Comparison of revenue and net income for selected trade and business information companies, first nine months, 2005.

Comparison of Revenue and Net Income for Selected
Trade and Business Information Companies, First Nine
Months, 2005

                              Revenue (000)
Company              2005         2004     % Ch

Thomson Corp.     6,299,000    5,771,000    +9.1
Rogers Comm.      4,637,102    3,495,544   +32.7
McGraw-Hill       4,462,000    3,888,705   +14.8
Knight-Ridder     2,184,131    2,145,842    +1.8
Dow Jones         1,287,506    1,234,303    +4.3
Moody's           1,258,400    1,046,700   +20.2
Equifax           1,082,100      945.200   +14.5
D&B                 775,900      718.500    +8.0
Gartner             699,704      638.412    +9.6
John Wiley (1)      499,432      473.989    +5.4
Scholastic (2)      498,400      323.700   +54.0
CNET                245,524      201.944   +21.6
Advanstar           232,253      219.673    +5.7
Penton Media        148,131      143.560    +3.5
Ziff Davis          129,853      139.462    -6.9

Totals:          23,181,036   21,386,534    +8.4
Totals w/o       23,051,183   21,247,072    +8.5
 Ziff Davis

                        Net Income (000)
Company             2005         2004      % Ch

Thomson Corp.      684,000      573,000    +19.4
Rogers Comm.        19,100      (32,950)
McGraw-Hill        654,944      566,373    +15.8
Knight-Ridder      388,092      219,079    +77.1
Dow Jones           19,214       63,924    -69.9
Moody's            410,700      302,500    +35.8
Equifax            183,700      177,200     +3.7
D&B                130,900      136,800     -4.3
Gartner            (17,247)      11,652
John Wiley (1)      54,861       46,343    +18.4
Scholastic (2)     (21,200)     (50,500)
CNET                 4,748        2,458    +93.2
Advanstar           26,860      (21,529)
Penton Media        (3,732)     (65,524)
Ziff Davis         (88,066)     (67,074)

Totals:          2,446,874    1,861,752    +31.4
Totals w/o       2,534,940    1,928,826    +31.4
 Ziff Davis

(1)--Second quarter ending Oct. 31. (2)--First quarter ending August
31, 2005.