EML · Eastern Co

1068 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on June 15, 2026.

James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.

Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

1717 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

1,064 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

1339 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

1099 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

989 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

1065 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

962 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.

Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.

Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

The reporting person was granted 907 shares under The Eastern Company 2020 Executive Stock Incentive Plan that vested on March 1, 2026 due to the reporting person's continued employment at the vesting date.

The reporting person was granted 907 shares under The Eastern Company 2020 Executive Stock Incentive Plan that vested on March 1, 2026 due to the reporting person's continued employment at the vesting date.

This total does not include 500 shares that were previously reported in error as part of the total for this award.

1,029 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on December 15, 2025.

1,177 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on December 15, 2025.

1,140 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on December 15, 2025.

1,839 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shareson December 15, 2025.

1,059 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on December 15, 2025.

1,435 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on December 15, 2025.

Shares acquired under the Eastern Company director's fee program pursuant to rule 16b3(d). The price used to determine the number of shares is the price of the shares on 12/15/2025.

Shares acquired through multiple transactions with prices in the range of $20.10 to $20.20 per share.

James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.

Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

The reporting person is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Capital Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P.

The reporting person disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that the reporting person is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

The reporting person is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Capital Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P.

The reporting person disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that the reporting person is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

1,122 shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on September 15, 2025.

892 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on September 15, 2025.

806 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on September 15, 2025.

921 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on September 15, 2025.

829 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on September 15, 2025.

1,438 shares acquired under The Eastern Company Director's Fee Program pursuant to Rule 16b-3(d). The price used to determine the number of shares is the price on September 15, 2025.

Shares acquired under the Eastern Company director's fee program pursuant to rule 16b3(d). The price used to determine the number of shares is the price of the shares on 9/15/2025.