Stock price at close of market.

STOCK PRICE AT CLOSE OF MARKET
                                             Month      This      Year
                            Exchange:          Ago     Month       Ago
                            Ticker         4/29/05   5/31/05   5/28/04

CAPITAL EQUIPMENT, FARM MACHINERY

AGCO Corp.                  NYSE:AG          17.20     18.36     19.16
Ag Bag International        OTC BB:ABHG       0.18      0.15      0.45
Art's-Way                   NASDAQ:ARTW       5.41      6.27        NA
  Manufacturing Co.
CNH Global                  NYSE:CNH         17.96     17.83     19.28
Deere & Co.                 NYSE:DE          62.54     66.15     65.70
Fiat                        NYSE:FIA          6.62      6.75      7.06
Gehl Co.                    NASDAQ:GEHL      28.70     29.99     16.90
Kubota Corp.                NYSE:KUB         25.60     27.84     23.09
Lindsay Manufacturing Co.   NYSE:LNN         18.66     20.01     22.90
Titan International         NYSE:TWI         13.55     14.77     10.65
Trimble Navigation Ltd.     NASDAQ:TRMB      34.42     39.74     27.02
Twin Disc Inc.              NYSE:TDI         21.19     21.95     21.85
Valmont Industries Inc.     NYSE:VMI         23.26     23.95     20.80

SEED, BIOTECH, CROP PROTECTION

American Vanguard Corp.     AMEX:AVD         17.65     17.90     19.20
BASFAG                      NYSE:BF          64.90     66.40     51.20
Bayer CropScience           NYSE:BAY         32.25     33.83     28.86
Delta & Pine Land Co.       NYSE:DLP         25.20     27.00     23.18
Dow Chemical                NYSE:DOW         45.93     45.29     39.90
DuPont                      NYSE:DD          47.11     46.51     43.20
Eden Bioscience Corp.       NASDAQ:EDEN       0.66      0.60      1.10
FMC Corp.                   NYSE:FMC         49.00     55.45     40.57
HumaTech Inc.               OTC BB:HUMT       0.06      0.09      0.14
IGI Inc.                    AMEX:IG           1.13      1.25      2.10
Landec Corp.                NASDAQ:LNDC       6.40      6.00      7.06
Monsanto Co.                NYSE:MON         58.62     57.00     34.50
Syngenta                    NYSE:SYT         20.73     20.64     15.89

FINANCIAL

FBL Financial Group Inc.    NYSE:FFG         26.20     26.75     28.37
Federal Agricultural        NYSE:AGM         17.36     18.48     22.86
  Mortgage Corp.

PLANT NUTRIENTS, FERTILIZER

Agrium Inc.                 NYSE:AGU         17.80     18.89     13.16
Church & Dwight Co.         NYSE:CHD         36.02     36.16     30.27
Phosphate Resource          NYSE:PLP         12.85     13.08        NA
  Partners LP
Potash Corp. of             NYSE:POT         84.14     90.41     43.51
  Saskatchewan
Terra Industries Inc.       NYSE:TRA          6.90      6.35      4.63

ANIMAL HEALTH, GENETICS, FEED

Abbott Laboratories         NYSE:ABT         49.16     48.24     41.21
Alpharma Inc.               NYSE:ALO          9.44     12.87     19.58
Balchem Encapsulates        AMEX:BCP         24.00     27.70     17.40
Eli Lilly & Co.             NYSE:LLY         58.47     58.30     73.67
eMerge Interactive Inc.     NASDAQ:EMRG       0.61      0.50      1.95
Merck & Co. Inc.            NYSE:MRK         33.90     32.44     47.30
Neogen Corp.                NASDAQ:NEOG      14.33     14.48     15.83
Novartis                    NYSE:NVS         48.73     48.83     45.17
Pfizer Inc.                 NYSE:PFE         27.17     27.90     35.34
Schering-Plough Corp.       NYSE:SGP         20.87     19.50     16.90
Wyeth                       NYSE:WYE         44.94     43.37     36.00

FOOD/FIBER/GRAIN/INDUSTRIAL PROCESSORS

The Andersons Inc.          NASDAQ:ANDE      27.03     32.80     17.26
Archer Daniels              NYSE:ADM         17.99     19.85     16.63
  Midland Co.
Bunge Limited               NYSE:BG          56.80     62.04     37.14
Cal-Maine Foods Inc.        NASDAQ:CALM       6.87      6.49     13.80
ConAgra Inc.                NYSE:CAG         26.75     26.15     28.12
Corn Products               NYSE:CPO         22.02     22.09     21.69
  International Inc.
Dean Foods Inc.             NYSE:DF          34.36     38.97     35.30
Pilgrim's Pride Corp.       NYSE:PPC         36.09     35.25     26.88
Sanderson Farms Inc.        NASDAQ:SAFM      36.24     37.90     46.00
Smithfield Foods Inc.       NYSE:SFD         30.26     29.83     28.99
Tate & Lyle PLC             OTC BB:TATYY     34.95     35.00     22.50
Tyson Foods Inc.            NYSE:TSN         16.89     18.46     20.52

All stock prices have been adjusted for splits.