Other Events On August 27, 2026, Diodes Incorporated (the “Company”) completed its previously announced acquisition of ElevATE Semiconductor Inc. (“ElevATE”) pursuant to the Agreement and Plan of Merger, dated as of July 10, 2026 (the “Merger Agreement”), by and among the Company, ElevATE, GN Merger Sub Inc. and Presidio Investors ELV Continuation GP, LLC. Pursuant to the Merger Agreement, GN Merger Sub Inc. merged with and into ElevATE, with ElevATE surviving the merger as a wholly owned sub…

Other Events. Press Releases On August 13, 2026, the Company issued a press release announcing the proposed Offering. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. On August 14, 2026, the Company issued a press release announcing the pricing of the Notes. A copy of the press release is attached hereto as Exhibit 99.2 and is incorporated herein by reference. Forward-Looking Statements Any statements made in this Current Report on Form 8-K…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The disclosure set forth above in

Entry into a Material Definitive Agreement. Amendment No. 1 to Third Amended and Restated Credit Agreement Effective August 12, 2026, Diodes Incorporated (the “Company”), Diodes Holdings UK Limited (the “Foreign Borrower” and, collectively with the Company, the “Borrowers”), and certain subsidiaries of the Company as guarantors, entered into the Amendment No. 1 to Third Amended and Restated Credit Agreement (the “Amendment”) that amends that certain Third Amended and Restated Credit Agreement…

The Company offered and sold the Notes to the initial purchasers in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), and for resale by the initial purchasers to persons reasonably believed to be qualified institutional buyers pursuant to the exemption from registration provided by Section 4(a)(2) and Rule 144A under the Securities Act. The Company relied on these exemptions from registration based in part…

Results of Operations and Financial Condition. On August 5, 2026, Gary Yu, President and Chief Executive Officer of Diodes Incorporated, (the “Company”), as well as Brett R. Whitmire, Chief Financial Officer of the Company, Emily Yang, Senior Vice President, Worldwide Sales and Marketing of the Company, Gurmeet Dhaliwal, Vice President of Corporate Marketing and Investor Relations for the Company, and Leanne K. Sievers, President, Shelton Group, participated in a conference call to discuss th…

Regulation FD Disclosure. The transcript of the earnings conference call furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of…

Results of Operations and Financial Condition. On August 5, 2026, Diodes Incorporated (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Report. In the press release, the Company utilizes financial measures and terms not calculated in accordance with generally accepted accounting principles in the United States (“GAAP”) in order to provide investors with an alterna…

Regulation FD Disclosure. From time to time, the Company may give corporate presentations to its customers, suppliers, investors and other interested parties. Copies of the Company’s corporate presentation slides, updated on August 5, 2026, are attached herewith as Exhibit 99.2 and Exhibit 99.3. Exhibit 99.2 provides an update focused on the Company’s second quarter 2026 financial results and Exhibit 99.3 is used in the Company’s investor relations presentations. The information furnished in…

Director — Evan Yu: Evan Yu was elected to the Board of Directors.

Entry into a Material Definitive Agreement. On July 10, 2026, Diodes Incorporated (the “Company”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with GN Merger Sub Inc., a California corporation and a wholly owned subsidiary of the Company (“Merger Sub”), Elevate Semiconductor, Inc., a California corporation (“Elevate”), and Presidio Investors ELV Continuation GP, LLC, a Delaware limited liability company, solely in its capacity as Equityholders’ Representative. Pursuan…

Results of Operations and Financial Condition. On May 7, 2026, Gary Yu, President and Chief Executive Officer of Diodes Incorporated, (the “Company”), as well as Brett R. Whitmire, Chief Financial Officer of the Company, Emily Yang, Senior Vice President, Worldwide Sales and Marketing of the Company, Gurmeet Dhaliwal, Vice President of Corporate Marketing and Investor Relations for the Company, and Leanne K. Sievers, President, Shelton Group, participated in a conference call to discuss the C…

Regulation FD Disclosure. The transcript of the earnings conference call furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of…

Director — Dr. Keh-Shew Lu: Dr. Keh-Shew Lu voluntarily resigned from the Board of Directors due to receiving more votes 'withheld' than 'for'.

Other Events. From time to time, Diodes Incorporated (the “Company”) may give corporate presentations to its customers, suppliers and other related interested parties. Copies of the Company’s corporate presentation slides, updated on May 7, 2026, are attached herewith as Exhibit 99.2 and Exhibit 99.3. Exhibit 99.2 provides an update focused on the Company's first quarter 2026 financial results and Exhibit 99.3 is used in the Company's investor relations presentations. Forward-Looking Statemen…

Results of Operations and Financial Condition. On May 7, 2026, Diodes Incorporated (the “Company”) issued a press release announcing its first quarter ended March 31, 2026 financial results. A copy of the press release is furnished as Exhibit 99.1. In the press release, the Company utilizes financial measures and terms not calculated in accordance with generally accepted accounting principles in the United States (“GAAP”) in order to provide investors with an alternative method for assessing…

Regulation FD Disclosure. The press release furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of Section 18 of the Exchange A…

Changes in Registrant’s Certifying Accountant (a) Dismissal of Independent Registered Public Accounting Firm On March 5, 2026, the Audit Committee of the Board of Directors of Diodes Incorporated (the “Company”) dismissed Baker Tilly US, LLP (“Baker Tilly”) as the Company’s independent registered public accounting firm, effective immediately. During the Company’s two most recent fiscal years ended December 31, 2025 and 2024, and the subsequent interim period through March 5, 2026: • The repor…

Regulation FD Disclosure. The transcript of the earnings conference call furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of…

Results of Operations and Financial Condition. On February 10, 2026, Gary Yu, President and Chief Executive Officer of Diodes Incorporated, (the “Company”), as well as Brett R. Whitmire, Chief Financial Officer of the Company, Emily Yang, Senior Vice President, Worldwide Sales and Marketing of the Company, and Gurmeet Dhaliwal , Vice President of Corporate Marketing and Investor Relations for the Company, participated in a conference call to discuss the Company’s fourth quarter and fiscal yea…

Regulation FD Disclosure. The press release furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of Section 18 of the Exchange A…

Other Events. From time to time, Diodes Incorporated (the “Company”) may give corporate presentations to its customers, suppliers and other related interested parties. Copies of the Company’s corporate presentation slides, updated on February 10, 2026, are attached herewith as Exhibit 99.2 and Exhibit 99.3. Exhibit 99.2 provides an update focused on the Company's fourth quarter and fiscal 2025 financial results and Exhibit 99.3 is used in the Company's investor relations presentations. Forwar…

Results of Operations and Financial Condition. On February 10, 2026, Diodes Incorporated (the “Company”) issued a press release announcing its fourth quarter and fiscal year ended December 31, 2025 financial results. A copy of the press release is furnished as Exhibit 99.1. In the press release, the Company utilizes financial measures and terms not calculated in accordance with generally accepted accounting principles in the United States (“GAAP”) in order to provide investors with an alterna…

Regulation FD Disclosure. The transcript of the earnings conference call furnished as Exhibit 99.1 also provides an update on the Company’s business outlook, that is intended to be within the safe harbor provided by the Private Securities Litigation Reform Act of 1995 (the “Act”) as comprising forward looking statements within the meaning of the Act. The information furnished in this Item 7.01, including the exhibit incorporated by reference, will not be treated as “filed” for the purposes of…

Results of Operations and Financial Condition. On November 6, 2025, Gary Yu, President and Chief Executive Officer of Diodes Incorporated, (the “Company”), as well as Brett R. Whitmire, Chief Financial Officer of the Company, Emily Yang, Senior Vice President, Worldwide Sales and Marketing of the Company, and Gurmeet Dhaliwal , Vice President of Corporate Market and Investor Relations for the Company, participated in a conference call to discuss the Company’s third quarter 2025 financial resu…