Jeffrey E. Eberwein - 10 May 2024 Form 4 Insider Report for Superior Drilling Products, Inc.

Footnote F1

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.

Footnote F2

Shares owned directly by Mr. Eberwein.

Footnote F3

The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $1.25 to $1.27, rounded to the nearest cent, inclusive. The Reporting Person undertakes 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 sold at each separate price such shares were sold.

Footnote F4

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.