Star Equity Holdings, Inc.

Repurchases of Shares

The following table summarizes purchases of common stock by the Company during the quarter ended September 30, 2025.

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Index

(a)On August 8, 2023, the Company’s Board of Directors authorized a share repurchase program for up to $5 million of the Company’s outstanding common stock. The Company continues to view share repurchases as an attractive use of capital and may repurchase shares from time to time, as market conditions warrant, through open market purchases, privately negotiated transactions, block trades, or other methods, in accordance with applicable federal securities laws, including Rule 10b-18 of the Securities Exchange Act of 1934 (the “Exchange Act”). This authorization does not expire.

During the nine months ended September 30, 2025, the Company completed its $5 million share repurchase program authorized on August 8, 2023. On September 10, 2025, the Board of Directors authorized a new common stock repurchase program under which the Company may repurchase up to $3 million of its outstanding common stock. During the nine months ended September 30, 2025, the Company repurchased a total of 274,922 shares of its common stock for an aggregate cost of $2.6 million under these authorizations. Of this total, 261,052 shares were repurchased on September 25, 2025, in connection with a transaction with a certain shareholder totaling $2.44 million, and the remaining 13,870 shares were repurchased on the open market for a cost of $0.1 million. As of September 30, 2025, under the July 30, 2015, August 8, 2023 and September 10, 2025 authorizations combined, the Company had repurchased an aggregate of 942,418 shares for a total cost of $15.5 million, completing the August 8, 2023 authorization and leaving $2.5 million available for purchase under the September 10, 2025 authorization. During the nine months ended September 30, 2024 the Company repurchased a total of 154,084 shares of its common stock for a cost of $2.5 million under this authorization. Of these shares, 44,250 shares were repurchased on January 29, 2024 in connection with a transaction with a certain shareholder totaling $0.7 million that excludes tax withholdings. The Company also repurchased 69,567 shares during the second quarter in connection with transactions with certain shareholders totaling $1.2 million, as well as 40,267 shares of its common stock on the open market for a cost of $0.7 million.