AAON Reports Strong Third Quarter 2025 Results Driven by Operational Improvements and Share Gains

Q3 Highlights (All comparisons are year-over-year, unless otherwise noted)

— Operations improved sequentially, driven by continued demand, improved ERP efficiency and increased production throughput

— Net sales up 17.4% to $384.2 million

— GAAP diluted EPS of $0.37 down year-over-year 41.3%, up sequentially 94.7%

— Robust bookings trends of both AAON- and BASX-branded equipment point to continuing market share gains

— Record backlog of $1.32 billion up year-over-year 103.8% and up sequentially 18.1%

AAON, INC. (NASDAQ-AAON), a leader in high-performing, energy-efficient HVAC solutions that bring long-term value to customers and owners, today announced its results for the third quarter of 2025.

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The quarter demonstrated robust underlying demand across both AAON and BASX brands. Total backlog reached a record $1.32 billion, up 103.8% year-over-year and 18.1% sequentially, with particularly solid momentum in data center applications. National account bookings increased 96% in the quarter and 92% year-to-date, reflecting continued market share gains despite softness in the broader nonresidential construction market.

ThirdQuarter 2025 Results

Net sales for the third quarter of 2025 increased 17.4% to $384.2 million, from $327.3 million in the third quarter of 2024. BASX-branded sales rose 95.8% to $124.8 million, driven primarily by increased demand of liquid cooling equipment for data center applications. AAON-branded sales decreased year-over-year 1.5% to $259.5 million, but rose 28.1% sequentially, reflecting steady production momentum at the Tulsa, Oklahoma, facility. Bookings for both brands remained solid, led by the BASX brand, which saw a 119.5% increase in backlog. AAON-branded bookings were roughly flat with the prior-year period.

Gross profit margin in the quarter was 27.8%, down from 34.9% in the prior-year period but up sequentially from 26.6%. The year-over-year contraction primarily reflected operational inefficiencies associated with the Enterprise Resource Planning (“ERP”) system implementation and unabsorbed fixed costs at the new Memphis facility. Sequential improvement in gross margin was driven by higher production volumes at the AAON Oklahoma and AAON Coil Products segments and continued progress in optimizing use of the new ERP system.

Earnings per diluted share were $0.37, down year-over-year 41.3%, but up sequentially by 94.7%.

“Our third quarter results demonstrate the enduring demand for our products and reflect continued share gains, margin improvement and steady progress toward our operational goals, with notable sequential improvement in several key areas,” said AAON President and CEO Matt Tobolski. “Most notably, we achieved significant gains in production throughput at our Longview, Texas, facility, reflecting continued progress implementing our new ERP system. Production of AAON-branded equipment at the Longview facility improved each month during the quarter, reaching 90% of target in September and exceeding that level in October. Operational gains at both facilities contributed to an 28.1% increase in AAON-branded equipment sales from the prior quarter.

“We are also making tremendous progress with our BASX brand as we broaden our reach in the data center market and continue to deliver industry-leading air-side and liquid cooling solutions. Production of liquid cooling equipment has increased substantially since earlier in the year. We're optimizing operations in Redmond, Oregon, and continue to invest in expanding production at our new Memphis, Tennessee, facility to support the significant growth and margin expansion potential for our data center cooling products. We remain on track to add substantial production capacity by year-end, ensuring we can meet growing customer demand and continue driving operational excellence.

“As we enter the last quarter of the year, we remain confident in the progress we are making and the momentum we have built. Backlogs for both brands remain strong, bookings continue to trend positively, and we are making steady strides in expanding production capacity. In addition, we are achieving substantial gains in ERP system integration and have a clear path for continued operational excellence and growth as we further scale production and complete future ERP rollouts. Collectively, these initiatives are enhancing the strength of the Company, driving higher operational efficiency, and positioning us to capture additional growth.”

Segment Results

AAON Oklahoma

Three Months Ended(in thousands) September 30, June 30, September 30, 2025 2025 2024Net sales $ 238,748 $ 185,120 $ 228,887Gross profit $ 75,229 $ 50,883 $ 84,119Gross profit margin 31.5% 27.5% 36.8%

Net sales for the AAON Oklahoma segment totaled $238.7 million, a 4.3% increase year-over-year, reflecting a larger starting backlog and enhanced production throughput that supported higher backlog conversion. With minimal external challenges during the quarter, the team was able to focus on hiring, training, and increasing production output.

Gross margin at the segment was 31.5%, down from 36.8% in the third quarter of 2024, but up 400 basis points from the prior quarter. The year-over-year decrease was primarily driven by incremental overhead expenses of $4.5million related to our new plant in Memphis,as well as a temporary mismatch in timing between higher material costs associated with tariffs and the benefit from our 6% tariff surcharge, which has not yet been realized.

AAON Coil Products

Three Months Ended(in thousands) September 30, June 30, September 30, 2025 2025 2024Net sales $ 70,246 $ 58,465 $ 35,232Gross profit $ 11,332 $ 12,863 $ 12,421Gross profit margin 16.1% 22.0% 35.3%

Net sales for the AAON Coil Products segment totaled $70.2 million, up 99.4% compared to the same period last year. The year-over-year increase was fully driven by $46.5 million in BASX-branded liquid cooling product sales, a category that was not in production during the prior-year period. AAON-branded products declined $10.9 million due to disruptions related to the ERP system transition. However, these disruptions were much less compared to the prior quarter, reflecting improved utilization of the new ERP system and a 36.2% sequential increase in AAON-branded sales.

Gross margin at the segment was 16.1%, down year-over-year from 35.3% and sequentially from 22.0%. Despite the sequential improvement in throughput, gross margin declined sequentially, reflecting several discrete items that collectively impacted gross margin by approximately 1,050 basis points. We expect these challenges to be resolved as we continue making progress with our ERP implementation, and over time we expect this segment to deliver gross margin of around 30% based on the strength of pricing within backlog.

BASX

Three Months Ended(in thousands) September 30, June 30, September 30, 2025 2025 2024Net sales $ 75,244 $ 67,982 $ 63,133Gross profit $ 20,300 $ 18,983 $ 17,618Gross profit margin 27.0% 27.9% 27.9%

Net sales for the BASX segment increased 19.2% to $75.2 million, up from $63.1 million in the prior-year period. Stronger demand for data center equipment was the primary driver of the year-over-year increase, as the data center market continues to demonstrate exceptional strength.Initial production from our new Memphis facility played a key role in driving growth.

Gross margin at the segment was 27.0%, down from 27.9% in the prior-year period. The modest year-over-year contraction primarily reflects higher indirect warehouse personnel costs associated with operating the Redmond, Oregon, facility near full capacity. Optimization efforts at this facility remain a focus and are expected to accelerate as the Memphis facility continues to ramp up.

Balance Sheet & Cash Flow

As of September30, 2025, the company had cash, cash equivalents and restricted cash of $2.3 million and a balance on its revolving credit facility of $360.1 million. Rebecca Thompson, AAON CFO and Treasurer, commented, “Overall, our financial position remains strong. We anticipate cash flow from operations will turn significantly positive in the fourth quarter as working capital becomes a source of cash, reflecting payments received on a large order that was recently delivered. This gives us flexibility to continue to focus on our investment in growth for the future with capital expenditure plans of $180.0 million in 2025.”

Backlog

September 30, 2025 June 30, 2025 September 30, 2024 (in thousands)AAON-branded products $ 423,316 $ 494,214 $ 239,067BASX-branded products* 896,824 623,423 408,627 $ 1,320,140 $ 1,117,637 $ 647,694
*Adjusted for replacement purchase orders received in July related to administrative processing.

Total backlog increased year-over-year 103.8% to $1,320.1 million, and 18.1% quarter-over-quarter. BASX-branded backlog drove the growth, increasing 119.5% from a year ago and 43.9% from the previous quarter. Our growing backlog and robust order activity demonstrate that we are capturing meaningful market share as customers prioritize high-performance, efficient, and reliable infrastructure. A meaningful part of the BASX-branded backlog is slated for production at the Memphis facility, which will support a steady ramp in production next year. AAON-branded equipment backlog increased 77.1% year-over-year but declined sequentially by 14.3%, reflecting the impressive increase in production output. Despite softness in the nonresidential construction market, bookings for the quarter remained strong and roughly flat compared to the prior-year period, indicating that we are continuing to gain meaningful market share.

2025 Outlook

Current PriorMetric FY25YoY Sales Growth Mid Teens Low TeensGross Profit Margin 28.0%-28.5% 28.0%-29.0%Non-GAAP adjusted 16.5%-17.0% 16.5%-17.0%SG&A as a % of sales

Conference Call

The company will host a conference call and webcastthis morning at 9:00 a.m. EST to discuss the third quarter of 2025 results and outlook. The conference call will be accessible via dial-in for those who wish to participate in Q&A as well as a listen-only webcast. The dial-in is accessible at 1-888-880-3330. To access the listen-only webcast, please register at https://app.webinar.net/VPoq6npx4e2. On the next business day following the call, a replay of the call will be available on the company's website at https://aaon.com/investors.

About AAON

Founded in 1988, AAON is a global leader in HVAC solutions for commercial, industrial and data center indoor environments. The company's industry-leading approach to designing and manufacturing highly configurable and custom-made equipment to meet exact needs creates a premier ownership experience with greater efficiency, performance and long-term value. Its highly engineered equipment is sold under the AAON and BASX brands. AAON is headquartered in Tulsa, Oklahoma, where its world-class innovation center and testing lab allows AAON engineers to continuously push boundaries and advance the industry. For more information, please visit www.aaon.com.

Forward-Looking Statements

This press release includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “expects”, “anticipates”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “should”, “will”, and variations of such words and similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions, which are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or forecasted in such forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. We undertake no obligations to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise. Important factors that could cause results to differ materially from those in the forward-looking statements include (1) the timing and extent of changes in raw material and component prices, (2) the effects of fluctuations in the commercial/industrial new construction market, (3) the timing and extent of changes in interest rates, as well as other competitive factors during the year, and (4) general economic, market or business conditions. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in any forward-looking statements, see “Risk Factors” and “Forward Looking Statements” in AAON's Annual Report on Form 10-K for the most recent fiscal year, as may be revised and updated by AAON's Quarterly Reports on Form 10-Q, and AAON's Current Reports on Form 8-K.

Contact Information

Joseph Mondillo Director of Investor Relations & Corporate Strategy Phone: (617) 877-6346 Email: joseph.mondillo@aaon.com

AAON, Inc. and SubsidiariesConsolidated Statements of Income(Unaudited) Three Months Ended Nine Months Ended September 30, September 30, 2025 2024 2025 2024 (in thousands, except share and per share data)Net sales $ 384,238 $ 327,252 $ 1,017,859 $ 902,917Cost of sales 277,377 213,094 741,905 583,423Gross profit 106,861 114,158 275,954 319,494Selling, general and administrative expenses 63,230 48,637 173,670 139,820Gain on disposal of assets 36 1 (4) (15)Income from operations 43,595 65,520 102,288 179,689Interest expense, net (5,153) (1,091) (11,964) (1,697)Other income, net – 81 106 333Income before taxes 38,442 64,510 90,430 178,325Income tax provision 7,660 11,885 14,869 34,456Net income $ 30,782 $ 52,625 $ 75,561 $ 143,869Earnings per share:Basic $ 0.38 $ 0.65 $ 0.93 $ 1.77Diluted $ 0.37 $ 0.63 $ 0.91 $ 1.72Cash dividends declared per common share: $ 0.10 $ 0.08 $ 0.30 $ 0.24Weighted average shares outstanding:Basic 81,543,105 81,089,476 81,485,914 81,448,413Diluted 82,952,049 83,107,077 83,086,858 83,579,989
AAON, Inc. and SubsidiariesSegment Net Sales and Profit(Unaudited) Three Months Ended Nine months ended September 30, September 30, September 30, September 30, 2025 2024 2025 2024 (in thousands) (in thousands)AAON OklahomaExternal sales $ 238,748 $ 228,887 $ 585,706 $ 664,754Inter-segment sales 9,737 1,238 18,894 4,220Eliminations (9,737) (1,238) (18,894) (4,220)Net sales 238,748 228,887 585,706 664,754Cost of sales1 163,519 144,768 421,621 418,354Gross profit 75,229 84,119 164,085 246,400AAON Coil ProductsExternal sales $ 70,246 $ 35,232 $ 222,734 $ 90,852Inter-segment sales 8,263 12,292 20,542 30,565Eliminations (8,263) (12,292) (20,542) (30,565)Net sales 70,246 35,232 222,734 90,852Cost of sales1 58,914 22,811 166,054 57,133Gross profit 11,332 12,421 56,680 33,719BASXExternal sales $ 75,244 $ 63,133 $ 209,419 $ 147,311Inter-segment sales 26 40 576 262Eliminations (26) (40) (576) (262)Net sales 75,244 63,133 209,419 147,311Cost of sales1 54,944 45,515 154,230 107,936Gross profit 20,300 17,618 55,189 39,375Consolidated gross profit $ 106,861 $ 114,158 $ 275,954 $ 319,4941 Presented after intercompany eliminations.The reconciliation between consolidated gross profit to consolidated income from operations is as follows:Consolidated gross profit $ 106,861 $ 114,158 $ 275,954 $ 319,494Less: Selling, general and administrative expenses 63,230 48,637 173,670 139,820Add: Gain (loss) on disposal of assets (36) (1) 4 15Consolidated income from operations $ 43,595 $ 65,520 $ 102,288 $ 179,689
AAON, Inc. and SubsidiariesConsolidated Balance Sheets(Unaudited) September 30, 2025 December 31, 2024Assets (in thousands, except share and per share data)Current assets:Cash and cash equivalents $ 1,041 $ 14Restricted cash 1,226 6,500Accounts receivable, net 266,238 147,434Income tax receivable 25,508 4,115Inventories, net 250,511 187,420Contract assets, net 207,140 135,421Prepaid expenses and other 7,668 7,308Total current assets 759,332 488,212Property, plant and equipment, net 591,652 510,356Intangible assets, net and goodwill 163,886 160,152Right of use assets 17,050 15,436Deferred tax assets – 836Other long-term assets 2,151 242Total assets $ 1,534,071 $ 1,175,234Liabilities and Stockholders' EquityCurrent liabilities:Debt, short-term $ – $ 16,000Accounts payable 109,740 44,645Accrued liabilities 120,468 99,347Contract liabilities 19,974 14,913Total current liabilities 250,182 174,905Debt, long-term 360,142 138,891Deferred tax liabilities 22,199 -Other long-term liabilities 22,205 20,743New market tax credit obligation 16,233 16,113Commitments and contingenciesStockholders' equity:Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued – -Common stock, $.004 par value, 200,000,000 shares authorized, 81,593,092 and 81,436,594 issued and outstanding at September30, 2025 and December 31, 2024, respectively 326 326Additional paid-in capital 56,350 68,946Retained earnings 806,434 755,310Total stockholders' equity 863,110 824,582Total liabilities and stockholders' equity $ 1,534,071 $ 1,175,234
AAON, Inc. and SubsidiariesConsolidated Statements of Cash Flows(Unaudited) Nine Months Ended September 30, 2025 2024Operating Activities (in thousands)Net income $ 75,561 $ 143,869Adjustments to reconcile net income to net cash (used in) provided by operating activities:Depreciation and amortization 58,838 45,185Amortization of debt issuance costs 250 111Amortization of right of use assets 118 133Provision for credit losses on accounts receivable, net of adjustments 92 815Provision for credit losses on contract assets, net of adjustments 200 -Provision for excess and obsolete inventories, net of write-offs 1,025 1,848Share-based compensation 13,421 12,814Other (32) (19)Deferred income taxes 23,035 (4,112)Changes in assets and liabilities:Accounts receivable (118,896) (6,513)Income taxes (21,393) (2,295)Inventories (64,116) 33,953Contract assets (71,919) (49,926)Prepaid expenses and other long-term assets (771) (304)Accounts payable 59,891 1,733Contract liabilities 5,061 2,634Extended warranties 431 1,249Accrued liabilities and other long-term liabilities 20,420 10,512Net cash (used in) provided by operating activities (18,784) 191,687Investing ActivitiesCapital expenditures (128,067) (99,371)Proceeds from sale of property, plant and equipment 275 21Acquisition of intangible assets (10,868) (14,436)Principal payments from note receivable 37 38Net cash used in investing activities (138,623) (113,748)Financing ActivitiesBorrowings of debt 658,458 410,503Payments of debt (453,449) (393,154)Proceeds from financing obligation, net of issuance costs – 4,186Payment related to financing costs (1,395) (417)Stock options exercised 13,275 25,645Repurchases of stock – open market (29,992) (100,034)Repurchases of stock – LTIP plans (9,300) (7,455)Cash dividends paid to stockholders (24,437) (19,571)Net cash provided by (used in) financing activities 153,160 (80,297)Net (decrease) increase in cash, cash equivalents and restricted cash (4,247) (2,358)Cash, cash equivalents and restricted cash, beginning of period 6,514 9,023Cash, cash equivalents and restricted cash, end of period $ 2,267 $ 6,665

Use of Non-GAAP Financial Measures

To supplement the company's consolidated financial statements presented in accordance with generally accepted accounting principles (“GAAP”), additional non-GAAP financial measures are provided and reconciled in the following tables. The company believes that these non-GAAP financial measures, when considered together with the GAAP financial measures, provide information that is useful to investors in understanding period-over-period operating results. The company believes that this non-GAAP financial measure enhances the ability of investors to analyze the company's business trends and operating performance as they are used by management to better understand operating performance. Since adjusted net income, adjusted net income per diluted share, EBITDA, adjusted EBITDA, and adjusted EBITDA margin are non-GAAP measures and are susceptible to varying calculations, adjusted net income, adjusted net income per diluted share, EBITDA, adjusted EBITDA, and adjusted EBITDA margin, as presented, may not be directly comparable with other similarly titled measures used by other companies.

Non-GAAP Adjusted Net Income

The company defines non-GAAP adjusted net income as net income adjusted for any infrequent events, such as litigation settlements, net of profit sharing and tax effect, in the periods presented.

The following table provides a reconciliation of net income (GAAP) to non-GAAP adjusted net income for the periods indicated:

Three Months Ended Nine Months Ended September 30, September 30, 2025 2024 2025 2024 (in thousands)Net income, a GAAP measure $ 30,782 $ 52,625 $ 75,561 $ 143,869Memphis incentive fee1 – – 6,105 -Profit sharing effect2 – – (519) -Tax effect – – (1,369) -Non-GAAP adjusted net income $ 30,782 $ 52,625 $ 79,778 $ 143,869Non-GAAP adjusted earnings per diluted share $ 0.37 $ 0.63 $ 0.96 $ 1.72
1The incentive fee relates to fees payable to our real estate broker associated with the acquisition of our Memphis, Tenn. plant for a percentage of the incentives awarded to us by various entities.2Profit sharing effect of the Memphis incentive fee in the respective period.

EBITDA

EBITDA (as defined below) is presented herein and reconciled from the GAAP measure of net income because of its wide acceptance by the investment community as a financial indicator of a company's ability to internally fund operations. The company defines EBITDA as net income, plus (1) depreciation and amortization, (2) interest expense (income), net and (3) income tax expense. EBITDA is not a measure of net income or cash flows as determined by GAAP. EBITDA margin is defined as EBITDA as a percentage of net sales.

The company's EBITDA measure provides additional information which may be used to better understand the company's operations. EBITDA is one of several metrics that the company uses as a supplemental financial measurement in the evaluation of its business and should not be considered as an alternative to, or more meaningful than, net income, as an indicator of operating performance. Certain items excluded from EBITDA are significant components in understanding and assessing a company's financial performance. EBITDA, as used by the company, may not be comparable to similarly titled measures reported by other companies. The company believes that EBITDA is a widely followed measure of operating performance and is one of many metrics used by the company's management team and by other users of the company's consolidated financial statements.

Adjusted EBITDA is calculated as EBITDA adjusted by items in non-GAAP adjusted net income, above, except for taxes, as taxes are already excluded from EBITDA.

The following table provides a reconciliation of net income (GAAP) to EBITDA (non-GAAP) and Adjusted EBITDA (non-GAAP) for the periods indicated:

Three Months Ended Nine Months Ended September 30, September 30, 2025 2024 2025 2024 (in thousands)Net income, a GAAP measure $ 30,782 $ 52,625 $ 75,561 $ 143,869Depreciation and amortization 19,959 17,262 58,838 45,185Interest expense, net 5,153 1,091 11,964 1,697Income tax expense 7,660 11,885 14,869 34,456EBITDA, a non-GAAP measure $ 63,554 $ 82,863 $ 161,232 $ 225,207Memphis incentive fee1 – – 6,105 -Profit sharing effect2 – – (519) -Adjusted EBITDA, a non-GAAP measure $ 63,554 $ 82,863 $ 166,818 $ 225,207Adjusted EBITDA margin 16.5% 25.3% 16.4% 24.9%
1The incentive fee relates to fees payable to our real estate broker associated with the acquisition of our Memphis, Tenn. plant for a percentage of the incentives awarded to us by various entities.2Profit sharing effect of the Memphis incentive fee in the respective period.

Non-GAAP Adjusted Selling, General and Administrative Expenses

The following table provides a reconciliation of selling, general and administrative expenses (GAAP) to adjusted selling, general and administrative expenses (non-GAAP) for the periods indicated:

Q1 2024 Q2 2024 Q3 2024 Q4 2024 2024 (in thousands)Non-GAAP Adjusted Selling, General and Administrative ExpensesSG&A, a GAAP measure $ 45,288 $ 45,895 $ 48,637 $ 48,194 $ 188,014Memphis Incentive Fee – – – – -Profit Sharing effect – – – – -Non-GAAP adjusted SG&A expenses $ 45,288 $ 45,895 $ 48,637 $ 48,194 $ 188,014As a percent of sales 17.3% 14.6% 14.9% 16.2% 15.7% Q1 2025 Q2 2025 Q3 2025 (in thousands)SG&A, a GAAP measure $ 51,293 $ 59,147 63,230Memphis Incentive Fee 2,700 3,405 -Profit Sharing effect (230) (289) -Non-GAAP adjusted SG&A expenses $ 48,823 $ 56,031 $ 63,230As a percent of sales 15.2% 18.0% 16.5%

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