COMPARISON OF STOCK PRICES FOR SELECTED TRADE AND BUSINESS INFORMATION COMPANIES, 1/1/01-7/1/01.

COMPARISON OF STOCK PRICES
FOR SELECTED TRADE AND BUSINESS
INFORMATION COMPANIES, 1/1/01-7/1/01
Company                          1/1/01     7/1/01  Net Change
Dow Jones (NY)                  $ 57.75    $ 59.71  +$  1.96
Dun & Bradstreet (NY)             26.44      28.20  +   1.76
Equifax (NY)                      29.06      36.68  +   7.62
Info. Holdings (NY)               26.06      32.30  +   6.24
Knight-Ridder (NY)                58.44      59.30  +   0.86
McGraw-Hill (NY)                  60.56      66.15  +   5.59
Moody's (NY)                      28.00      33.50  +   5.50
Penton Media (NY)                 25.56      17.50  -   8.06
Primedia (NY)                     11.94       6.79  -   5.15
Rogers Comm. (NY)                 19.19      15.15  -   4.04
John Wiley & Sons (NY)            19.50      23.65  +   4.15
CNET (NQ)                         14.63      13.00  -   1.63
Hungry Minds (NQ)                  5.75       6.82  +   1.07
Info. Resources (NQ)               3.69      10.34  +   6.65
Scholastic (NQ) 1                 43.82      45.00  +   1.18
United Business Media (NQ) 1      10.00       8.22  -   1.78
Value Line (NQ)                   35.00      42.22  +   7.22
VerticalNet (NQ)                   6.00       2.49  -   3.51
Thomson (T)                       37.19      33.80  -   3.39
Torstar (T)                       13.02      12.81  -   0.21
Reed Int. (L)                      9.22       8.92  -   0.30
Reuters (L)                       15.61      13.06  -   2.55
Elsevier (AM)                     13.25      12.50  -   0.75
VNU (AM)                          51.58      34.01  -  17.57
Wolters Kluwer (AM)               26.35      27.00  +   0.65
Totals:                          647.60     649.12  +   1.52
DJIA:                         10,652.66  10,502.40  - 150.26
Company                       % Change
Dow Jones (NY)                +   3.4%
Dun & Bradstreet (NY)         +   6.7
Equifax (NY)                  +  26.2
Info. Holdings (NY)           +  23.9
Knight-Ridder (NY)            +   1.5
McGraw-Hill (NY)              +   9.2
Moody's (NY)                  +  19.6
Penton Media (NY)             -  31.5
Primedia (NY)                 -  43.1
Rogers Comm. (NY)             -  21.1
John Wiley & Sons (NY)        +  21.3
CNET (NQ)                     -  11.1
Hungry Minds (NQ)             +  18.6
Info. Resources (NQ)          + 180.2
Scholastic (NQ) 1             +   2.7
United Business Media (NQ) 1  -  17.8
Value Line (NQ)               +  20.6
VerticalNet (NQ)              -  58.5
Thomson (T)                   -   9.1
Torstar (T)                   -   1.6
Reed Int. (L)                 -   3.3
Reuters (L)                   -  16.3
Elsevier (AM)                 -   5.7
VNU (AM)                      -  34.1
Wolters Kluwer (AM)           +   2.5
Totals:                       +   0.23%
DJIA:                         -   1.41%
NY-Mew York Stock Exchange; NQ-NASDQ;
T-Toronto; L-London; AM-Amsterdam.
(1.)Totals adjusted for stock split.