# EDGAR Filing Document

**Accession Number:** 0000824142
**File Stem:** 0000824142-26-000044
**Filing Date:** 2026-6
**Character Count:** 32055
**Document Hash:** 655efcaecbadcef964c994147efde0ee
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000824142-26-000044.hdr.sgml**: 20260608

**ACCESSION NUMBER**: 0000824142-26-000044

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 51

**CONFORMED PERIOD OF REPORT**: 20260602

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260608

**DATE AS OF CHANGE**: 20260608

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AAON, INC.
- **CENTRAL INDEX KEY:** 0000824142
- **STANDARD INDUSTRIAL CLASSIFICATION:** AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 870448736
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-18953
- **FILM NUMBER:** 261072428

**BUSINESS ADDRESS:**
- **STREET 1:** 2425 SOUTH YUKON AVE.
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74107
- **BUSINESS PHONE:** 9185832266

**MAIL ADDRESS:**
- **STREET 1:** 2425 SOUTH YUKON AVE.
- **CITY:** TULSA
- **STATE:** OK
- **ZIP:** 74107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AAON INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DIAMOND HEAD RESOURCES INC
- **DATE OF NAME CHANGE:** 19900808

?xml version='1.0' encoding='ASCII'? aaon-20260602

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

Washington, D.C. 20549

**FORM 8-K** 

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the**

**Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported): June 2, 2026

**AAON, INC.** 

(Exact name of Registrant as Specified in Charter)

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Nevada** | **Nevada** | **Nevada** | **0-18953** | **87-0448736** |
| (State or Other Jurisdiction | (State or Other Jurisdiction | (State or Other Jurisdiction | (Commission File Number:) | (IRS Employer Identification No.) |
| of Incorporation) | of Incorporation) | of Incorporation) |  |  |
| **2425 South Yukon Ave.,** | **Tulsa,** | **Oklahoma** |  | **74107** |
| (Address of Principal Executive Offices) | (Address of Principal Executive Offices) | (Address of Principal Executive Offices) |  | (Zip Code) |

---

(Registrant's telephone number, including area code): **(918) 583-2266** 

**Not Applicable**

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐&nbsp;&nbsp;&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐&nbsp;&nbsp;&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered <br> <u>Common Stock</u> <u>AAON</u> <u>NASDAQ</u>

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**Item 7.01 Regulation FD Disclosure**

On June 2, 2026, the Company participated in William Blair Growth Stock Conference located at the Loews Chicago Hotel, 455 N Park Dr, Chicago, IL 60611. The event included a presentation given by Matt Tobolski, CEO & President and Andy Cheung, CFO and Treasurer.

A copy of the Company's presentation is furnished as Exhibit 99.1 to this Current Report on Form 8-K and has also been posted on our website.

All statements at the conference (including Exhibit 99.1), other than historical financial information, may be deemed "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.

In accordance with General Instruction B.2 of Form 8-K, the information in this Item (including Exhibit 99.1) shall not be deemed "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing.

**Item 9.01&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits.**

(d)&nbsp;&nbsp;&nbsp;&nbsp;*Exhibits*

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| | |
|:---|:---|
| Exhibit Number | Description |
| <u>[99.1](investorpresentation_jun.htm)</u> | Investor Relations Presentation presented at the William Blair Growth Stock Conference on June 2, 2026 |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

---

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | | |
|:---|:---|:---|:---|
| | | **AAON, INC.** | **AAON, INC.** |
| Date: | June 8, 2026 | By: | /s/ Luke A. Bomer |
|  |  |  | Luke A. Bomer, General Counsel and Secretary |

---

## Exhibit 99.1

![](investorpresentation_jun001.jpg)

1 June 2, 2026

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![](investorpresentation_jun002.jpg)

Forward-looking statements and other references Certain statements and information set forth in this presentation contains "forward-looking statements" and "forward-looking information" within the meaning of the Private Securities Litigation Reform Act of 1995. Except for statements of historical fact, certain information contained herein constitutes forward-looking statements which include management's assessment of future plans and operations and are based on current internal expectations, estimates, projections, assumptions and beliefs, which may prove to be incorrect. Forward-looking statements are provided to allow potential investors the opportunity of management's beliefs and opinions in respect of the future so that they may use such beliefs and opinions as one factor in evaluating an investment. Some of the forward-looking statements may be identified by words such as "may", "plan", "foresee", "will", "should", "could", "anticipate," "believe," "expect," "intend," "potential," "continue," and similar expressions. While the Company's management believes that these forward-looking statements are reasonable as and when made, these statements are not guarantees of future performance and undue reliance should not be placed on them. The Company's forward-looking statements involve significant risks and uncertainties (some of which are beyond the Company's control) and assumptions that could cause actual future results to differ materially from the Company's historical experience and its present expectations or projections. 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 materials 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 additional information and a discussion of such risks and uncertainties, which could cause the Company's actual results to differ from its projected results, please see its filings with the SEC, including its Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K. The reader is cautioned not to place undue reliance on forward-looking statements. The Company undertakes no obligation to publicly update or revise any forward-looking statement after they are made, whether as a result of new information, future events, or otherwise, except as required by federal securities laws. This presentation includes references to calculations that are not based on generally accepted accounting principles ("GAAP"). Reconciliations of each of those non-GAAP measures to the most directly comparable GAAP measures have been included in the Appendix. When forward-looking non-GAAP measures are provided, the Company does not provide quantitative reconciliations of forward-looking non-GAAP measures to the most directly comparable GAAP measures, because it cannot, without unreasonable effort, predict the timing and amounts of certain items taken into account in the computations of each of these measures. 2

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![](investorpresentation_jun003.jpg)

3 Who we are… …that's why we consistently outperform We are not your typical HVAC company We are agile, innovative & creative We are best-in-class operators to support it We are an entrepreneurial disruptor with a focus on providing value for our customers

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![](investorpresentation_jun004.jpg)

AAON: an overview Winning with two differentiated brands: At AAON, we don't just respond to the world's demand for better solutions—we lead the charge We are dedicated to advancing the HVAC industry with efficient, cutting- edge technologies for commercial, industrial and data center buildings Founded in 1988 4.1 million sq ft of manufacturing World's most capable HVAC test lab End markets data centers, cleanroom environments Products air handling, liquid cooling, cleanroom environments End markets education, retail, healthcare, manufacturing, office, lodging Products rooftop units, air handlers, condensing units 4

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![](investorpresentation_jun005.jpg)

Our strategic pillars Winning with superior engineering, innovation, customization and automation Optimizing the organization to drive results and empower leaders to drive value Capitalize on the value proposition of our mission critical solutions in a dynamically growing data center market Capitalize on industry leading innovation and secular trends in the commercial and industrial markets Be a best in class operator and make strategic investments to support profitable growth 02 03 04 05 01 5

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![](investorpresentation_jun006.jpg)

6 Systems Upgrades — IT and digital infrastructure enhancements — Modernizing manufacturing management systems Product Innovation — Alpha Class Heat Pump — Free Cooling Chiller Physical Infrastructure — Added 1+ million sq. ft.of manufacturing capacity since 2024 — 4x increase in data center capacity People & Process — New CFO and GC — Strategic finance capabilities — Professional supply chain management — Global operations and lean manufacturing expertise Completed In ProgressEvolving Into a Best-in-Class Manufacturer

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![](investorpresentation_jun007.jpg)

AAON: an overview Note: All data is based on trailing 12 months as of March 31, 2026, excluding CapEx and R&D as a percentage of sales which is based on trailing 12 months as of December 31, 2025. See Non-GAAP Financial Measures in Appendix. 7 2.1B Order backlog 26.2% Gross margin 15.4% EBITDA margin 18.2% CapEx and R&D as a percent of sales 1.45 EPS 9.3% ROIC Sales by branded products BASX Sales by segment AAON Oklahoma AAON Coil Products AAON U.S. Sales by region International BASX

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![](investorpresentation_jun008.jpg)

Future structure: Leveraging two strong brands Non-res HVAC equipment Packaged rooftop units and split Semi-custom Innovation Premium quality and customer support 40% of Sales 60% of Sales Note: Data is based on trailing 12 months as of March 31, 2026. Data centers, clean rooms, commercial/industrial Air handling, liquid cooling, cleanroom environments Fully custom 8

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![](investorpresentation_jun009.jpg)

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![](investorpresentation_jun010.jpg)

AAON brand overview ¹ Data is based on trailing 12 months as of March 31, 2026 10 History Bridging the gap between basic, standard equipment and fully custom solutions for a compelling value Today A semi-custom, highly configurable solutions provider for commercial and industrial markets Sales by Products¹ Rooftop units Air handlers & condensing units Parts Other Sales by Location¹ 1,002.0 975.6 894.3 973.1 2023 2024 2025 TTM AAON brand sales (M) Tulsa, OK Longview, TX

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![](investorpresentation_jun011.jpg)

What makes the AAON brand special? Innovation and engineering Leading in innovation and engineering is at AAON's core, and it enables us to fully support all our customers Semi-custom engineering & manufacturing A proprietary, hard-to-replicate process that seamlessly integrates deep customization within a highly automated production environment Performance and energy efficiency Innovations such as DOAS (dedicated outdoor air systems) and advanced heat pump capabilities have contributed to leading the industry in quality and performance Built for application A highly configurable product line allows customers to fit- for-purpose, which maximizes performance and efficiency 11

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![](investorpresentation_jun012.jpg)

Our competitive advantage: The unique integrated process Sophisticated engineering department for design Efficient manufacturing through automation and soft tooling 2 1 3 4 High barriers to entry with a model that is difficult to copy and perfect Most capable R&D lab in the industry Electronically accepting many configurations of equipment 12

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![](investorpresentation_jun013.jpg)

Feature AAON's custom products Low-quality products AAON equipment versus the alternative Production Soft-tooled, highly automated processes Price Premium, reflects higher quality Durability Durable and long-lasting, with a lifespan up to 2x the competition Customization Highly customizable, tailored to individual needs and preferences Maintenance Mass production, standardized process Affordable, budget-friendly Not as durable, shorter lifespan Limited or no customization options Difficult, cumbersome Designed for ease of maintenance AAON products have lower TCO through higher efficiency, longer lifespan and greater reliability 13

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![](investorpresentation_jun014.jpg)

Packaged Rooftop Unit 16-30 tons Outdoor Rooftop Air Handling Unit 800-2400 cfm Evaporative Condenser Unit 51-261 tons Condensing Units 2-60 tons Vertical Indoor Air Handling Unit 450-10,000 cfm Products to meet a range of customer needs Packaged Rooftop Unit 2-6 tons Horizontal Indoor Air Handling Unit 450- 10,000 cfm Packaged Rooftop Unit 26-70 tons Packaged Rooftop Unit 9-15 tons 14

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![](investorpresentation_jun015.jpg)

Offering a solutions- based sales channel model Building owners prefer this approach more than contracting with multiple sub-contractors Sales reps use AAON equipment to customize the ideal solution This solutions-based sales channel is superior to most factory products-based sales channels that we compete against AAON sells through an independently owned sales channel, with one representative firm in every region of North America Reps utilize a line card of ~20-30 complimentary OEMs that help provide an overall solution to the end customer 15

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![](investorpresentation_jun016.jpg)

Building strength in our go-to-market strategy Focus on parts and service AAON selling parts and supporting our sales channel in building a world class services operation is key to our solutions-based offering Leveraging the marketing function set up in 2022 Marketing budget up 10x since creation, strengthening market penetration by increasing brand recognition AAON's go-to-market strategy is significantly more advanced than in the past, and key to contributing to the company's market share gains Providing resources to the sales channel Customer Exploration Center Support services Training (new academy) Mobile experience Investing in sales Account management National Account director 16

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![](investorpresentation_jun017.jpg)

Total addressable market and share gain opportunity¹ Nonresidential HVAC market 7% market share and growing 798M⁴ ~ 11B² The addressable market of AAON's commercial HVAC products, including rooftop units, air handlers and condensing units, is ~15x the size of our rooftop sales Positioned to take share as demand trends shift to meet energy efficiency and decarbonization requirements mid-to-high single digits long-term sales target 10% rooftop market share³ 1 All data on this slide is based on December 31, 2025 2 Sources: Grand View Research 3 As of December 31, 2025, the size of the rooftop unit market was 7.1B, compared to AAON's rooftop unit sales of 691M. 4 Sales only include equipment sales, and exclude parts, freight and other items. 17

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![](investorpresentation_jun018.jpg)

2023 AAON's Alpha Class were the only heat pumps operable below 30OF, and were operable all the way down to 0OF 2025 Introduced Alpha Class with operability down to -20OF; Alpha Class category was up 33% versus AAON's total rooftop sales being down 8%, industry volumes down 14% 2024 AAON's total rooftop sales were down 5% The Alpha Class category was up 39% Continuing to innovate with Alpha Class and heat pumps ¹ Based on trailing 12 months as of March 31, 2026. Alpha Class is a product category of the AAON brand that includes commercial HVAC equipment fueled by a fully electric heat pumps There is a large pipeline of customers interested in decarbonizing and electrifying their HVAC systems ~24% of rooftop sales¹ ~11% of total company sales¹ 18

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![](investorpresentation_jun019.jpg)

National account opportunity Landing just one or two national accounts per year could be meaningful and incremental to traditional growth Many are interested in electrifying their HVAC systems, with Alpha Class giving us an advantage A substantial percentage of this pipeline is focused on multi-year programs In the last 20 years National accounts were not a big focus In Early 2024 In early 2024 Began to target national account opportunities Last 30 months Built a pipeline of opportunity with annualized sales of several hundred million dollars 19

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![](investorpresentation_jun020.jpg)

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![](investorpresentation_jun021.jpg)

BASX brand overview ¹ Data is based on trailing 12 months as of March 31, 2026 21 Sales by Product¹ Data center equipment Cleanroom systems Commercial equipment Production Location¹ Redmond, OR Longview, TX History Founded in 2014 and acquired by AAON in 2021, largely focused on the data center market, but a history of strength with cleanroom systems and custom air handlers for commercial markets 1.62B Backlog at 1Q26 (up 160.0 % year over year) 166.5 225.0 547.8 643.8 2023 2024 2025 TTM BASX brand sales (M) Memphis, TN

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![](investorpresentation_jun022.jpg)

What makes BASX special? 22 Provides solutions not just products Full customization High quality manufacturing Premier customer care Superior customer support BASX is the only player in the industry that specializes in providing solutions, as opposed to standard products BASX offers a fully customized solution that maximizes operating performance and efficiency, and ease of maintenance The manufacturing is of the highest quality in the industry, ensuring minimal maintenance and downtime, and extended longevity A foundational principle at BASX is providing the customer the best customer experience BASX focuses greatly on the aftermarket, ensuring its customers are well handled throughout the life of the equipment Providing the best customer experience

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![](investorpresentation_jun023.jpg)

BASX go-to-market strategy 23 Collaborative Sales Process Internal sales and engineers, along with independent channel collectively involved in sales process Elite engineering and innovation Dedicated R&D space for concept development, validation and customer witness testing Customer care and support Providing the best customer experience Premier aftermarket support Assigned project management from day one Adding value through customized solutions Innovative design to customer specifications Fully customized design & production Decades of experienced industry leadership

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![](investorpresentation_jun024.jpg)

BASX product offerings provide end-to-end solution for data centers opportunity is ~ 1.0M - 1.5M per MW1 Computer Room Air Handler Air Handling Units Free Cooling Heat Rejection Chiller Coolant Distribution Unit Overhead Fan Coil Fan Coil Wall 24

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![](investorpresentation_jun025.jpg)

Data center pipeline underpins growth 2 4 11 ~240 2023 2024 2025 Industry pipeline in construction Installed capacity (GW) In 2023-2024, compute power of data centers put-in-place in the industry was ~2-4GW, with data center buildout spending of 20- 31 billion. In 2025, it was ~11GW, with data center buildout spending topping 43 billion. Annualized put-in-place construction of data centers will grow to ~8-12 GWs Data center pipeline from a macro perspective is large and growing Source: Wood Mackenzie, S&P Global, FactSet, Company estimates 25 Currently, there is a pipeline of projects in development totaling ~240 GWs, with expectations of ~8-12 GWs added annually $0.0 $5.0 $10.0 $15.0 $20.0 $25.0 $30.0 $35.0 $40.0 $45.0 20252024202320222021202020192018201720162015 (in $ b ill io ns) Data Center Spend (Annual 2015-2025)

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![](investorpresentation_jun026.jpg)

Data centers are a huge and growing market ¹ The total cost of constructing data centers in 2025 ² Source: U.S. Census Bureau ³ Source: Dell'Oro. Our 2025 estimated TAM is related to the products BASX provides to data centers 4 Source: Company Estimates TAM ~ 41B2 TAM 7- 9B3 TAM 3.5- 4.0B4 ~45% ~7% Total North America data center construction put in place in 2025¹ Total cooling equipment & infrastructure BASX-specific thermal management equipment ~20% 26

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![](investorpresentation_jun027.jpg)

40% 60% Data center TAM is shifting to liquid cooling BASX-specific thermal management equipment 85% 15% Thermal management equipment (2024) By 2028 To date, a vast majority of TAM is cloud compute data centers cooled by air-side equipment By 2028 we anticipate the split to be 60% liquid and 40% air-cooled ~7% Liquid cooling Air-cooled TAM 3.5- 4.0B¹ 1 Source: Company estimates. Our estimated TAM is related to the products BASX provides to data centers. 27

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![](investorpresentation_jun028.jpg)

Long-term value creation of data center opportunity Significant visibility into our customers' projects, extending out multiple years Rapid innovation driven by AI is leading to greater demand for custom solutions, which is leading to BASX share gains Demand outweighs HVAC market supply BASX backlog and revenue (M) 182.0 170.7 183.5 233.5 279.8 394.5 408.6 539.7 623.0 623.4 896.8 1,302.1 1,619.6 30.5 35.7 39.7 52.4 27.7 56.5 63.1 50.7 66.2 68.0 75.2 106.1 135.4 0 20 40 60 80 100 120 140 160 180 200 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 1Q23 2Q23 3Q23 4Q23 1Q24 2Q24 3Q24 4Q24 1Q25 2Q25 3Q25 4Q25 1Q26 28

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![](investorpresentation_jun029.jpg)

Current status of BASX production at each location Facility Dedicated BASX sq ft % to full capacity Current status Longview, TX ~250,000 Optimizing production in 2-3 years 60% Memphis, TN 787,000 Ramping up production in 3-5 years 20% Redmond, OR 419,000 Increasing throughput; maximizing productivity 1M+ sq. ft. of BASX production capacity added since 2024, up nearly 6x Larger footprint equates to at least 2 billion in revenue capacity, with upside potential 29 90%

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![](investorpresentation_jun030.jpg)

Opportunities exist in diversified end markets BASX has experience in other markets beyond data center equipment 8% of TTM sales 91% of TTM sales <1% of TTM sales Data centers Cleanroom equipment Commercial equipment Semiconductor \| medical pharmaceutical \| industrial markets Has been less of a focus given DC growth Growth opportunities: Custom air handlers is core to our DNA and could be expanded into the commercial market R&D working on new products for multiple end markets 30 ¹ Data is based on trailing 12 months as of March 31, 2026

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![](investorpresentation_jun031.jpg)

"Productizing" for scale and diversification 31 Actively reducing cost and standardizing select DC product offerings for the masses Pursuing a new semi-custom AHU that bridges the gap between the standard market and BASX's fully custom offering Like AAON, the focus is on configurability and options, with tools and collateral allowing independent reps to self-perform design, selection, and pricing Utilizing parametric/3D design and automated manufacturing to increase scale, allowing for lower priced products that generate compelling margins Air-side cooling Liquid cooling

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![](investorpresentation_jun032.jpg)

Financials 32

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![](investorpresentation_jun033.jpg)

Financial highlights¹ ¹ See Non-GAAP Financial Measures in Appendix. Net sales (M) Gross margin Adj. EBITDA (M) (Non-GAAP) 888.8 1,168.5 1,200.6 1,442.1 1,617.0 2022 2023 2024 2025 TTM 26.7% 34.1% 33.1% 26.7% 26.2% 2022 2023 2024 2025 TTM 162.3 281.2 272.2 231.3 252.6 2022 2023 2024 2025 TTM Consistently delivering results throughout the cycle 1.24 2.13 2.02 1.29 1.43 2022 2023 2024 2025 TTM 33 EPS (GAAP)

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![](investorpresentation_jun034.jpg)

0.60 0.53 0.49 0.51 0.56 0.65 0.65 0.87 1.03 1.12 1.32 1.83 2.13 1Q23 2Q23 3Q23 4Q23 1Q24 2Q24 3Q24 4Q24 1Q25 2Q25 3Q25 4Q25 1Q26 AAON BASX Both brands contributing to our strong backlog Backlog remains strong despite changes in the cycle Ended 1Q26 at record 2.13B Backlog (B) 34

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![](investorpresentation_jun035.jpg)

2026 Outlook Sales Sales growth of 40% to 45% Margins Gross margin of 27% to 28% Expenses SG&A 14% to 15% of sales D&A expense of 95 to 100 million Strong focus on operational execution 35

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Non-GAAP Financial Measures 37 The following table provides a reconciliation of net income (GAAP) to EBITDA (non-GAAP) and EBITDA margin (non-GAAP) for the periods indicated. The trailing twelve months ("TTM") period presented is a non-GAAP reconciliation period. Q1 2026 Q4 2025 Q3 2025 Q2 2025 LTM 2025 2024 2023 2022 2021 Net income, a GAAP measure 39,815$32,032$30,782$15,487$118,116$107,593$168,559$177,623$100,376$58,758$ Depreciation and amortization 20,903 20,353 19,959 19,936 81,151 79,191 62,735 46,468 35,106 30,343 Interest expense, net 5,055 5,762 5,153 4,009 19,979 17,726 2,905 4,843 2,627 132 Income tax expense 12,266 6,290 7,660 4,018 30,234 21,159 38,032 45,531 24,157 10,424 EBITDA, a non-GAAP measure 78,039$64,437$63,554$43,450$249,480$225,669$272,231$274,465$162,266$99,657$ Add: Memphis incentive fee1 3,405 6,105 - - - - Litigation settlement2 - - 7,500 - - Profit sharing effect3 (289) (519) - (750) - (437) Acquisition-related fees4 - - - - 4,367 Net sales, a GAAP measure 496,936$424,217$384,238$311,567$1,616,958$1,442,076$1,200,635$1,168,518$888,788$534,517$ Adjusted EBITDA, a non-GAAP measure 78,039$64,437$63,554$46,566$252,596$231,255$272,231$281,215$162,266$103,587$ EBITDA margin 15.7% 15.2% 16.5% 14.9% 15.6% 16.0% 22.7% 24.1% 18.3% 19.4% EPS $0.48 $0.39 $0.37 $0.19 $1.43 $1.29 $2.02 $2.13 $1.24 $0.73

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Non-GAAP Financial Measures 38 The fol lowing table provides a net sa les (GAAP), gross profi t (GAAP) and gross margin for the periods indicated. The tra i l ing twelve months ("TTM") period presented i s a non-GAAP reconci l ia tion period. Q1 2026 Q4 2025 Q3 2025 Q2 2025 LTM 2025 2024 2023 2022 2021 Net sales 496,936$424,217$384,238$311,567$1,616,958$1,442,076$1,200,635$1,168,518$888,788$534,517$ Gross profit 124,965 109,770 106,861 82,729 424,325 385,724 397,109 399,020 237,572 137,830 Gross margin 25.1% 25.9% 27.8% 26.6% 26.2% 26.7% 33.1% 34.1% 26.7% 25.8% The fol lowing table provides a reconci l i ation to capex and research and development as a percent of sa les for the period indicated. 2025 2024 2023 2022 2021 Capex 204,852 213,151 104,165 54,273 55,362 R&D 58,200 47,300 43,700 46,800 16,600 Total capex and R&D 263,052 260,451 147,865 101,073 71,962 Net sales 1,442,076$1,200,635$1,168,518$888,788$534,517$ Capex and R&D as a percent of sales 18.2% 21.7% 12.7% 11.4% 13.5%

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Non-GAAP Financial Measures 39 The fol lowing table provides a reconci l ia tion of total ass ets (GAAP) to invested capi ta l (non-GAAP), average invested capi ta l (non-GAAP) and return on inves ted capita l (non-GAAP) for the periods indicated. March 31, 2026 March 31, 2025 Total assets, a GAAP measure 1,789,712$1,300,193$ Less: Cash and cash equivalents 13 994 Restricted cash 1,087 1,389 Accounts payable 160,139 77,155 Accrued liabilities 136,731 97,041 Contract liabilities 55,229 16,421 Invested capital, a non-GAAP measure 1,436,513$1,107,193$ Average invested capital, a non-GAAP measure\* 1,271,853$ Net income, a GAAP measure 118,116$ Average invested capital, a non-GAAP measure 1,271,853$ Return on invested capital 9.3% The fol lowing table provides a reconci l i ati on of tota l assets (GAAP) to invested ca pita l (non-GAAP), average invested ca pita l (non-GAAP) and return on invested capi ta l (non-GAAP) for the periods indi ca ted. 2025 2024 2023 2022 2021 2020 2019 Total assets, a GAAP measure 1,686,510$1,175,234$941,436$813,903$650,180$449,008$461,439$ Less: Cash and cash equivalents 13 14 287 5,451 2,859 79,025 82,288 Restricted cash 1,226 6,500 8,736 498 628 3,263 Accounts payable 110,437 44,645 27,484 45,513 29,020 12,447 11,759 Accrued liabilities 130,990 99,347 85,508 78,630 50,206 46,586 44,269 Contract liabilities 80,670 14,913 13,757 21,424 7,542 - Invested capital, a non-GAAP measure 1,363,173$1,009,816$805,664$662,387$559,925$307,687$323,123$ Average invested capital, a non-GAAP measure\* 1,186,495$907,740$734,026$611,156$433,806$315,405$294,917$ Net income, a GAAP measure 107,593$168,559$177,623$100,376$58,758$79,009$53,711$ Average invested capital, a non-GAAP measure 1,186,495$907,740$734,026$611,156$433,806$315,405$294,917$ Return on invested capital 9.1% 18.6% 24.2% 16.4% 13.5% 25.1% 18.2%

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