS Net income (loss) before income taxes................ 45 3,019 4,007 1,475 (3,149) (1,404) (1,844) Fixed charges................. 5 2 40 313 557 330 1,379 ----- -------- ------ ----- ------ ------ ------ Total Earnings...... 50 3,021 4,047 1,788 (2,592) (1,144) (465) FIXED CHARGES Interest expense.............. 5 2 40 313 557 330 781 Preferred stock dividends and accretion of issuance costs and discount................ -- -- -- -- -- -- 598 ----- -------- ------ ----- ------ ------ ------ Total Fixed Charges........... 5 2 40 313 557 330 1,379 RATIO OF EARNINGS TO FIXED CHARGES............... 10.0x 1,510.5x 101.2x 5.7x (4.7)x (3.5)x (0.3)x