Other Events. As previously announced, on February 4, 2026, Silicon Laboratories Inc., a Delaware corporation (“ Silicon Labs ”), entered into an Agreement and Plan of Merger (as it may be amended, supplemented or modified from time to time, the “ Merger Agreement ”) with Texas Instruments Incorporated, a Delaware corporation (“ Texas Instruments ”), and Caldwell Merger Corp., a Delaware corporation and wholly owned direct subsidiary of Texas Instruments (“ Merger Sub ”), pursuant to which Me…

Results of Operations and Financial Condition On May 5, 2026, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended April 4, 2026. A copy of the press release is attached as Exhibit 99 to this report.

Entry into a Material Definitive Agreement. Agreement and Plan of Merger On February 4, 2026, Silicon Laboratories Inc., a Delaware corporation (the “ Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Texas Instruments Incorporated, a Delaware corporation (“ Parent ”), and Caldwell Merger Corp., a Delaware and wholly-owned direct subsidiary of Parent (“ Merger Subsidiary ”), pursuant to which Merger Subsidiary will merge with and into the Company (the “…

Results of Operations and Financial Condition On February 4, 2026, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal year and quarter ended January 3, 2026. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On November 4, 2025, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended October 4, 2025. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On August 5, 2025, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended July 5, 2025. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On May 13, 2025, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended April 5, 2025. A copy of the press release is attached as Exhibit 99 to this report.

Changes in Registrant's Certifying Accountant (a) Dismissal of Independent Registered Public Accounting Firm On March 3, 2025, the Audit Committee of the Board of Directors of Silicon Laboratories Inc. (the “Company”), after a proposal process with several qualified audit firms, approved the decision to change its independent registered public accounting firm and dismissed Ernst & Young LLP (“Ernst & Young”) as its independent registered public accounting firm. The reports of Ernst & Young on…

Results of Operations and Financial Condition On February 4, 2025, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended December 28, 2024. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On November 4, 2024, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended September 28, 2024. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On July 24, 2024, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended June 29, 2024. A copy of the press release is attached as Exhibit 99 to this report.

CEO — Matt Johnson: The filing discloses the renewal of standard severance agreements for existing executives, which is a compensatory arrangement rather than a change in personnel or management departure.

Senior Vice President — Robert Conrad: The filing announces the external hire of Robert Conrad as SVP of Worldwide Operations and the transition of the incumbent, Sandeep Kumar, to a non-executive advisory role, which is a planned succession rather than a sudden loss of an executive.

Results of Operations and Financial Condition On April 24, 2024, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended March 30, 2024. A copy of the press release is attached as Exhibit 99 to this report.

CFO — Dean Butler: The filing announces the external hire of a new CFO to replace an interim officer, which is a significant management change but not a departure of a permanent executive.

Results of Operations and Financial Condition On February 7, 2024, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended December 30, 2023. A copy of the press release is attached as Exhibit 99 to this report.

CFO — John Hollister: The CFO resigned but was immediately succeeded by an internal interim appointment, indicating an orderly transition rather than a sudden loss of leadership.

The filing discloses the approval of a standard annual bonus plan, which is a compensatory arrangement rather than a change in management personnel.

CFO — John Hollister: The CFO is resigning to join a competitor, which is a genuine departure of a senior executive, though the orderly transition and interim appointment mitigate negative sentiment.

Results of Operations and Financial Condition On November 1, 2023, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended September 30, 2023. A copy of the press release is attached as Exhibit 99 to this report.

Results of Operations and Financial Condition On July 26, 2023, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release announcing its results of operations for its fiscal quarter ended July 1, 2023. A copy of the press release is attached as Exhibit 99 to this report.

Entry into a Material Definitive Agreement On June 30, 2023, Silicon Laboratories Inc. (the “Company”) entered into the Fifth Amendment to Credit Agreement (the “Fifth Credit Agreement Amendment”) with Wells Fargo Bank, National Association (“Wells Fargo”), as administrative agent, and a syndicate of lenders. The Fifth Credit Agreement Amendment amends the Company’s original credit agreement (as amended prior to the Fifth Amendment, the “Original Credit Agreement”, and as amended by the Fifth…

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

Unregistered Sales of Equity Securities. On March 22, 2023, Silicon Laboratories Inc. (the “Company”) issued a notice of redemption to the holders of its outstanding 0.625% Convertible Senior Notes due 2025 (the “Notes”), pursuant to which it would redeem all of the outstanding Notes for cash at a redemption price of 100% of the principal amount of the Notes, plus accrued and unpaid interest, if any (the “Redemption”). The Redemption was scheduled to occur on June 20, 2023, unless earlier con…

Results of Operations and Financial Condition On April 26, 2023, Silicon Laboratories Inc. (“Silicon Laboratories”) issued a press release describing its results of operations for its fiscal quarter ended April 1, 2023. A copy of the press release is attached as Exhibit 99 to this report.