Basis of Presentation	9 Months Ended
Sep. 27, 2025
Basis of Presentation
Basis of Presentation	Note A – Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X and do not include all the information and footnotes required by generally accepted accounting principles in the United States (“GAAP”) for complete financial statements. Refer to the consolidated financial statements of The Eastern Company (together with its consolidated subsidiaries, the “Company,” “we,” “us” or “our”) and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 28, 2024, filed with the Securities and Exchange Commission on March 11, 2025 (the “2024 Form 10-K”), for additional information. The accompanying condensed consolidated financial statements are unaudited. However, in the opinion of management, all adjustments (consisting only of normal recurring accruals) necessary for a fair presentation of the results of operations for interim periods have been reflected therein. Operating results for interim periods are not necessarily indicative of the results that may be expected for the full year. All intercompany accounts and transactions are eliminated. The condensed consolidated balance sheet as of December 28, 2024 has been derived from the audited consolidated balance sheet at that date. The Company’s fiscal year is a 52-53-week fiscal year ending on the Saturday nearest to December 31. References in this Quarterly Report on Form 10-Q for the quarterly period ended September 27, 2025 (this “Form 10-Q”) to 2024, the fiscal year 2024 or fiscal 2024 mean the 52-week period ended on December 28, 2024, and references to 2025, fiscal year 2025 or fiscal 2025 mean the 53-week period ending on January 3, 2026. In a 52-week fiscal year, each quarter has 13 weeks. In a 53-week fiscal year, the first three quarters each have 13 weeks, and the fourth quarter has 14 weeks. References to the third quarter of 2024, the third fiscal quarter of 2024 or the three months ended September 28, 2024 mean the 13-week period from June 30, 2024 to September 28, 2024. References to the third quarter of 2025, the third fiscal quarter of 2025 or the three months ended September 27, 2025, mean the 13-week period from June 29, 2025 to September 27. 2025. References to the first nine months of 2024 or the nine months ended September 28, 2024 mean the period from December 31, 2023 to September 28, 2024. References to the first nine months of 2025 or the nine months ended September 27, 2025 mean the period from December 29, 2024 to September 27, 2025. Certain amounts in the 2024 financial statements have been reclassified to conform with the 2025 presentation with no impact or change to previously reported net income or shareholders’ equity. See Note B, Discontinued Operations, for additional information.

Basis of Presentation

9 Months Ended

Sep. 27, 2025

Note A – Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and Rule 8-03 of Regulation S-X and do not include all the information and footnotes required by generally accepted accounting principles in the United States (“GAAP”) for complete financial statements. Refer to the consolidated financial statements of The Eastern Company (together with its consolidated subsidiaries, the “Company,” “we,” “us” or “our”) and the notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 28, 2024, filed with the Securities and Exchange Commission on March 11, 2025 (the “2024 Form 10-K”), for additional information.

The accompanying condensed consolidated financial statements are unaudited. However, in the opinion of management, all adjustments (consisting only of normal recurring accruals) necessary for a fair presentation of the results of operations for interim periods have been reflected therein. Operating results for interim periods are not necessarily indicative of the results that may be expected for the full year. All intercompany accounts and transactions are eliminated.

The condensed consolidated balance sheet as of December 28, 2024 has been derived from the audited consolidated balance sheet at that date.

The Company’s fiscal year is a 52-53-week fiscal year ending on the Saturday nearest to December 31. References in this Quarterly Report on Form 10-Q for the quarterly period ended September 27, 2025 (this “Form 10-Q”) to 2024, the fiscal year 2024 or fiscal 2024 mean the 52-week period ended on December 28, 2024, and references to 2025, fiscal year 2025 or fiscal 2025 mean the 53-week period ending on January 3, 2026. In a 52-week fiscal year, each quarter has 13 weeks. In a 53-week fiscal year, the first three quarters each have 13 weeks, and the fourth quarter has 14 weeks. References to the third quarter of 2024, the third fiscal quarter of 2024 or the three months ended September 28, 2024 mean the 13-week period from June 30, 2024 to September 28, 2024. References to the third quarter of 2025, the third fiscal quarter of 2025 or the three months ended September 27, 2025, mean the 13-week period from June 29, 2025 to September 27. 2025. References to the first nine months of 2024 or the nine months ended September 28, 2024 mean the period from December 31, 2023 to September 28, 2024. References to the first nine months of 2025 or the nine months ended September 27, 2025 mean the period from December 29, 2024 to September 27, 2025.

Certain amounts in the 2024 financial statements have been reclassified to conform with the 2025 presentation with no impact or change to previously reported net income or shareholders’ equity. See Note B, Discontinued Operations, for additional information.