MAY 2011 INFORMATION

Fastenal Company and Subsidiaries (Fastenal) Release date: 6/3/11

Information Regarding Monthly Sales Amounts and Other Information

(Dollar amounts in thousands.)

Net sales and daily sales amounts for the month: 20112010Change

Net sales $ 232,046 180,258 28.7%

Business days 21 20 5.0%

Daily sales $ 11,050 9,013 22.6% See note below. Recap of cumulative daily sales change since January 20112010

Daily sales in January $ 9,658 8,133

Change in daily sales since January 14.4% 10.8%

Net sales growth (daily basis) for month: 20112010

Stores more than 10 years old* 16.4% 17.6% Stores more than 5 years old* 17.9% 17.3% Stores more than 2 years old* 19.2% 18.5% All locations regardless of age 22.6% 21.1%

* Age measured on the last day of the respective calendar year.

Definitions for above:

Net Sales - Net sales for the period indicated.

Daily Sales - Net sales for the period indicated divided by the number of business days.

Other information for month, quarter-to-date, year-to-date, or at month end:

Number of stores opened 2011 2010

Month

9

7

Quarter-to-date

20

8

Year-to-date

57

37

Total store count

2,542

2,400

Employee headcount at month end 2011 2010 Change

Total employee headcount 14,282 12,040 18.6% Absolute

Headcount

Full time equivalent (FTE) numbers for the period 2011 2010 Change Change

Store personnel - FTE 8,345 7,145 16.8% 16.8% Non-store selling personnel - FTE 860 583 47.5% 50.0% Selling personnel - FTE 9,205 7,728 19.1% 19.0%

Distribution and manufacturing personnel - FTE 2,222 1,910 16.3% 18.5% Administrative personnel - FTE 787 702 12.1% 14.2% Non-selling personnel - FTE 3,009 2,612 15.2% 17.5%

Total personnel - FTE 12,214 10,340 18.1% 18.6%

Commentary on sales growth and end markets:

Sales growth - The change in currencies in foreign countries (primarily Canada) relative to the United States dollar improved our daily sales growth rate by 1.1% during the month.

End market (daily sales change) - During the month, manufacturing customers grew 18.7% and non-residential construction customers grew 17.7%. The added growth noted above was driven by strong performance in our reseller and service end markets, as well as our international markets.

Next monthly sales release date: Tuesday, July 12, 2011 at 7:00 AM (central time)

Next earnings release date: Tuesday, July 12, 2011 at 7:00 AM (central time)