SVVC

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2011 to $0.2399, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.1760 to $0.2011, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2510 to $0.29, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2795 to $0.2801, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2651 to $0.3011, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.3011 to $0.3195, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.30 to $0.3011, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.3026 to $0.3101, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2756 to $0.2931, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.3011 to $0.3301, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2751 to $0.3295, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2751 to $0.32, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.279 to $0.309, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2748 to $0.2824, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2711 to $0.2801, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2511 to $0.27, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2251 to $0.2495, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2251 to $0.2590, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2511 to $0.2521, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2356 to $0.2551, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2511 to $0.2551, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2351 to $0.2511, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.25 to $0.2511, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2321 to $0.2361, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2235 to $0.2359, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.

This Form 4 is filed jointly by Jeffrey E. Eberwein, Star Equity Fund, LP ("Star Equity Fund"), Star Equity Fund GP, LLC ("Star Equity GP"), Star Investment Management, LLC ("Star Investment Management"), Star Value Investments, LLC ("Star Value"), and Star Equity Holdings, Inc. ("Star Equity Holdings") (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.2236 to $0.2360, inclusive. The Reporting Persons undertake to provide the Issuer and any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price such shares were purchased.

Shares owned directly by Star Equity Fund. Star Equity GP, as the general partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Investment Management, as the investment manager of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Value, as the sole member of Star Equity GP and wholly owned subsidiary of Star Equity Holdings, may be deemed the beneficial owner of the securities owned by Star Equity Fund. Star Equity Holdings, as the parent of Star Value, sole member of Star Management, and limited partner of Star Equity Fund, may be deemed the beneficial owner of the securities owned by Star Equity Fund. As the manager of Star Equity GP and Star Investment Management, Mr. Eberwein may be deemed the beneficial owner of the securities owned by Star Equity Fund.