Slides
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| NYSE American: INTT | InTest Corporation 17th Annual Southwest Ideas Conference NYSE American: INTT November 19, 2025 Nick Grant, President and CEO Duncan Gilmour, CFO and Treasurer
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| NYSE American: INTT | Forward-looking Statements and Key Performance Metrics Key Performance Metrics In addition to the non-GAAP measures described on the next slide, management uses orders and backlog as key performance metrics to analyze and measure the Company’s financial performance and results of operations. Management uses orders and backlog as measures of current and future business and financial performance, and these may not be comparable with measures provided by other companies. Orders represent written communications received from customers requesting the Company to provide products and/or services. Backlog is calculated based on firm purchase orders we receive for which revenue has not yet been recognized. Management believes tracking orders and backlog are useful as they are often leading indicators of future performance. In accordance with industry practice, contracts may include provisions for cancellation, termination, or suspension at the discretion of the customer. Given that each of orders and backlog are operational measures and that the Company’s methodology for calculating orders and backlog does not meet the definition of a non-GAAP measure, as that term is defined by the U.S. Securities and Exchange Commission, a quantitative reconciliation for each is not required or provided. Forward-Looking Statements This presentation includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. These statements do not convey historical information but relate to predicted or potential future events and financial results, such as statements of the Company’s plans, strategies and intentions, or our future performance or goals, that are based upon management’s current expectations. These forward-looking statements can often be identified by the use of forward-looking terminology such as “believe,” “continue,” “expects,” “guidance,” “may,” “outlook,” “plan,” “potential,” “forecasts,” “target,” “estimates,” or similar terminology. These statements are subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. Such risks and uncertainties include, but are not limited to, any mentioned in this presentation as well as the Company’s ability to execute on its Vision 2030 Growth Strategy, realize the potential benefits of acquisitions and successfully integrate any acquired operations, grow the Company’s presence in its key target and international markets, manage supply chain challenges, convert backlog to sales and to ship product in a timely manner; the success of the Company’s strategy to diversify its markets; the impact of inflation on the Company’s business and financial condition; indications of a change in the market cycles in the semi market or other markets served; changes in business conditions and general economic conditions both domestically and globally including rising interest rates and fluctuation in foreign currency exchange rates; changes in the demand for semiconductors; access to capital and the ability to borrow funds or raise capital to finance potential acquisitions or for working capital; changes in the rates and timing of capital expenditures by the Company’s customers; and other risk factors set forth from time to time in the Company’s Securities and Exchange Commission filings, including, but not limited to, the Annual Report on Form 10-K for the year ended December 31, 2024. Any forward-looking statement made by the Company in this presentation is based only on information currently available to management and speaks to circumstances only as of the date on which it is made. The Company undertakes no obligation to update the information in this presentation to reflect events or circumstances after the date hereof or to reflect the occurrence of anticipated or unanticipated events, except as required by law.
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| NYSE American: INTT | Non-GAAP Financial Measures In addition to disclosing results that are determined in accordance with generally accepted accounting practices in the United States (“GAAP”), we also disclose non- GAAP financial measures. These non-GAAP financial measures consist of adjusted net earnings, adjusted earnings per diluted share (“adjusted EPS”), adjusted EBITDA, adjusted EBITDA margin, and free cash flow. The Company defines these non-GAAP measures as follows: • Adjusted Net Earnings is derived by adding acquired intangible amortization, acquired inventory step-up expense, and restructuring costs adjusted for the tax effect of adjusting items, to net earnings. • Adjusted Earnings per diluted share (“adjusted EPS”) is derived by dividing adjusted net earnings by diluted weighted average shares outstanding. • Adjusted EBITDA is derived by adding acquired intangible amortization, acquired inventory step-up expense, restructuring costs, net interest expense, income tax expense, depreciation, and stock-based compensation expense to net earnings. • Adjusted EBITDA Margin is derived by dividing adjusted EBITDA by revenue. • Free Cash Flow is derived by subtracting capital expenditures from net cash provided by or used in operating activities. These results are provided as a complement to the results provided in accordance with GAAP. Adjusted net earnings and adjusted earnings per diluted share (adjusted EPS) are non-GAAP financial measures presented to provide investors with meaningful, supplemental information regarding our baseline performance before acquired intangible amortization, restructuring costs, and inventory step-up charges as management believes these expenses may not be indicative of our underlying operating performance. Adjusted EBITDA and adjusted EBITDA margin are non-GAAP financial measures presented primarily as a measure of liquidity as they exclude non-cash charges for acquired intangible amortization, acquired inventory step-up, depreciation and stock-based compensation. In addition, adjusted EBITDA and adjusted EBITDA margin also exclude the impact of restructuring costs, interest income or expense and income tax expense or benefit, as management believes these expenses may not be indicative of our underlying operating performance. Management believes that free cash flow provides meaningful information for evaluating our overall financial performance for comparative periods as it facilitates an assessment of funds available to satisfy current and future obligations and fund acquisitions. The non-GAAP financial measures presented in this press release are used by management to make operational decisions, to forecast future operational results, and for comparison with our business plan, historical operating results and the operating results of our peers. Reconciliations from net earnings and earnings per diluted share (EPS) to adjusted net earnings and adjusted earnings per diluted share (adjusted EPS) and from net earnings and net margin to adjusted EBITDA and adjusted EBITDA margin, are contained in the tables below. Management believes these Non-GAAP financial measures are important in evaluating our performance, results of operations, and financial position. We use non-GAAP financial measures to supplement our GAAP results to provide a more complete understanding of the factors and trends affecting our business. Non-GAAP measures as presented in this presentation may differ from and may not be comparable to similarly titled measures used by other companies.
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4NYSE American: INTT | Unlocking the Potential To be the partner of choice for innovative test and process technology solutions globally I N T E S T E N D M A R K E T S S E R V E D Vision Mission Leverage our deep industry knowledge & expertise to develop and deliver high quality innovative customer solutions and superior support for complex global challenges Life Sciences Safety/Security Other Semi Automotive/EV Defense/Aero Industrial • Diversified Technology Company • Provide highly engineered solutions • Address market-driven niche applications 39% 20% 10% 14% 4% 2% 10% TTM Q3 2024 36% 20% 12% 12% 6% 3% 11% TTM Q3 2025
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5 NYSE American: INTT | InTest Investment Highlights Strategic Market Diversification Well positioned for growth in: Auto/EV, life sciences, defense/aerospace Strong Financial Management Improving margins and debt reduction New Product Innovation and Differentiation Delivering new solutions in high potential markets Expanding Production Capacity New Malaysia facility on track for future production W E L L P O S I T I O N E D F O R G R O W T H A N D P O T E N T I A L S E M I M A R K E T R E C O V E R Y Strategic Acquisitions and Partnerships History of M&A to diversify and expand business I N T E S T R E V E N U E B Y S E G M E N T 52% 23% 25% $121.6 M TTM Q2
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6 NYSE American: INTT | Three Technology Divisions ELECTRONIC TEST ENVIRONMENTAL TECHNOLOGIES PROCESS TECHNOLOGIES A D V A N C E D A U T O M A T E D T E S T I N G • Semiconductor back-end recovery and growth • Increasing Semiconductor complexity & yield pressure driving testing demand • Electronification of end markets • Ongoing innovation & product differentiation in test platforms PRECISION TEMPERATURE - C O N T R O L A N D T E S T I N G • High-growth markets (Defense/Aero & Ultra- Cold Applications) • Expanding channel partnerships • Innovation in thermal platforms • New leadership focused on operational discipline DIFFERENTIATED PROCESS TECHNOLOGIES • Front-end Semiconductor demand (SiC/GaN Induction Heating) • Diversification across verticals (Videology) • Broad market tailwinds (Auto/EV, Industrial, Defense/Aero) • Innovative Edge AI imaging solutions & broader integrated solutions GROWTH DRIVERS PER DIVISION
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7 NYSE American: INTT | Division Semi Auto/EV Def/Aero Industrial Life Sciences Safety/ Security Electronic Test Environmental Technologies Process Technologies Estimated Avg. Market Growth* 6%-8% 2%-3% / 15%-20% 5%-7% 3%-6% 6%-9% 8%-10% Focusing on Target Markets with Attractive Growth *Estimates from Company and multiple third–party resources including Yole, TechInsights, Semi.org., Jefferies and Global Market Insights Estimated ~$2B Serviceable Addressable Market C U S T O M E R B A S E
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8 NYSE American: INTT | COMPLEXITY/CRITICALITY • A d v a n c e d p a c k a gi n g • C h i p c o m pl e x i t y • S y s t e m- on -a -c h i p • A d v a n c e d d e f e n s e s y s t e m s • C o m m e r ci a l s p a c e POWER MANAGEMENT • S i C a n d G a N d e v i c e s • E l e c t r i c i n f r a s t r u c t u r e • B a t t e r y s t o r a g e • B a t t e r y a d v a n c e m e n t s • AI • R e n e w a bl e s Technology advancements create need for innovative test and process solutions Mega Trends Provide Growth Tailwinds ELECTRONIFICATION • A d v a n c e d D r i v e r- A s s i s t a n c e S y s t e m s ( A D A S ) • A u t o n o m o u s V e h i c l e s • E V s : B E V s , P H E V s , F C E V s • E - m o b i l i t y • I n d u s t r i a l a u t o m a ti o n • E - V T O L S
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9 NYSE American: INTT | VISION 2030 Growth Strategy Global & Market Expansion Talent & Culture Strategic Acquisitions & Partnerships Service & Support Innovation & Differentiation 5-POINT OPERATING SYSTEM Focus Area Strategic Priority Revenue Growth $235–$285 M by 2030 via organic growth + acquisitions Profit Targets ~20% division operating income margin; ~10% operating income margin at mid- revenue point Innovation New product revenue to rise to 25% by 2030 Global Expansion Expand global footprint—EU (Alfamation), Asia (Malaysia), greater customer reach Efficiency & Discipline Operational excellence, cost control, disciplined financial governance
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10 NYSE American: INTT | Leveraging Global Manufacturing Footprint New Jersey (Corporate HQ & InTest EMS) Malaysia (New Shared InTest site) Canada (Acculogic) Massachusetts InTest Thermal/Videology New York (Ambrell) Italy (Alfamation) Expanding in Malaysia – “in-the-region, for-the- region strategy” Capitalizing on larger presence in Europe Exploring next region to enhance capabilities and improve customer reach Manufacturing New Locations (2024)
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11 NYSE American: INTT | New Products Key to Accelerating Revenue Growth Delivering innovation and solving customers’ complex problems E N V I R O N M E N T A L T E C H N O L O G I E S P R O C E S S T E C H N O L O G I E S E L E C T R O N I C T E S T BENCHTOP THERMOSTREAM EKOHEAT COMPACT FLEXMEDIA FAMILY
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12NYSE American: INTT | Strategic Acquisitions Remain a Critical Element of VISION 2030 Growth Strategy SCALE THE DIVISIONS: Targeting $50 million to $60 million of total acquired revenue $20 million to $40 million in size Geographic expansion Roll-up or service revenue enhancing Well defined and achievable synergies Deepen reach in target markets
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13NYSE American: INTT | ENSURING INTEST IS BEST POSITIONED TO FOR LONG TERM GROWTH Near Term Growth Initiatives Building and diversifying funnel of opportunities Widening new customer aperture Broadening channel partner network Further penetrating target markets Accelerating new product development and time-to-market Continue to institutionalize culture of operational excellence
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14 NYSE American: INTT | Financial Overview
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15 NYSE American: INTT |
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16NYSE American: INTT | Orders and Backlog (1) Sequentially, orders up 35.6% • Led by Auto/EV, which accounted for 76% of the increase • Auto/EV orders increased 106% driven by 2027 model year program starts; Alfamation had record orders for quarter • Defense/Aerospace increased 156% due to increased test demand for next generation weapons systems • Encouraged to see some pockets of customers move forward with capital projects Q3 orders up 34.2% y/y • Strength in Auto/EV, Industrial and Defense/Aerospace Backlog up 30.1% sequentially • Approximately 55% of backlog is expected to ship beyond Q4 2025 $28.1 $27.8 Q3 24 Q2 25 Q3 25 $129.6 $116.6 $107.7 $121.4 2022 2023 2024 TTM Q3 2025 ORDERS $45.5 $39.5 $38.2 $37.9 $49.3 9/30/2024 12/31/2024 3/31/2025 6/30/2025 9/30/2025 QuartersYears BACKLOG ($ in millions) $37.6
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17NYSE American: INTT | Revenue Revenue down $1.9 million sequentially • Due to late-quarter shipment delays • Declines in Defense/Aerospace, Auto/EV, Semi and Industrial • Life Sciences, Safety/Security and Other markets increased compared with trailing second quarter 3Q 2025 revenue down $4.0 million y/y • Semi decreased $1.6 million • Auto/EV decreased $1.3 million • Partially offset by increases in Life Sciences, Safety/Security and Industrial Continue to diversify in target markets $116.8 $123.3 $130.7 $117.6 2022 2023 2024 TTM Q3 2025 Years 36% 20% 12% 12% 6% 3% 11% TTM Q3 2025 $30.3 $28.1 $26.2 Q3 2024 Q2 2025 Q3 2025 Quarters Life Sciences Safety/Security Other ($ in millions) 39% 20% 10% 14% 4% 2% 10% TTM Q3 2024 Semi Auto/EV Defense/Aerospace Industrial
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18NYSE American: INTT | Gross Profit and Margin Sequential margin contraction of 70 bps • Primarily attributable to lower volume • Continue to execute tariff mitigation tactics Q3 gross margin of 41.9% decreased 440 bps y/y • Reflecting lower volume and unfavorable product mix $14.0 $12.0 $11.0 46.3% 42.6% 41.9% Q3 2024 Q2 2025 Q3 2025 $53.4 $57.0 $55.4 $48.6 45.7% 46.2% 42.4% 41.3% 2022 2023 2024 TTM Q3 2025 QuartersYears ($ in millions)
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19NYSE American: INTT | Operating Expenses Q3 2025 operating expenses decreased $0.7 million sequentially • Better than forecasted Y/Y, operating expenses decreased $1.3 million • Primarily due to cost reduction efforts • Operating expenses include $0.8 million of amortization and $0.1 million of restructuring costs • Consolidating Videology facilities for estimated $0.5 million annualized savings beginning in 2026 Maintaining rigorous spending discipline ($ in millions) NOTE: Components may not add up to totals due to rounding. $4.3 $3.8 $3.8 $2.2 $2.2 $2.3 $6.1 $5.8 $5.1 $0.9 $0.9 $0.8 $0.2 $0.1 $13.5 $12.9 $12.2 Q3 2024 Q2 2025 Q3 2025 46.4%44.7% Operating expenses as a % of sales $15.9 $17.6 $17.4 $16.5 $7.5 $7.6 $8.5 $9.2 $16.6 $19.2 $23.6 $22.5 $2.7 $2.1 $2.5 $2.6 $0.6 2022 2023 2024 TTM Q3 2025 QuartersYears 36.6% 37.7% 39.8% 43.8% Selling Engineering G&A Amortization Restructuring 45.6% $42.7 $46.5 $52.0 $51.5
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20 NYSE American: INTT | Earnings (Loss) and Adjusted EBITDA(2) (2) Adjusted Net Earnings, Adjusted EPS, Adjusted EBITDA, Adjusted EBITDA Margin and Free Cash Flow are non-GAAP financial measures. Further information can be found under “Non-GAAP Financial Measures.” See also the reconciliations of GAAP financial measures to non-GAAP financial measures within the “Supplemental Information” that accompanies this presentation. $0.5 $(0.5) $(0.9) $2.4 $1.3 $0.4 8.1% 4.5% 1.5% Q3 24 Q2 25 Q3 25 $0.04 $(0.04) $(0.08) $0.10 $0.03 $(0.02) Q3 24 Q2 25 Q3 25 EPS and Adjusted EPS(2) Net Earnings (Loss) and Adjusted EBITDA/ Adjusted EBITDA Margin (2) $8.5 $9.3 $2.9 $(2.3) $16.0 $15.8 $10.8 $5.2 13.7% 12.8% 8.3% 4.4% 2022 2023 2024 TTM Q3 2025 Net Earnings (Loss) Adjusted EBITDA $0.78 $0.79 $0.24 $(0.19) $0.99 $0.94 $0.51 $0.13 2022 2023 2024 TTM Q3 2025 EPS Adjusted EPS Quarters Quarters Years Years (2) (2) ($ in millions, except per share data)
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21 NYSE American: INTT | (3) Figures may not sum precisely to the totals due to rounding conventions. Cash Flow Three Months Ended Nine Months Ended 9/30/25 9/30/24 9/30/25 9/30/24 Net cash provided by operating activities (GAAP) $ 3.5 $4.2 $ 8.4 $ 1.2 Capital expenditures (0.4) (0.5) (1.1) (1.2) Free cash flow (2), (3) (Non-GAAP) $ 3.1 $ 3.7 $ 7.2 $ 0.1 Capitalization 9/30/25 9/30/24 12/31/24 Cash, cash equivalents and restricted cash $ 21.1 $ 18.0 $ 19.8 Total debt $ 8.9 $ 16.1 $ 15.0 Shareholders’ equity $ 101.9 $ 100.4 $ 99.8 Total capitalization (3) $ 110.7 $ 116.5 $ 114.8 Capital Structure and Cash Flow Approximately $61 million in liquidity at 9/30/2025 • Includes $21.1 million in cash, cash equivalents and restricted cash • $40 million borrowing capacity Reduced debt by $6.2 million during first nine months 2025 • $1.2 million in Q3 2025 Leverage ratio was 1.7x (debt/TTM Adj. EBITDA (2) ) ($ in millions)
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22 NYSE American: INTT | Guidance provided as of November 5, 2025. The foregoing guidance is based on management’s current views with respect to operating and market conditions and customers’ forecasts. It also assumes macroeconomic conditions remain unchanged through the end of the year and does not take into account any extraordinary non-operating expenses that may occur from time to time. Actual results may differ materially from what is provided here today as a result of, among other things, the factors described under “Forward-Looking Statements” on slide 2. Fourth Quarter Guidance Expecting to deliver Q/Q Revenue Growth • Revenue expected to be $30 million to $32 million • Gross margin approximately 43% • Operating expenses of $12.3 million to $12.7 million • Excludes ~$0.2 million in Videology and other restructuring expenses • Amortization and interest expense are expected to be similar to Q3 2025 Considerations • Technical challenges with new capabilities resolved, guidance includes ~$2 million of Q3 delayed shipments • Long-term fundamentals remain intact with InTest maintaining strong market leadership in niche, high-value applications • Benefiting from diversification efforts • Strengthened readiness for recovery • Backlog improved and pipeline is robust • Customer remain hesitant to commit to capital projects in certain markets Outlook excludes any potential acquisitions and incremental restructuring VISION 2030 Defining the Next Phase of InTest’s Future
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23 NYSE American: INTT | InTest Investment Highlights Strategic Market Diversification Well positioned for growth in: Auto/EV, life sciences, defense/aerospace Strong Financial Management Improving margins and debt reduction New Product Innovation and Differentiation Delivering new solutions in high potential markets Expanding Production Capacity New Malaysia facility on track for future production W E L L P O S I T I O N E D F O R G R O W T H A N D P O T E N T I A L S E M I M A R K E T R E C O V E R Y Strategic Acquisitions and Partnerships History of M&A to diversify and expand business I N T E S T R E V E N U E B Y S E G M E N T 52% 23% 25% $121.6 M TTM Q2
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| NYSE American: INTT | InTest Corporation 17th Annual Southwest Ideas Conference NYSE American: INTT November 2025 Nick Grant, President and CEO Duncan Gilmour, CFO and Treasurer
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25 NYSE American: INTT | Appendix
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26NYSE American: INTT | Highly-Engineered Automated Test Solutions F Y 2 0 2 4 R E V E N U E ( 4 9 % ) Electronic Test Division A D V A N C E D A U T O M A T E D T E S T I N G • Docking solutions • Manipulators • Electrical interfaces • Flying probe testers • Battery test systems • Automated electronics and optical test solutions S E R V I N G D I V E R S E E N D M A R K E T S • Back-end semi • Auto/EV • Industrial • Life sciences • Defense/aero • Consumer electronics The InTest Advantage • Engineering expertise combined with strong customer partnerships • Multi-test functionality across products and solutions • Setting the standard for Quality Assurance • Configurable designs catering to customer-specific applications • Exceptional control and flexibility promotes streamlined operations • Integrated systems for the most challenging applications
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27NYSE American: INTT | A global leader in precision temperature control solutions F Y 2 0 2 4 R E V E N U E ( 2 2 % ) Environmental Technologies Division P R E C I S I O N T E M P E R A T U R E- C O N T R O L A N D T E S T I N G • Integrated circuits • Printed circuit boards • Electronic components and products • Low temperature industrial process chillers S E R V I N G D I V E R S E E N D M A R K E T S • Semiconductor • Defense/aero • Automotive/EV • Life sciences • Industrial The InTest Advantage • Broadest range of temperature testing solutions • Superior product performance providing accurate temperature control from -185ºC to 500ºC • Offers rapid temperature cycling up to 100ºC/minute to accelerate test processing time and improve throughput
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28NYSE American: INTT | Technical expertise and customized solutions for wide variety of applications across multiple markets F Y 2 0 2 4 R E V E N U E ( 2 9 % ) Process Technologies Division P R O C E S S T E C H N O L O G I E S • Induction heating solutions • Embedded image capture systems The InTest Advantage • Engineering expertise, robust and precise heating solutions and THE LAB to prove the process • Board level image capture and edge AI technology enables positioning, identification and inspection • Nearly 20,000 induction heating systems and more than 1.2 Million cameras installed in more than 50 countries S E R V I N G D I V E R S E M A R K E T S • Packaging & consumer products • Automotive/EV • Defense/aero • Semiconductor crystal growth and epitaxy • Energy and utilities • Medical devices • Fasteners
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29 NYSE American: INTT | Employed Lean Six Sigma Discipline Established a Culture of Operational Excellence Data Driven Analysis • Improve processes • Eliminate waste • Enhance performance Define, Measure, Analyze, Improve, Control Objectives: • Enhance efficiencies • Promote continuous improvement • Reduce operational costs • Drive data-driven decision making • Deliver better customer benefits: quality, reduced lead-times, lower costs, etc.
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30 NYSE American: INTT | Supplemental Information
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| NYSE American: INTT | 31 ($ in thousands, except per share amounts) Reconciliation of Net Earnings to Adjusted Net Earnings (Non-GAAP) and Earnings Per Diluted Share to Adjusted Earnings Per Diluted Share (Non-GAAP) 9/30/2024 12/31/2024 3/31/2025 6/30/2025 9/30/2025 Net earnings (loss) 495$ 1,504$ (2,329)$ (503)$ (938)$ Acquired intangible amortization 944 109 813 850 841 Restructuring costs - - 313 216 116 Acquired inventory step-up - 1,570 - - - Tax effect of adjusting items (128) (401) (186) (165) (217) Adjusted net earnings (loss)(2) (Non-GAAP) 1,311$ 2,782$ (1,389)$ 398$ (198)$ Diluted weighted average shares outstanding 12,252 12,216 12,179 12,246 12,209 Net earnings per diluted share: Net earnings (loss) 0.04$ 0.12$ (0.19)$ (0.04)$ (0.08)$ Acquired intangible amortization 0.08 0.01 0.07 0.07 0.07 Restructuring costs - - 0.03 0.02 0.01 Acquired inventory step-up - 0.13 - - - Tax effect of adjusting items (0.01) (0.03) (0.02) (0.01) (0.02) Adjusted net earnings (loss) per diluted share(2)(3) (Non-GAAP) 0.11$ 0.23$ (0.11)$ 0.03$ (0.02)$ Three Months Ended
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| NYSE American: INTT | 32 Reconciliation of Net Earnings to Adjusted Net Earnings (Non-GAAP) and Earnings Per Diluted Share to Adjusted Earnings Per Diluted Share (Non-GAAP) ($ in thousands, except per share amounts) TTM Ended 2022 2023 2024 9/30/2025 Net earnings (loss) 8,461$ 9,342$ 2,891$ (2,266)$ Acquired intangible amortization 2,694 2,095 2,545 2,613 Restructuring costs - - - 645 Acquired inventory step-up - - 1,570 1,570 Tax effect of adjusting items (447) (324) (792) (969) Adjusted net earnings (loss)(2) (Non-GAAP) 10,708$ 11,113$ 6,214$ 1,593$ Diluted weighted average shares outstanding 10,863 11,780 12,239 12,213 Net earnings per diluted share: Net earnings (loss) 0.78$ 0.79$ 0.24$ (0.19)$ Acquired intangible amortization 0.25 0.18 0.21 0.21 Restructuring costs - - - 0.05 Acquired inventory step-up - - 0.13 0.13 Tax effect of adjusting items (0.04) (0.03) (0.06) (0.08) Adjusted net earnings (loss) per diluted share(2)(3) (Non-GAAP) 0.99$ 0.94$ 0.51$ 0.13$ Years Ended December 31,
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| NYSE American: INTT | 33 Reconciliation of Net Earnings and Net Margin to Adjusted EBITDA (Non-GAAP) and Adjusted EBITDA Margin (Non-GAAP) ($ in thousands) 9/30/2024 12/31/2024 3/31/2025 6/30/2025 9/30/2025 Net earnings (loss) 495$ 1,504$ (2,329)$ (503)$ (938)$ Acquired intangible amortization 944 109 813 850 841 Acquired inventory step-up - 1,570 - - - Net interest expense 36 109 37 30 (18) Income tax expense (benefit) 74 298 (460) (80) (289) Depreciation 355 415 316 314 317 Restructuring costs - - 313 216 116 Non-cash stock-based compensation 537 407 423 435 354 Adjusted EBITDA(2) (Non-GAAP) 2,441$ 4,412$ (887)$ 1,262$ 383$ Revenue 30,272 36,603 26,637 28,130 26,236 Net margin 1.6% 4.1% (8.7%) (1.8%) (3.6%) Adjusted EBITDA margin(2) (Non-GAAP) 8.1% 12.1% (3.3%) 4.5% 1.5% Three Months Ended
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| NYSE American: INTT | 34 Reconciliation of Net Earnings and Net Margin to Adjusted EBITDA (Non-GAAP) and Adjusted EBITDA Margin (Non-GAAP) ($ in thousands) TTM Ended 2022 2023 2024 9/30/2025 Net earnings (loss) 8,461$ 9,342$ 2,891$ (2,266)$ Acquired intangible amortization 2,694 2,095 2,545 2,613 Acquired inventory step-up - - 1,570 1,570 Net interest expense (income) 600 (404) (7) 158 Income tax expense (benefit) 1,684 1,706 563 (531) Depreciation 810 1,021 1,399 1,362 Restructuring costs - - - 645 Non-cash stock-based compensation 1,787 2,047 1,857 1,619 Adjusted EBITDA(2) (Non-GAAP) 16,036$ 15,807$ 10,818$ 5,170$ Revenue 116,828 123,302 130,690 117,606 Net margin 7.2% 7.6% 2.2% (1.9%) Adjusted EBITDA margin(2) (Non-GAAP) 13.7% 12.8% 8.3% 4.4% Years Ended December 31,
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| NYSE American: INTT | 35 Segment Reporting (Quarterly) ($ in thousands) 9/30/2024 12/31/2024 3/31/2025 6/30/2025 9/30/2025 Electronic Test $ 15,481 $ 21,122 $ 13,259 $ 13,733 $ 12,099 Environmental Technologies 6,734 7,063 6,268 7,215 7,490 Process Technologies 8,057 8,418 7,110 7,182 6,647 Total Revenue $ 30,272 $ 36,603 $ 26,637 $ 28,130 $ 26,236 % of divsional revenue % of divsional revenue % of divsional revenue % of divsional revenue % of divsional revenue Electronic Test $ 2,311 15% $ 2,865 14% $ 681 5% $ 1,560 11% $ 1,146 9% Environmental Technologies 426 6% 682 10% (255) (4%) 611 8% 780 10% Process Technologies 1,070 13% 971 12% 207 3% 399 6% (98) (1%) Total income from divisional operations 3,807 13% 4,518 12% 633 2% 2,570 9% 1,828 7% Corporate expense (2,376) (2,330) (2,388) (2,431) (2,064) Acquired intangible amortization (944) (109) (813) (850) (841) Restructuring costs - - (313) (216) (116) Interest expense (219) (234) (152) (119) (95) Other income (expense) 301 (43) 244 463 61 Earnings before income tax expense 569$ 1,802$ (2,789)$ (583)$ (1,227)$ Three Months Ended
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| NYSE American: INTT | 36 Segment Reporting (12 Months) ($ in thousands) TTM Ended 2023 2024 9/30/2025 Electronic Test $ 41,016 $ 63,878 $ 60,213 Environmental Technologies 30,801 28,898 28,036 Process Technologies 51,485 37,914 29,357 Total Revenue $ 123,302 $ 130,690 $ 117,606 % of divsional revenue % of divsional revenue % of divsional revenue Electronic Test $ 10,189 25% $ 8,732 14% $ 6,252 10% Environmental Technologies 3,073 10% 2,116 7% 1,818 6% Process Technologies 9,544 19% 4,972 13% 1,479 5% Total income from divisional operations 22,806 18% 15,820 12% 9,549 8% Corporate expense (10,272) (9,881) (9,213) Acquired intangible amortization (2,095) (2,545) (2,613) Restructuring costs - - (645) Interest expense (679) (846) (600) Other income (expense) 1,288 906 725 Earnings before income tax expense 11,048$ 3,454$ (2,797)$ Years Ended December 31,