Diodes Incorporated (DIOD) Plano, TX, USA Second Quarter 2025 Financial Results August 7, 2025 Exhibit 99.2

Safe Harbor Statement Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995: Any statements set forth above that are not historical facts are forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Such statements include statements containing forward-looking words such as “expect,” “anticipate,” “aim,” “estimate,” and variations thereof, including without limitation statements, whether direct or implied, regarding expectations of that for the third quarter of 2025, we expect revenue to be approximately $392 million plus or minus 3 percent; we expect GAAP gross margin to be 31.6 percent, plus or minus 1 percent; non-GAAP operating expenses, which are GAAP operating expenses adjusted for amortization of acquisition-related intangible assets, are expected to be approximately 26.0 percent of revenue, plus or minus 1 percent; we expect non-GAAP net interest income to be approximately $1.0 million; we expect our income tax rate to be 18.0 percent, plus or minus 3 percent; shares used to calculate diluted EPS for the third quarter are anticipated to be approximately 46.5 million. Potential risks and uncertainties include, but are not limited to, such factors as: the risk that such expectations may not be met; the risk that the expected benefits of acquisitions may not be realized or that integration of acquired businesses may not continue as rapidly as we anticipate; the risk that we may not be able to maintain our current growth strategy or continue to maintain our current performance, costs, and loadings in our manufacturing facilities; the risk that we may not be able to increase our automotive, industrial, or other revenue and market share; risks of domestic and foreign operations, including excessive operating costs, labor shortages, higher tax rates, and our joint venture prospects; the risks of cyclical downturns in the semiconductor industry and of changes in end-market demand or product mix that may affect gross margin or render inventory obsolete; the risk of unfavorable currency exchange rates; the risk that our future outlook or guidance may be incorrect; the risks of global economic weakness or instability in global financial markets; the risks of trade restrictions, tariffs, or embargoes; the risk of breaches of our information technology systems; and other information, including the “Risk Factors” detailed from time to time in Diodes’ filings with the United States Securities and Exchange Commission. This presentation also contains non-GAAP measures. See the Company’s press release on August 7, 2025 titled, “Diodes Incorporated Reports Second Quarter Fiscal 2025 Financial Results” for detailed information related to the Company’s non-GAAP measures and a reconciliation of GAAP net income to non-GAAP net income.

About Diodes Incorporated Vision: Profitability Growth to MaximizeShareholder Value Our Core Values: Integrity, Commitment,Innovation Diodes delivers analog and discrete power solutions through its high-quality semiconductor products to the world’s leading companies in the automotive, industrial, computing, consumer electronics, and communications markets. 66 Years in business 33 Consecutive yearsof profitability ~8400 Number ofemployees 1.31Bn Annual Revenue >39Bn >28K Number ofproducts (SKU)shipped >50K Number ofcustomers 42% of product revenue from automotive/industrial Stock Symbol Number of units shipped DIOD FY 2024

Longer Term $B Corporate Objectives Goal 1: $1B Market Cap Goal 2: $1B Annual Revenue Goal 3: $1B Gross Profit Goal 4: $1B Profit Before Tax $1B Market Cap $1B Revenue $1B Gross Profit $1B PBT - 2010 - 2017 Next Target:$1B Gross Profit Gross Margin: 40%Revenue: $2.5B

Targeted Market Segment Goal Automotive Connected driving, comfort/style/safety, electrification/powertrain Industrial Embedded systems, precision controls, medical, clean energy, machine to machine, robotics, motor controls, and AIoT Consumer IoT: wearables, home automation, home appliances, smart infrastructure, and charging solutions Communications Smart phones, 5G networks, and enterprise networking Computing Cloud computing: server, AI server, storage, data centers, and edge AI ~60% of revenue ~40% of revenue (58% for Q2 2025) (42% for Q2 2025)

Profitability Growth Track Record of Continued Outperformance Annual Revenue Gross Profit ($ in millions) ($ in millions) CAGR: 10% (2005 – 2024) CAGR: 10% (2005 - 2024)

Gross Margins and EPS Gross Margins (%) EPS (Non-GAAP) ($) CAGR: 7.3% (2012 - 2024)

2Q FY25 Highlights 2Q revenue exceeded expectations and grew 10% sequentially and 14% year-over-year Strong balance sheet with $333 million in cash and cash equivalents*; $54 million in total debt * Cash and cash equivalents, restricted cash, and short-term investments Non-GAAP earnings growth of ~70 % sequentially Point of sales (POS) increased sequentially across all regions with double-digit growth in Asia Guiding 3Q’25 to grow 12% year-over-year at the mid-point, the 4th consecutive quarter of YoY growth

2Q FY25 Performance * Cash and cash equivalents, restricted cash, and short-term investments $366.2M +10.3% Q-Q Revenue $115.3M 31.5% Flat Q-Q GAAP Gross Margin $0.32 +68.4% Q-Q Non-GAAP EPS $15M +70.5% Q-Q Non-GAAP Net Income $84.5M EBITDA 23.1% of Revenue Cash Flow from Ops 11.3% of Revenue Strong Balance Sheet $333M/$54M Cash*/Debt $41.5M +10.2% Q-Q GAAP Gross Profit

Revenue Profile for Second Quarter 2025

Quarterly Performance Quarterly Gross Profit ($ Millions) Quarterly Revenue ($ Millions)

Income Statement – Second Quarter 2025 ($ in millions, except EPS) 2Q24 1Q25 2Q25 Net sales 319.8 332.1 366.2 Gross profit (GAAP) 107.4 104.7 115.3 Gross profit margin % (GAAP) 33.6% 31.5% 31.5% Net income (GAAP) 8.0 (4.4) 46.1 Net income (non-GAAP) 15.4 8.8 15.0 Diluted EPS (non-GAAP) 0.33 0.19 0.32 Cash flow from operations 14.4 56.7 41.5 EBITDA (non-GAAP) 41.1 26.2 84.5

Balance Sheet ($ in millions) Dec 31, 2023 Dec 31, 2024 June 30, 2025 Cash* 329 322 333 Inventory 390 475 483 Current assets 1,187 1,224 1,245 Total assets 2,368 2,386 2,472 Total debt 62 52 54 Total liabilities 558 517 537 Total equity 1,810 1,869 1,934 * Cash and cash equivalents, restricted cash, and short-term investments

Revenue to be ~$392 million, +/- 3.0% representing 12 percent growth over the prior year period at the mid-point, which will be the fourth consecutive quarter of year-over-year growth GAAP gross margin of 31.6%, +/- 1% Non-GAAP operating expenses 26.0% of revenue, +/- 1%, which are GAAP operating expenses adjusted for amortization of acquisition-related intangible assets Net interest income of ~$1.0 million Income tax rate to be 18.0%, +/- 3% Shares used to calculate diluted EPS are approximately 46.5 million Amortization of $4.8 million, after tax, for previous acquisitions is not included in these non-GAAP estimates *Guidance as provided on August 7, 2025 Business Outlook - Third Quarter 2025

Investment Summary Vision: Expand shareholder value Mission: Profitability growth to drive 20%+ operating profit Next Strategic Goal: $1B gross profit Tactics: Total system solutions sales approach and content expansion driving growth Focus on key accounts Increased focus on high-margin automotive, industrial, analog and discrete power solutions Investment for technology leadership in target products, fab processes, and advanced packaging Accelerate fab process and product qualifications

Reconciliation of Net Income to Adjusted Net Income (in thousands, except per share data) (unaudited) Note: Included in GAAP net income and non-GAAP adjusted net income was approximately $4.6 million, net of tax, non-cash share-based compensation expense. Excluding share-based compensation expense, both GAAP and non-GAAP diluted earnings per share would have improved by $0.10 per share. For the three months ended June 30, 2025

GAAP to Non-GAAP Reconciliation Note: Included in GAAP and non-GAAP income was approximately $3.4 million and $2.8 million respectively, net of tax, non-cash share-based compensation expense. Excluding share-based compensation expense, GAAP diluted earnings per share would have improved by $0.07 per share and non-GAAP diluted earnings per share would have improved by $0.06 per share. (in thousands, except per share data) (unaudited) For the three months ended June 30, 2024