FAST Q1 2025 Earnings Report

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Fastenal Company Reports 2025 First Quarter Earnings 2025-04-11 WINONA, Minn.--(BUSINESS WIRE)-- Fastenal Company (Nasdaq:FAST) (collectively referred to as 'Fastenal' or by terms such as 'we', 'our', or 'us'), a leader in the wholesale distribution of industrial and construction supplies, today announced its nancial results for the quarter ended March 31, 2025. Except for share and per share information, or as otherwise noted below, dollar amounts are stated in millions. Throughout this document, percentage and dollar calculations, which are based on non-rounded dollar values, may not be able to be recalculated using the dollar values included in this document due to the rounding of those dollar values. References to daily sales rate (DSR) change may reect either growth (positive) or contraction (negative) for the applicable period. PERFORMANCE SUMMARY Three-month Period 2025 2024 Change Net sales $ 1,959.41,895.1 3.4%Business days 63 64Daily sales $ 31.1 29.6 5.0%Gross prot $ 883.9 861.6 2.6%% of net sales 45.1% 45.5%Selling, general, and administrative (SG&A) expenses$ 490.0 471.4 3.9%% of net sales 25.0% 24.9%Operating income $ 393.9 390.2 0.9%% of net sales 20.1% 20.6%Income before income taxes $ 393.1 389.8 0.8%% of net sales 20.1% 20.6%Net income $ 298.7 297.7 0.3%Diluted net income per share $ 0.52 0.52 0.2%Note – Daily sales are dened as the total net sales for the period divided by the number of business days (in the U.S.) in the period. QUARTERLY RESULTS OF OPERATIONS Sales Net sales increased $64.3, or 3.4%, in the rst quarter of 2025 when compared to the rst quarter of 2024. There was one less selling day in the rst quarter of 2025 relative to the prior year period and, taking this into consideration, our net daily sales increased 5.0% in the rst quarter of 2025 compared to the rst quarter of 2024. This was helped by the absence of Good Friday in March of 2025. Excluding these eects, results reected contribution from improved customer contract signings over the past twelve months, which was partially oset by sluggish underlying business activity. Changes in foreign exchange rates negatively aected sales in the rst quarter 1

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of 2025 by approximately 50 basis points as compared to having an immaterial impact in the rst quarter of 2024. We experienced an increase in unit sales in the rst quarter of 2025. This was due to a growth in the number of customer sites spending $10K or more per month with Fastenal and, to a lesser degree, growth in average monthly sales per customer site across all customer spend categories. The impact of product pricing on net sales was not material in the rst quarter of 2025 and 2024. Price levels remained relatively stable in the rst quarter of 2025. From a product standpoint, we have three categories: fasteners, including fasteners used in original equipment manufacturing (OEM) and maintenance, repair, and operations (MRO), safety supplies, and other product lines, the latter of which includes eight smaller product categories, such as tools, janitorial supplies, and cutting tools. With industrial production still sluggish in the rst quarter of 2025, the performance of our fastener product line continued to lag our non-fastener product lines. The fastener category experienced growth in the rst quarter of 2025 after seven consecutive at or declining quarters. This was driven by easier comparisons and increased contribution from large customer signings. We achieved growth in our safety category reecting the lower volatility of PPE demand, which tends to be utilized in more MRO than OEM applications, growth of our vending installed base, and success with warehousing and data center customers. Other product lines experienced growth from MRO-oriented lines, such as electrical and janitorial, rather than from OEM-oriented lines, such as cutting tools and welding/abrasives, reecting continued soft manufacturing demand. The DSR change when compared to the same period in the prior year and the percent of sales in the period were as follows: DSR Change Three-month Period% of Sales Three-month Period 2025 2024 2025 2024 OEM fasteners 3.9% -4.0% 19.4%19.6% MRO fasteners -3.3%-5.1% 10.9%11.9% Total fasteners 1.1% -4.4% 30.3%31.5%Safety supplies 7.1% 8.3% 22.0%21.6% Other product lines 6.7% 3.9% 47.7%46.9% Total non-fasteners 6.8% 5.2% 69.7%68.5% From an end market standpoint, we have four categories: heavy manufacturing, other manufacturing, non- residential construction, and other, the latter of which includes reseller, government/education, and transportation/warehousing. Our manufacturing end markets outperformed primarily due to the relative strength we are experiencing with key account customers with signicant managed spend where our service model and technology are particularly impactful. This disproportionately benets manufacturing customers. Other end market sales were favorably impacted by growth with warehousing and storage, and data center customers, which was partially oset by declining sales with resellers. The DSR change when compared to the same period in the prior year and the percent of sales in the period were as follows: 2

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DSR Change Three-month Period% of Sales Three-month Period 2025 2024 2025 2024 Heavy manufacturing 4.8% 2.7% 43.4%43.4% Other manufacturing 9.7% 2.5% 33.0%31.6% Total manufacturing 6.8% 2.6% 76.4%75.0%Non-residential construction -3.4%-6.6% 7.8% 8.5% Other end markets 0.8% 3.9% 15.8%16.5% Total non-manufacturing -0.6%0.0% 23.6%25.0% From a customer standpoint, we have two categories: contracts, which include national multi-site, local and regional, and government customers with signicant revenue potential, and non-contracts, which include all other customers. Sales with our contract customers continue to outperform as we realize incremental sales from implementing strong customer signings that we have achieved over the last 12 months, which was partially oset by subdued business activity. Non-contract customers tend to be smaller and utilize fewer of our tools and capabilities, providing fewer avenues for share gains and therefore more closely reect business trends, which remain sluggish. The DSR change when compared to the same period in the prior year and the percent of sales in the period were as follows: DSR Change Three-month Period% of Sales Three-month Period 2025 2024 2025 2024 Contract sales 8.5% 7.2% 73.1%70.6%Non-contract sales -3.6%-8.8% 26.9%29.4% Supplemental Data Prior to 2025, our disclosed metrics primarily addressed development of capabilities, including branch openings, geographic expansion, growth of national accounts, growth of non-fastener products, FMI installations, and Onsite signings, to name a few. The data provided in the chart below measures the number of customer sites that are served throughout our in-market network, categorizing them by monthly customer spend categories and end market, and the sales and average sales per site. We believe this supplemental information may be useful to investors in evaluating Fastenal's business trends and whether and to what degree we are being successful, and we intend to disclose this information quarterly going forward until management determines otherwise. Historical end market sales have been updated in the table below to categorize by customer site and may not be able to be recalculated due to the rounding of those dollar values. The prior three years of quarterly customer site data can be found at the end of this document. 3

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Three-month period2025 Three-month period2024 Customer Sites (#)(1) (2) SalesMo. Sales per Customer Site(3)Customer Sites (#)(1) (2) SalesMo. Sales per Customer Site(3) Manufacturing $50K+/Mo.(4) 2,114$ 874.0$ 137,8111,987$ 819.2$ 137,427$10K+/Mo. 8,500 1,293.150,710 8,263 1,230.049,619$5K-$10K/Mo. 4,451 95.5 7,152 4,448 95.3 7,142<$5K/Mo. 30,308 101.7 1,119 31,999 104.7 1,091 Other sales(5) — 2.7 — — 11.1 — Total manufacturing sales43,259$ 1,493.0$ 11,484 44,710$ 1,441.1$ 10,661 Non-manufacturing $50K+/Mo.(4) 388$ 136.6$ 117,354 353$ 116.0$ 109,537$10K+/Mo. 2,918 288.5 32,956 2,890 265.7 30,646$5K-$10K/Mo. 2,749 58.2 7,057 2,888 60.8 7,018<$5K/Mo. 52,118 109.7 702 59,156 116.3 655 Other sales(5) — 10.0 — — 11.2 — Total non-manufacturing sales57,785$ 466.4$ 2,633 64,934$ 454.0$ 2,273 Total $50K+/Mo.(4) 2,502$ 1,010.6$ 134,6392,340$ 935.1$ 133,205$10K+/Mo. 11,4181,581.646,173 11,1531,495.744,702$5K-$10K/Mo. 7,200 153.8 7,120 7,336 156.2 7,097<$5K/Mo. 82,426 211.4 855 91,155 221.0 808 Other sales(5) — 12.6 — — 22.2 — Total net sales 101,044$ 1,959.4$ 6,422 109,644$ 1,895.1$ 5,694 (1)Customer sites represent the number of customer locations served by our in-market network. Individual customers with multiple locations acrossmultiple in-market locations will have multiple customer sites.(2)Customer sites are an average of the number of customer sites calculated each month.(3)Monthly sales per customer site totals do not include the sales from other sales lines, as there is no customer site count associated with it. Thiscolumn is not rounded to the millions and represents the exact dollar amount.(4)$50K+ customer sites are disclosed as a representation of Onsite-like customers and are also a subset of $10K+ customer sites.(5)Other sales represent impacts to sales that are not tied to a specic site or in-market location. This includes certain service fees, cash sales, directproduct sales, etc. FMI Technology comprises our FASTStock℠ (scanned stocking locations), FASTBin® (infrared, RFID, and scaled bins), and FASTVend® (vending devices) oerings. FASTStock's fulllment processing technology is not embedded, is relatively less expensive and highly exible in application, and is delivered using our proprietary mobility technology. FASTBin and FASTVend incorporate highly ecient and powerful embedded data tracking and fulllment processing technologies. The rst statistic is a weighted FMI® measure, which combines the signings and installations of FASTBin and FASTVend in a standardized machine equivalent unit (MEU) based on the expected output of each type of device. We do not include FASTStock in this measurement because scanned stocking locations can take many forms, such as bins, shelves, cabinets, pallets, etc., that cannot be converted into a standardized MEU. The second statistic is sales through FMI Technology, which combines the sales through FASTStock, FASTBin, and FASTVend. A portion of the growth in sales experienced by FMI, particularly FASTStock and FASTBin, reects the migration of products from less ecient non-digital stocking locations to more ecient, digital stocking locations. We signed 6,418 weighted FASTBin and FASTVend devices in the rst quarter of 2025. Our goal for weighted FASTBin and FASTVend device signings in 2025 remains between 28,000 to 30,000 MEUs. 4

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The table below summarizes signings and installations of our FMI devices and sales through our FMI devices, eBusiness(1) tools, and Digital Footprint(2). Three-month Period 2025 2024 DSR Change(3) Weighted FASTBin/FASTVend signings (MEUs)6,418 6,726 -4.6%Signings per day 102 105Weighted FASTBin/FASTVend installations (MEUs; end of period)129,996115,653 12.4%FASTStock sales $ 239.1 239.8 1.3% % of sales 12.1% 12.5% FASTBin/FASTVend sales $ 619.9 556.9 13.1% % of sales 31.3% 29.0% FMI sales $ 859.0 796.7 9.5% FMI daily sales $ 13.6 12.4 % of sales 43.3% 41.5% eBusiness sales $ 607.6 549.3 12.9% % of sales 30.7% 28.6% Less: eBusiness and FMI sales overlap$ 258.6 210.6 24.8%% of sales 13.1% 11.0% Digital Footprint sales $ 1,208.01,135.4 8.3% % of sales 61.0% 59.2% (1)Our eBusiness includes eProcurement activities, which are integrated transactions, including electronic data interchange (EDI), and eCommerce(transactional website sales).(2)Digital Footprint is a combination of our sales through FMI (FASTStock, FASTBin, and FASTVend) plus that portion of our eBusiness sales that doesnot represent billings of FMI services.(3)Weighted FASTBin/FASTVend signings and installations reects the percent change compared to the same period in the prior year. Gross Prot Our gross prot, as a percentage of net sales, decreased to 45.1% in the rst quarter of 2025 from 45.5% in the rst quarter of 2024. Our gross prot percentage was primarily impacted by three factors. First, customer and product mix diluted our gross prot percentage. This reects relatively stronger growth from large customers, including Onsite-like customers, and non-fastener products, each of which tend to have a lower gross prot percentage than our business as a whole. Second, we experienced higher eet and transportation costs due to ination in vehicle costs as we cycle our eet and in third-party freight costs. Third, the aforementioned negative eects on our gross prot percentage were partly oset by increases in supplier incentives due to expanding spend with key suppliers. SG&A Expenses Our SG&A expenses, as a percentage of net sales, were 25.0% in the rst quarter of 2025 versus 24.9% in the rst quarter of 2024. Our ability to leverage was impacted by having one less selling day in the rst quarter of 2025 as compared to the rst quarter of 2024, as operating expenses are not managed around monthly selling days. We 5

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also experienced growth in SG&A of 3.9% in the rst quarter of 2025 versus net sales growth of 3.4% in the same period. Employee-related expenses, which represent 70% to 75% of total SG&A expenses, increased 2.3% in the rst quarter of 2025 compared to the rst quarter of 2024. We experienced a modest increase in employee base pay due to higher average FTE and, to a lesser degree, higher average wages during the period, as well as higher health insurance costs. This was partly oset by lower incentive pay and prot sharing expense versus the rst quarter of 2024. Occupancy-related expenses, which represent 15% to 20% of total SG&A expenses, increased 6.3% in the rst quarter of 2025 compared to the rst quarter of 2024. This was primarily a result of increases in a number of cost categories, including general ination in branch rental costs and utilities, incremental depreciation and other costs associated with hub investments and upgrades, and slightly higher depreciation from an increase in the installed base of FMI hardware. Combined, all other SG&A expenses, which represent 10% to 15% of total SG&A expenses, increased 10.4% in the rst quarter of 2025 compared to the rst quarter of 2024. Selling-related transportation costs were higher, reecting higher lease costs as we refreshed our eet of pick-ups, which were partially oset by lower fuel expense. We had relatively smaller increases in bad debt expense, information technology (IT) expenses, sales-related travel expense, and realized losses on currency conversion, which were partially oset by increases in joint marketing eorts with our suppliers. Operating Income Our operating income, as a percentage of net sales, decreased to 20.1% in the rst quarter of 2025 from 20.6% in the rst quarter of 2024. Net Interest We had lower interest income reecting a reduction in capital being invested in higher-earning short-term instruments during the period. We had lower interest expense as a result of slightly lower borrowings through the rst quarter of 2025. The greater reduction in interest income relative to interest expense resulted in our generating net interest expense of $0.8 in the rst quarter of 2025, compared to $0.4 in the rst quarter of 2024. Income Taxes We recorded income tax expense of $94.4 in the rst quarter of 2025, or 24.0% of income before income taxes. 6

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Income tax expense was $92.1 in the rst quarter of 2024, or 23.6% of income before income taxes. We believe our ongoing tax rate, absent any discrete tax items or broader changes to tax law, will be approximately 24.5%. Our tax rate in the rst quarter of 2025 and the rst quarter of 2024 was below our expected ongoing tax rate due to the tax benets associated with the exercise of stock options during each period. Net Income Our net income during the rst quarter of 2025 was $298.7, an increase of 0.3% compared to the rst quarter of 2024. Our diluted net income per share was $0.52 in the rst quarter of 2025, compared to $0.52 in the rst quarter of 2024. BALANCE SHEET AND CASH FLOW Net cash provided by operating activities was $262.2 in the rst quarter of 2025, a decrease of 21.8% from the rst quarter of 2024, representing 87.8% of the period's net income versus 112.7% in the rst quarter of 2024. The decrease in operating cash ow, as a percent of net income, primarily reects our operating assets and liabilities being a more signicant use of cash in the rst quarter of 2025 as compared to a modest use of cash in the rst quarter of 2024. The dollar and percentage change in accounts receivable, net, inventories, and accounts payable as of March 31, 2025 when compared to March 31, 2024 were as follows: March 31 Twelve-month Dollar ChangeTwelve-month Percentage Change 2025 2024 2025 2025 Accounts receivable, net$ 1,278.7 1,213.2$ 65.5 5.4% Inventories 1,673.9 1,496.3 177.5 11.9% Trade working capital $ 2,952.6 2,709.5$ 243.0 9.0% Accounts payable $ 341.1 276.0$ 65.1 23.6% Trade working capital, net$ 2,611.5 2,433.5$ 177.9 7.3% Net sales in last three months$ 1,959.4 1,895.1$ 64.3 3.4%Note - Amounts may not foot due to rounding dierence. The increase in our accounts receivable balance in the rst quarter of 2025 was primarily attributable to growth in sales with our customers, including relative growth with larger customers that tend to carry longer payment terms. The increase in our inventory balance in the rst quarter of 2025 was primarily attributable to three factors. First, we added inventory to support projected growth in our business and, to a lesser extent, the anticipated impact of taris. Second, our inventory increased as a result of growth in sales with certain customers and the addition of stock to ensure we can support their future growth. Third, we added inventory to support our fastener expansion 7

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and optimal package quantity initiatives, which are intended to improve service to our in-market locations and generate eciencies in our hubs. The increase in our accounts payable balance in the rst quarter of 2025 was primarily attributable to an increase in our product purchases as reected in the growth in inventories. During the rst quarter of 2025, our investment in property and equipment, net of proceeds from sales, was $53.8, which was a slight increase from $48.3 in the rst quarter of 2024. This was primarily related to an increase in spending for facility construction and upgrades, FMI hardware to support growth in our installed base, IT and manufacturing. For 2025, we continue to expect our investment in property and equipment, net of proceeds from sales, to be within a range of $265.0 to $285.0, an increase from $214.1 in 2024. This increase reects three items. First, we expect higher distribution center spending to complete our upgraded Utah hub, begin construction on a new Atlanta hub, and improve our picking capacity and eciency across our hub network. Second, we expect elevated IT spending as projects that were expected in 2024 experienced delays and will occur in 2025. Third, we expect greater outlays for FMI hardware reecting an increase in our targeted signings. During the rst quarter of 2025, we returned $246.7 to our shareholders in the form of dividends, compared to the rst quarter of 2024 when we returned $223.2 to our shareholders in the form of dividends. We did not repurchase any of our common stock in either period. Total debt on our balance sheet was $200.0 at the end of the rst quarter of 2025, or 5.1% of total capital (the sum of stockholders' equity and total debt). This compares to $200.0, or 5.5% of total capital, at the end of the rst quarter of 2024. ADDITIONAL INFORMATION The table below summarizes our absolute and full time equivalent (FTE; based on 40 hours per week) employee headcount, number of branch locations, number of $50K+ customer sites, and weighted FMI devices at the end of the periods presented and the percentage change compared to the end of the prior periods. ChangeSince: ChangeSince:Q12025 Q42024 Q42024 Q12024 Q12024 Selling personnel - absolute employee headcount(1) 16,99516,6692.0% 16,7261.6%Selling personnel - FTE employee headcount(1) 15,23615,0141.5% 15,0641.1%T l l bl l hd 24181 23702 20% 23695 21% 8

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Total personnel - absolute employee headcount24,18123,7022.0% 23,6952.1%Total personnel - FTE employee headcount21,33920,9581.8% 20,9351.9%Number of branch locations 1,587 1,597-0.6% 1,592-0.3%Number of $50K+ customer sites2,502 2,330 7.4% 2,340 6.9%Weighted FMI devices (MEU installed count)129,996126,9572.4% 115,65312.4% (1)In the fourth quarter of 2024, we realigned certain employees as a result of a routine review of our organizational structure. While there is nochange to total absolute or total FTE headcount, it produces minor shifts between headcount categories. Historical numbers have been adjusted toreect this realignment. During the last twelve months, we increased our total FTE employee headcount by 404. Our total FTE selling and sales support personnel increased by 172. This increase reects additions of FTE to support growth in our Onsite locations, partially oset by a reduction of personnel at our branch locations reecting both shifts to Onsite locations and tight management of headcount given sluggish business conditions. We had an increase in our distribution and transportation FTE personnel of 98 to support increased product throughput at our distribution facilities. We had an increase in our remaining FTE personnel of 134 which related primarily to personnel investments in manufacturing, quality control, IT, and business analytics. CONFERENCE CALL TO DISCUSS QUARTERLY RESULTS As we previously disclosed, we will host a conference call today to review the quarterly results, as well as current operations. This conference call will be broadcast live over the Internet at 9:00 a.m., central time. To access the webcast, please go to our Investor Relations Website at https://investor.fastenal.com/events.cfm. ADDITIONAL MONTHLY AND QUARTERLY INFORMATION We publish on the 'Investor Relations' page of our website at www.fastenal.com both our monthly consolidated net sales information and the presentation for our quarterly conference call (which includes information, supplemental to that contained in our earnings announcement, regarding results for the quarter). We expect to publish the consolidated net sales information for each month, other than the third month of a quarter, at 6:00 a.m., central time, on the fourth business day of the following month. We expect to publish the consolidated net sales information for the third month of each quarter and the conference call presentation for each quarter at 6:00 a.m., central time, on the date our earnings announcement for such quarter is publicly released. ANNUAL MEETING OF SHAREHOLDERS WEBCAST On Thursday, April 24, 2025, we will be holding our Annual Meeting of Shareholders (the 'Annual Meeting') at the Remlinger Muscle Car Museum located at 3560 Service Drive, Winona, Minnesota. The Annual Meeting will be webcast from 10:00 a.m., central time, until the conclusion of the meeting. To access the webcast, please go to the Fastenal Company Investor Relations Website at https://investor.fastenal.com/events.cfm. 9

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FORWARD LOOKING STATEMENTS Certain statements contained in this document do not relate strictly to historical or current facts. As such, they are considered 'forward-looking statements' that provide current expectations or forecasts of future events. These forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements can be identied by the use of terminology such as anticipate, believe, should, estimate, expect, intend, may, will, plan, goal, project, hope, trend, target, opportunity, and similar words or expressions, or by references to typical outcomes. Any statement that is not a historical fact, including estimates, projections, future trends, and the outcome of events that have not yet occurred, is a forward-looking statement. Our forward-looking statements generally relate to our expectations and beliefs regarding the business environment in which we operate, our projections of future performance, our perceived marketplace opportunities including our prospects to capture long-term value from certain warehousing customers and the related end market, our strategies, goals, mission, and vision, and our expectations about future capital expenditures, future tax rates, future inventory levels, pricing, weighted FMI device signings, future sales attributable to our Digital Footprint, investment in property and equipment, the impact of ination or deation on our cost of goods, controlling SG&A expenses including FTE growth, future traditional branch closures and openings, the impact of uctuations in freight and shipping costs, future operating results and business activity, and the impact of natural disasters on daily sales. You should understand that forward-looking statements involve a variety of risks and uncertainties, known and unknown (including risks disclosed in our most recent annual and quarterly reports), and may be aected by inaccurate assumptions. Consequently, no forward-looking statement can be guaranteed and actual results may vary materially. Factors that could cause our actual results to dier from those discussed in the forward-looking statements include, but are not limited to, those detailed in our most recent annual and quarterly reports. Each forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to update any such statement to reect events or circumstances arising after such date. FAST-E FASTENAL COMPANY Condensed Consolidated Balance Sheets(Amounts in millions except share and per share information)(Unaudited) Assets March 31, 2025 December 31, 2024 Current assets:Cash and cash equivalents $ 231.8 255.8Trade accounts receivable, net of allowance for credit losses of $6.3 and $5.2, respectively1,278.7 1,108.6Inventories 1,673.9 1,645.0Prepaid income taxes — 18.8Other current assets 173.6 183.7 Total current assets 3,358.0 3,211.9Property and equipment, net 1,075.8 1,056.6Operating lease right-of-use assets 289.4 279.2Oh 1477 1503 10

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Other assets 147.7 150.3 Total assets $ 4,870.9 4,698.0 Liabilities and Stockholders' Equity Current liabilities:Current portion of debt $ 75.0 75.0Accounts payable 341.1 287.7Accrued expenses 215.7 225.6Current portion of operating lease liabilities101.4 98.8Income taxes payable 52.0 — Total current liabilities 785.2 687.1Long-term debt 125.0 125.0Operating lease liabilities 194.4 186.6Deferred income taxes 69.6 68.9Other long-term liabilities 6.4 14.1 Stockholders' equity:Preferred stock: $0.01 par value, 5,000,000 shares authorized, no shares issued or outstanding— —Common stock: $0.01 par value, 800,000,000 shares authorized, 573,611,957 and 573,320,452 sharesissued and outstanding, respectively 5.7 5.7Additional paid-in capital 101.8 88.6Retained earnings 3,665.5 3,613.5Accumulated other comprehensive loss (82.7) (91.5) Total stockholders' equity 3,690.3 3,616.3 Total liabilities and stockholders' equity$ 4,870.9 4,698.0 FASTENAL COMPANY Condensed Consolidated Statements of Income(Amounts in millions except income per share)(Unaudited) Three Months Ended March 31, 2025 2024 Net sales $ 1,959.4 1,895.1 Cost of sales 1,075.5 1,033.5 Gross prot 883.9 861.6 Selling, general, and administrative expenses490.0 471.4 Operating income 393.9 390.2Interest income 0.9 1.6 Interest expense (1.7) (2.0) Income before income taxes 393.1 389.8 Income tax expense 94.4 92.1 Net income $ 298.7 297.7 Basic net income per share $ 0.52 0.52 Diluted net income per share $ 0.52 0.52 Basic weighted average shares outstanding 573.5 572.3 Diluted weighted average shares outstanding574.8 574.1 FASTENAL COMPANY Condensed Consolidated Statements of Cash Flows(Amounts in millions)(Unaudited) Three Months EndedMarch 31, 2025 2024 Cash ows from operating activities:Net income $ 298.7 297.7Adjustments to reconcile net income to net cash provided by operating activities:Depreciation of property and equipment 42.0 40.2Gain on sale of property and equipment (0.3) (0.6)Bad debt expense (recoveries) 1.8 (0.9)Deferred income taxes 0.7 0.8Stock-based compensation 2.0 2.0Amortization of intangible assets 2.7 2.7Changes in operating assets and liabilities:Td i bl (1700) (1276) 11

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Trade accounts receivable (170.0) (127.6)Inventories (26.5) 21.9Other current assets 10.2 34.9Accounts payable 45.3 15.6Accrued expenses (8.8) (31.9)Income taxes 70.9 74.5Other (6.5) 6.3 Net cash provided by operating activities262.2 335.6 Cash ows from investing activities:Purchases of property and equipment (55.7) (50.8)Proceeds from sale of property and equipment1.9 2.5Other 0.0 (0.1) Net cash used in investing activities (53.8) (48.4) Cash ows from nancing activities:Proceeds from debt obligations 155.0 160.0Payments against debt obligations (155.0) (220.0)Proceeds from exercise of stock options 11.2 15.8Cash dividends paid (246.7) (223.2) Net cash used in nancing activities (235.5) (267.4) Eect of exchange rate changes on cash and cash equivalents3.1 (4.0) Net (decrease) increase in cash and cash equivalents(24.0) 15.8 Cash and cash equivalents at beginning of period255.8 221.3 Cash and cash equivalents at end of period$ 231.8 237.1 Supplemental information:Cash paid for interest $ 1.5 2.4Net cash paid for income taxes $ 21.9 15.9Operating lease right-of-use assets obtained in exchange for new operating lease liabilities$ 30.4 30.4 Supplemental Data Q1 2024 Q1 2023 Q1 2022 Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Manufacturing $50K+/Mo.(4) 1,987$ 819.2$137,4271,916$ 778.0$135,3511,638$ 623.3$126,842$10K+/Mo. 8,2631,230.049,6198,2021,186.948,2367,6321,007.944,021$5K-$10K/Mo. 4,44895.37,1424,56197.37,1114,60198.27,114<$5K/Mo. 31,999104.71,09134,614109.81,05739,864117.0978 Other sales(5) — 11.1 — — 11.9 — — 12.5 — Total manufacturing sales44,710$1,441.1$10,66147,377$1,405.9$ 9,80952,097$1,235.6$ 7,826 Non-manufacturing $50K+/Mo.(4) 353$ 116.0$109,537327$ 108.8$110,907305$ 107.8$117,814$10K+/Mo. 2,890265.730,6462,738249.430,3632,634245.231,030$5K-$10K/Mo. 2,88860.87,0182,85760.17,0122,86260.06,988<$5K/Mo. 59,156116.365567,715129.963983,179142.8572 Other sales(5) — 11.2 — — 13.8 — — 20.5 — Total non-manufacturing sales64,934$ 454.0$ 2,27373,310$ 453.2$ 1,99788,675$ 468.5$ 1,684 Total $50K+/Mo.(4) 2,340$ 935.1$133,2052,243$ 886.8$131,7881,943$ 731.1$125,425$10K+/Mo. 11,1531,495.744,70210,9401,436.343,76310,2661,253.240,691$5K-$10K/Mo. 7,336156.27,0977,418157.47,0737,463158.27,066<$5K/Mo. 91,155221.0808102,329239.7781123,043259.8704 Other sales(5) — 22.2 — — 25.7 — — 32.9 — Total net sales 109,644$1,895.1$ 5,694120,687$1,859.1$ 5,064140,772$1,704.1$ 3,957 (1)Customer sites represent the number of customer locations served by our in-market network. Individual customers with multiple locations acrossmultiple in-market locations will have multiple customer sites.(2)Customer sites are an average of the number of customer sites calculated each month.(3)Monthly sales per customer site totals do not include the sales from other sales lines, as there is no customer site count associated with it. Thiscolumn is not rounded to the millions and represents the exact dollar amount.(4)$50K+ customer sites are disclosed as a representation of Onsite-like customers and are also a subset of $10K+ customer sites.(5)Oh l i l h id ii i kl i Thii ld i i f hl di 12

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(5)Other sales represent impacts to sales that are not tied to a specic site or in-market location. This includes certain service fees, cash sales, directproduct sales, etc. Q2 2024 Q2 2023 Q2 2022 Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Manufacturing $50K+/Mo.(4) 2,021$ 835.8$137,8531,922$ 801.5$139,0051,734$ 671.9$129,162$10K+/Mo. 8,3691,250.349,7998,2391,211.849,0277,9121,071.445,138$5K-$10K/Mo. 4,43494.97,1344,54497.27,1304,60198.17,107<$5K/Mo. 32,009104.61,08934,148107.81,05239,029117.71,005 Other sales(5) — 11.1 — — 11.5 — — 12.6 — Total manufacturing sales44,812$1,460.9$10,78446,931$1,428.3$10,06351,542$1,299.8$ 8,325 Non-manufacturing $50K+/Mo.(4) 365$ 120.0$109,589316$ 110.1$116,139304$ 106.9$117,215$10K+/Mo. 2,849267.131,2512,758255.430,8682,747251.130,470$5K-$10K/Mo. 2,84959.97,0082,89160.87,0102,96962.26,983<$5K/Mo. 58,844116.666166,518125.863081,987144.5587 Other sales(5) — 11.7 — — 12.8 — — 21.0 — Total non-manufacturing sales64,542$ 455.3$ 2,29072,167$ 454.8$ 2,04287,703$ 478.8$ 1,740 Total $50K+/Mo.(4) 2,386$ 955.8$133,5292,238$ 911.6$135,7762,038$ 778.8$127,380$10K+/Mo. 11,2181,517.445,08810,9971,467.244,47310,6591,322.541,358$5K-$10K/Mo. 7,283154.87,0857,435158.07,0847,570160.37,059<$5K/Mo. 90,853221.2812100,666233.6774121,016262.2722 Other sales(5) — 22.8 — — 24.3 — — 33.6 — Total net sales 109,354$1,916.2$ 5,771119,098$1,883.1$ 5,202139,245$1,778.6$ 4,177 (1)Customer sites represent the number of customer locations served by our in-market network. Individual customers with multiple locations acrossmultiple in-market locations will have multiple customer sites.(2)Customer sites are an average of the number of customer sites calculated each month.(3)Monthly sales per customer site totals do not include the sales from other sales lines, as there is no customer site count associated with it. Thiscolumn is not rounded to the millions and represents the exact dollar amount.(4)$50K+ customer sites are disclosed as a representation of Onsite-like customers and are also a subset of $10K+ customer sites.(5)Other sales represent impacts to sales that are not tied to a specic site or in-market location. This includes certain service fees, cash sales, directproduct sales, etc. Q3 2024 Q3 2023 Q3 2022 Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Manufacturing $50K+/Mo.(4) 2,025$ 827.9$136,2801,880$ 771.8$136,8441,796$ 711.4$132,034$10K+/Mo. 8,3181,240.249,6998,0731,176.848,5907,9741,112.746,514$5K-$10K/Mo. 4,46595.57,1304,45395.47,1414,56397.57,123<$5K/Mo. 31,245103.61,10533,208105.91,06337,117114.71,030 Other sales(5) — 11.7 — — 11.2 — — 12.1 — Total manufacturing sales44,028$1,451.0$10,89745,734$1,389.3$10,04449,654$1,337.0$ 8,894 Non-manufacturing $50K+/Mo.(4) 376$ 122.9$108,954320$ 109.4$113,958303$ 101.3$111,441$10K+/Mo. 2,962277.031,1732,878260.430,1602,778245.829,494$5K-$10K/Mo. 2,86260.57,0462,94262.07,0252,92561.46,997<$5K/Mo. 56,424113.567163,255121.564076,035138.9609 Other sales(5) — 8.2 — — 12.7 — — 19.3 — Total non-manufacturing sales62,248$ 459.2$ 2,41569,075$ 456.6$ 2,14381,738$ 465.4$ 1,820 13

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Total $50K+/Mo.(4) 2,401$ 950.8$132,0012,200$ 881.2$133,5152,099$ 812.6$129,046$10K+/Mo. 11,2801,517.244,83510,9511,437.243,74610,7521,358.642,119$5K-$10K/Mo. 7,327156.07,0977,395157.47,0957,488158.97,074<$5K/Mo. 87,669217.182596,463227.5786113,152253.5747 Other sales(5) — 19.9 — — 23.8 — — 31.4 — Total net sales 106,276$1,910.2$ 5,929114,809$1,845.9$ 5,290131,392$1,802.4$ 4,493 (1)Customer sites represent the number of customer locations served by our in-market network. Individual customers with multiple locations acrossmultiple in-market locations will have multiple customer sites.(2)Customer sites are an average of the number of customer sites calculated each month.(3)Monthly sales per customer site totals do not include the sales from other sales lines, as there is no customer site count associated with it. Thiscolumn is not rounded to the millions and represents the exact dollar amount.(4)$50K+ customer sites are disclosed as a representation of Onsite-like customers and are also a subset of $10K+ customer sites.(5)Other sales represent impacts to sales that are not tied to a specic site or in-market location. This includes certain service fees, cash sales, directproduct sales, etc. Q4 2024 Q4 2023 Q4 2022 Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Customer Sites (#) (1) (2)Sales Mo. Sales per Customer Site(3) Manufacturing $50K+/Mo.(4) 1,945$ 779.4$133,5731,788$ 720.0$134,2281,678$ 664.6$132,022$10K+/Mo. 7,9211,169.749,2247,6801,104.647,9437,5371,043.546,150$5K-$10K/Mo. 4,27191.37,1264,31192.37,1374,33493.07,153<$5K/Mo. 30,286101.91,12231,927102.61,07134,696106.41,022 Other sales(5) — 3.8 — — 11.8 — — 12.0 — Total manufacturing sales42,478$1,366.7$10,69543,918$1,311.3$ 9,86446,567$1,254.9$ 8,898 Non-manufacturing $50K+/Mo.(4) 385$ 132.8$114,978332$ 109.9$110,341319$ 102.1$106,688$10K+/Mo. 2,916285.332,6132,894262.630,2462,631237.930,141$5K-$10K/Mo. 2,67756.47,0232,76758.67,0592,82659.26,983<$5K/Mo. 52,364106.767958,825114.564967,392127.4630 Other sales(5) — 9.4 — — 11.6 — — 16.2 — Total non-manufacturing sales57,957$ 457.8$ 2,57964,486$ 447.3$ 2,25272,849$ 440.7$ 1,942 Total $50K+/Mo.(4) 2,330$ 912.2$130,5012,120$ 830.0$130,5031,997$ 766.7$127,975$10K+/Mo. 10,8371,455.044,75410,5741,367.243,09910,1681,281.342,004$5K-$10K/Mo. 6,948147.77,0867,078150.97,1077,160152.27,086<$5K/Mo. 82,650208.684190,752217.1797102,088233.8763 Other sales(5) — 13.2 — — 23.4 — — 28.3 — Total net sales 100,435$1,824.5$ 6,012108,404$1,758.6$ 5,336119,416$1,695.6$ 4,654 (1)Customer sites represent the number of customer locations served by our in-market network. Individual customers with multiple locations acrossmultiple in-market locations will have multiple customer sites.(2)Customer sites are an average of the number of customer sites calculated each month.(3)Monthly sales per customer site totals do not include the sales from other sales lines, as there is no customer site count associated with it. Thiscolumn is not rounded to the millions and represents the exact dollar amount.(4)$50K+ customer sites are disclosed as a representation of Onsite-like customers and are also a subset of $10K+ customer sites.(5)Other sales represent impacts to sales that are not tied to a specic site or in-market location. This includes certain service fees, cash sales, directproduct sales, etc. Taylor Ranta Oborski Accounting Manager 14

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507.313.7959 Source: Fastenal Company 15

Earnings release