DCO DUCOMMUN INC /DE/

“The material weakness resulted in the restatement of the consolidated financial statements as of and for the years ended December 31, 2025 and 2024, and the unaudited condensed consolidated financial statements as of and for the quarters ended June 29, 2024 and September 28, 2024, and all fiscal quarters within 2025”

“As previously disclosed in our 2025 Form 10-K/A, we identified a material weakness whereby we did not design and maintain effective controls to review the terms of employee stock award plan documents to ensure that stock-based compensation expense is recorded completely and accurately.”

“have concluded that as of October 3, 2026 due to the material weakness in our internal control over financial reporting described below, our disclosure controls and procedures were not effective.”

“Three Months Ended Nine Months Ended October 3, 2026 September 27, 2025 October 3, 2026 September 27, 2025 (As Restated) (As Restated) Net income (loss) $ 13,891 $ (60,827) $ 44,206 $ (46,671)”

“October 3, 2026 September 27, 2025 October 3, 2026 September 27, 2025 (As Restated) (As Restated) (As Restated) (As Restated) Net Revenues Electronic Systems”

“Results of Operations Third Quarter of 2026 Compared to Third Quarter of 2025 (As Restated) The following table sets forth net revenues, selected financial data, the effective tax (benefit) rate and diluted earnings (loss) per share:”

“As disclosed in our Amendment No. 1 to Annual Report on Form 10-K for the year ended December 31, 2025 ( 2025 Form 10-K/A ), we restated our audited consolidated financial statements for the year ended December 31, 2025, and our unaudited quarterly financial information for each quarter in the year ended December 31, 2025”

“As disclosed in our 2025 Form 10-K/A for the year ended December 31, 2025, we restated our audited consolidated financial statements for the year ended December 31, 2025, and our unaudited quarterly financial information for each quarter in the year ended December 31, 2025 (the Affected Periods ), among other periods”

“(Dollars in thousands) (Dollars in thousands) Three Months Ended Nine Months Ended October 3, 2026 September 27, 2025 October 3, 2026 September 27, 2025 (As Restated) (As Restated) Consolidated Ducommun”

“As disclosed in the 2025 Form 10-K/A, we restated our audited consolidated financial statements for the years ended December 31, 2025 and 2024 and our unaudited quarterly financial information for each quarter in the year ended December 31, 2025, among other periods”

“risks related to the restatement of our prior consolidated financial statements; risks related to our ability to accurately report our financial results, including fully remediating any material weakness on a timely basis”

“risks related to the identified material weakness in our internal control over financial reporting”

“Condensed Consolidated Statements of Operations for the Three and Nine Months Ended October 3, 2026 and September 27, 2025 (As Restated)”