SYNA Q2 2026 Earnings Presentation

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© 2024 Synaptics Incorporated 2 © 2026 Synaptics Incorporated 2 Safe Harbor Statement This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and the safe harbors created under the Securities Act of 1933, as amended, and the Securities Act of 1934, as amended. Such forward-looking statements include words such as “expect,” “anticipate,” “intend,” “believe,” “estimate,” “plan,” “target,” “strategy,” “continue,” “may,” “will,” commit,” “should,” and/or variations of such words, or other words and terms of similar meaning. These forward looking statements reflect the company’s best judgment based on current expectations, projections and assumptions relating to its financial condition, results of operations, plans, objectives, future performance and business, including statements regarding the company’s financial guidance for the third quarter of fiscal 2026, anticipated business trends and growth drivers in Core IoT and Edge AI, product development and integration activities, strategic and technology investments, operational discipline, backlog, demand conditions, and capital allocation initiatives, including share repurchases, subject to market conditions, liquidity and board authorization. All forward-looking statements are inherently subject to known and unknown risks, uncertainties and other factors which may cause actual future results, performance or achievements to differ materially from the future results, performance or achievements expressed in or implied by such forward-looking statements. Factors that could cause actual results to differ materially from those set out in the forward-looking statements include, but are not limited to: macroeconomic uncertainties in the United States and globally, including the effects of trade restrictions, tariffs, inflation, changes in export controls or other laws affecting trade and investment, or geopolitical tensions such as the conflict in the Middle East, any of which may lead to reduced customer demand, supply chain disruptions, increased costs, and operational adjustments (such as reductions in force); the company’s ability to successfully execute on its strategies, including new product introductions, acquisitions and strategic partnerships; manufacturing and supply chain risks, including the company’s dependence on third parties to maintain satisfactory manufacturing yields and deliverable schedules, constraints or imbalances in the availability of critical components (including memory components used in combination with the company’s products) or delays from third-party foundries and assemblers; risks related to customer concentration, inventory corrections, or changes in end-market adoption trends; the company’s dependence on one or more large customers, including risks relating to the loss or non-renewal of contracts with key customers; the company’s exposure to industry downturns and cyclicality in its target markets; expectations related to the company’s financial performance for the upcoming quarter; demand variability in the Core IoT and Enterprise and Automotive markets; inflationary pressures, fluctuating interest rates, and exchange rate volatility; the company’s ability to execute on its cost reduction initiatives and to achieve expected synergies and expense reductions; the company’s ability to maintain and build relationships with its customers; the company’s indemnification obligations for any third party claims; risks associated with leadership transitions, including continuity and retention of key technical or managerial personnel; risks related to the company’s ability to deliver expected financial or strategic benefits from investing in growth while simultaneously returning capital to stockholders through share repurchases; and other risks as identified in the “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Business” sections of the company’s most recent Annual Report on Form 10-K and Quarterly Report on Form 10-Q; and other risks as identified from time to time in the company’s Securities and Exchange Commission reports. Please also refer to the Cautionary Statement Regarding Forward-Looking Statements included in the company’s earnings press release dated February 5, 2026, for additional information. Forward-looking statements are based on information available to the company on the date hereof, and the company assumes no obligation to update publicly any forward-looking statements in light of new information or future events, except as required by law. Non-GAAP Financial Information This presentation also includes non-GAAP financial measures. These non-GAAP financial measures are in addition to, and not as a substitute for or superior to measures of financial performance prepared in accordance with GAAP. There are a number of limitations related to the use of these non-GAAP financial measures versus their nearest GAAP equivalents. For example, other companies may calculate non-GAAP financial measures differently or may use other measures to evaluate their performance, all of which could reduce the usefulness of the Company’s non-GAAP financial measures as tools for comparison. Further information regarding these non-GAAP financial measures, including a reconciliation of each of these measures to the most directly comparable GAAP measure, is included in the Appendix to this presentation.

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© 2025 Synaptics Incorporated 3 © 2026 Synaptics Incorporated 3 Fifth Consecutive Quarter of Double-Digit Revenue Growth Core IoT Momentum Continues Revenue Q2 2026 Revenue $ Q2 2026 YoY Growth Total Revenue Growth Q2 2026 YoY Growth Core IoT Revenue Growth Non-GAAP EPS Growth (1) Q2 2026 YoY Growth (1) Non-GAAP EPS is a non-GAAP measure. See the tables at the end of this presentation for a reconciliation of GAAP results to non-GAAP financial measures

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© 2025 Synaptics Incorporated 4 © 2026 Synaptics Incorporated 4 Revenue Strong Margin Profile Core IoT Product ApplicationsBroad Product Portfolio High-Performance Semiconductor Solutions Leader Q2’26 Non-GAAP Gross Margin 53.6%(1) Q2’26 Core IoT Revenue Grew 53% YoY Analog Mixed-Signal Multi-Core Processors Wireless Connectivity Q2’26 Revenue up 13% YoY Note: As-reported Q2 fiscal year 2026, not pro forma for any acquisition/divestiture activity over this timeframe (1) Non-GAAP gross margin is a non-GAAP measure. For a reconciliation to the most directly comparable financial measure prepared in accordance with GAAP, please see the appendix of this presentation

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© 2025 Synaptics Incorporated 5 © 2026 Synaptics Incorporated 5 Core IoT Applications Technology Leadership Across The Product Portfolio Wireless Video InterfacePC Touchpad/ Biometric Fingerprint Processors AutomotiveEnterprise Telephony Enterprise & Automotive Mobile Touch

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© 2025 Synaptics Incorporated 6 © 2026 Synaptics Incorporated 6 Q2’FY26 Financial Highlights Q2’FY26 Revenue $302.5M (1) Non-GAAP gross margin and non-GAAP diluted earnings per share are non-GAAP measures. See the tables at the end of this presentation for a reconciliation of GAAP results to non-GAAP financial measures $48 $93 $161 Mobile Core IoT Enterprise & Auto • Revenue of $302.5 million, up 13% YoY • Core IoT revenue increased 53% YoY • GAAP & Non-GAAP gross margins(1) improved QoQ – GAAP gross margin of 43.5% – Non-GAAP gross margin of 53.6% • GAAP loss per share of $0.38 • Non-GAAP diluted earnings per share (1) of $1.21 • Cash flow from operations of $30 million

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© 2025 Synaptics Incorporated 7 © 2026 Synaptics Incorporated 7 $0.92 $1.21 Q2 '25 Q2 '26 $61 $93 Q2 '25 Q2 '26 $267 $303 Q2 '25 Q2 '26 Solid YoY Growth Revenue Non-GAAP EPSCore IoT Revenue Core IoT revenue increased 53% Non-GAAP EPS growth of 32%(1)Revenue up 13% YoY (1) Non-GAAP EPS is a non-GAAP measure. For a reconciliation to the most directly comparable financial measure prepared in accordance with GAAP, please see the appendix of this presentation

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© 2025 Synaptics Incorporated 8 © 2026 Synaptics Incorporated 8 Quarterly Revenue and Gross Margin Trend Total Revenue ($M) GAAP Gross Margin Non-GAAP Gross Margin(1) Note: As-reported, not proforma for any acquisition/divestiture activity over this timeframe (1)Non-GAAP gross margin is a non-GAAP measure. See the tables at the end of this presentation for a reconciliation of GAAP results to non-GAAP financial measures $267 $267 $283 $293 $303 Q2'25 Q3'25 Q4'25 Q1'26 Q2'26 45.7% 43.4% 43.0% 42.6% 43.5% Q2'25 Q3'25 Q4'25 Q1'26 Q2'26 53.6% 53.5% 53.5% 53.2% 53.6% Q2'25 Q3'25 Q4'25 Q1'26 Q2'26

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© 2025 Synaptics Incorporated 9 © 2026 Synaptics Incorporated 9 Q2 ‘FY26 Financial Results See the tables at the end of this presentation for a reconciliation of GAAP results to non-GAAP financial measures $M (except EPS) Q2'25 Q1’26 Q2'26 QoQ YoY Revenue $267.2 $292.5 $302.5 3% 13% GAAP Gross Margin % 45.7% 42.6% 43.5% 90 bps -220 bps GAAP Operating Expenses $137.4 $147.8 $146.8 (1%) 7% GAAP Operating Margin -5.7% -8.0% -5.0% 300 bps 70 bps GAAP EPS $0.05 ($0.53) ($0.38) 28% (860%) Non-GAAP Gross Margin % 53.6% 53.2% 53.6% 40 bps 0 bps Non-GAAP Operating Expenses $97.1 $104.0 $104.2 0.2% 7% Non-GAAP Operating Margin 17.3% 17.6% 19.2% 160 bps 190 bps Non-GAAP EPS Diluted $0.92 $1.09 $1.21 11% 32%

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© 2025 Synaptics Incorporated 10 © 2026 Synaptics Incorporated 10 Q2 ‘FY26 Balance Sheet Balances are as of the end of each quarter presented Debt, net balance reflects debt net of discount and debt issuance costs In Millions Q2'25 Q1’26 Q2'26 Cash & ST Investments $596.1 $459.9 $437.4 Accounts Receivables $146.5 $119.5 $132.7 Inventory $119.5 $143.1 $158.0 PP&E $75.3 $77.4 $83.1 Other $1,590.1 $1,777.2 $1,752.1 Total Assets $2,527.5 $2,577.1 $2,563.3 Current Liabilities (excluding debt) $229.8 $262.0 $263.4 Debt, net $832.5 $835.4 $836.0 Other Liabilities $89.1 $79.1 $80.1 Shareholder’s Equity $1,376.1 $1,400.6 $1,383.8 Total Liabilities & Equity $2,527.5 $2,577.1 $2,563.3

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© 2025 Synaptics Incorporated 11 © 2026 Synaptics Incorporated 11 Q3 ‘FY26 Guidance $M (except EPS) GAAP Non-GAAP Revenue $290M ± $10M $290M ± $10M Gross Margin* 45.0% ± 2.0% 53.5% ± 1.0% Operating Expenses** $150M ± $4M $106M ± $2M EPS*** ($0.46) ± $0.25 $1.00 ± $0.15 Revenue mix Core IoT 32% 32% Enterprise & Auto 54% 54% Mobile 14% 14% *Projected Non-GAAP gross margin excludes $24.0 to $25.0 million acquisition and integration-related costs and $1.0 million share-based compensation. **Projected Non-GAAP operating expense excludes $38.0 to $40.0 million share-based compensation, $1.0 to $2.0 million restructuring costs, and $3.0 to $4.0 million acquisition and integration related costs. ***Projected Non-GAAP earnings (loss) per share excludes $1.0 to $1.01 in share-based compensation, $0.03 to $0.05 restructuring costs, $0.69 to $0.71 acquisition and integration related costs, and ($0.16) to ($0.41) other non-cash and Non-GAAP tax adjustments. The company’s outlook also is subject to the fluid macroeconomic global trade and tariff environment which remains uncertain at this time (refer to the “Safe Harbor Statement” on slide 2 and to the “Risk Factors,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Business” sections of our most recent Annual Report on Form 10-K and Quarterly Report on Form 10-Q.

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© 2025 Synaptics Incorporated 15 © 2026 Synaptics Incorporated 15 Economic dilutive impact of a Convertible and Capped call Stock Price Dilution from Convertible (mm) (Accretion) from Capped Call (mm) Net Dilution (mm) $75.24 0 0 0 $80.00 0 0 0 $90.00 0 0 0 $100.00 0.0 -0.0 0 $110.00 0.4 -0.4 0 $120.00 0.8 -0.8 0 $130.00 1.1 -1.1 0 $140.00 1.3 -1.3 0 $150.00 1.5 -1.5 0 $160.00 1.7 -1.4 0.3 $170.00 1.9 -1.4 0.5 $180.00 2.0 -1.3 0.7 $190.00 2.1 -1.2 0.9 $200.00 2.3 -1.2 1.1

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