Wilks Brothers, LLC

SEC source: 0000899243-23-020059 · doc4.xml · derivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · Director · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 24,609,095

Underlying: Class A common stock, par value $0.01 per share · 5,811,765 shares

Expires 2024-06-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F1 · price: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F2 · balance_after: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F4 · ownership.nature: (Continued from footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-020059 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · Director · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 24,609,095

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On September 13, 2023, Dawson Geophysical Company ("Dawson") held a virtual special meeting of its stockholders. At the Special Meeting, Dawson's stockholders voted and approved the issuance of 5,811,765 shares of Common Stock of Issuer to Wilks Brothers, LLC ("Wilks Brothers") upon conversion of $9,880,000.50 in principal amount of the Convertible Note dated March 24, 2023 between Dawson and Wilks at a conversion price of $1.70 per share. Upon such approval, the Convertible Note automatically converted in full into the Conversion Shares upon such approval.

F2 · balance_after: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 9,111,736 directly owned by Wilks, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is an affiliate of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group. (Continued in footnote 4)

F4 · ownership.nature: (Continued from footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015840 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,847,330

F1 · price: The reported price in Column 4 is a weighted average purchase price. The Reporting Person undertakes to provide to the Issuer, 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.

F2 · balance_after: Consists of (i) 3,299,971 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 3,299,971 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-016727 · doc4a.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Krylov Sergei · CIK 0001594869 · Director

Wilks Matthew · CIK 0001696102 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,847,330

F1 · price: The reported price in Column 4 is a weighted average purchase price. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Consists of (i) 3,299,971 directly owned by Wilks Brothers, LLC ("Wilks Brothers"), (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 3,299,971 directly owned by Wilks Brothers, LLC ("Wilks Brothers"), (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group.

F4 · ownership.direct: (Continued from Footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers; Dan H. Wilks and Staci Wilks are husband and wife and share the same household; Matthew D. Wilks is the Director of the Issuer and VP - Investments of Wilks Brothers; and Sergei Krylov, is the Director of the Issuer and Chief Financial Officer of Wilks Brothers. Matthew D. Wilks and Sergei Krylov were each inadvertently excluded in prior filings and have been added as Reporting Persons. Each of the foregoing are reporting persons on a Schedule 13D/A (as amended from time to time, the "13D") filed with the SEC on June 29, 2023 (such Reporting Persons on the 13D, collectively, the "13D Group") and may be deemed to beneficially own the shares of the Issuer's Common Stock owned by other members of the 13D Group.

F4 · ownership.nature: (Continued from Footnote 3) Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015553 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 17,650,200

F2 · balance_after: Consists of (i) 2,094,237 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 2,094,237 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015553 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 17,645,762

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $2.06 to $2.39 per share. The Reporting Person undertakes to provide to the Issuer, 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 within the range set forth in this footnote.

F2 · balance_after: Consists of (i) 2,094,237 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 2,094,237 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015834 · doc4a.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,838,435

F2 · balance_after: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks, and the shares reported on this Form 4.

F4 · balance_after: On June 12, 2023, the Reporting Persons filed a Form 4 which inadvertently excluded 1,188,235 shares of common stock received by Wilks Brothers, LLC from the Issuer as consideration for the sale of assets under that certain Asset Purchase Agreement, dated March 24, 2023 and as disclosed in the Issuer's current Report on Form 8-K filed with the SEC on March 24, 2023 (the "Asset Sale"). See Reporting Persons' Form 4 filed in connection with such 1,188,235 shares received by Wilks Brothers, LLC.

F2 · ownership.direct: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks, and the shares reported on this Form 4.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015834 · doc4a.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,833,997

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $2.06 to $2.39 per share. The Reporting Person undertakes to provide to the Issuer, 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 within the range set forth in this footnote.

F2 · balance_after: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks, and the shares reported on this Form 4.

F4 · balance_after: On June 12, 2023, the Reporting Persons filed a Form 4 which inadvertently excluded 1,188,235 shares of common stock received by Wilks Brothers, LLC from the Issuer as consideration for the sale of assets under that certain Asset Purchase Agreement, dated March 24, 2023 and as disclosed in the Issuer's current Report on Form 8-K filed with the SEC on March 24, 2023 (the "Asset Sale"). See Reporting Persons' Form 4 filed in connection with such 1,188,235 shares received by Wilks Brothers, LLC.

F2 · ownership.direct: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions, (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks, and the shares reported on this Form 4.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-23-015829 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner

WB Acquisitions Inc. · CIK 0001891025 · 10% owner

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 18,829,831

F1 · price: On March 24, 2023, Wilks Brothers, LLC received 1,188,235 shares of common stock from the Issuer as consideration for the sale of assets under that certain Asset Purchase Agreement, dated March 24, 2023 and as disclosed in the Issuer's current Report on Form 8-K filed with the SEC on March 24, 2023 (the "Asset Sale"), by and among the Issuer, Wilks Brothers, LLC and the other parties set forth in the Asset Purchase Agreement. The shares of common stock received pursuant to the Asset Sale were inadvertently excluded in prior filings.

F2 · balance_after: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F2 · ownership.direct: Consists of (i) 3,282,472 directly owned by Reporting Party, (ii) 15,547,010 shares of the Issuer's Common Stock directly owned by WB Acquisitions and (iii) 349 shares of the Issuer's Common Stock directly owned by Staci Wilks.

F3 · ownership.direct: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

F3 · ownership.nature: Wilks Brothers, LLC ("Wilks Brothers") is a manager-managed limited liability company, managed by Dan H. Wilks and Farris Wilks. WB Acquisitions, Inc. ("WB Acquisitions") is a subsidiary of Wilks Brothers. Dan H. Wilks and Farris Wilks are brothers and may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by each of Wilks Brothers and WB Acquisitions. Dan H. Wilks and Staci Wilks are husband and wife and share the same household, and Dan H. Wilks may be deemed to indirectly beneficially own the shares of the Issuer's Common Stock directly owned by Staci Wilks. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

SEC source: 0000899243-18-018647 · doc4.xml · derivative · entry 4

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 393,000 shares

Expires 2018-06-15

F1 · security: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

F1 · balance_after: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

SEC source: 0000899243-18-018647 · doc4.xml · derivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 58,500 shares

Expires 2018-06-15

F1 · security: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

F1 · balance_after: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

SEC source: 0000899243-18-018647 · doc4.xml · derivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 106,000 shares

Expires 2018-06-15

F1 · security: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

F1 · balance_after: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

SEC source: 0000899243-18-018647 · doc4.xml · derivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 70,000 shares

Expires 2018-06-15

F1 · security: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

F1 · balance_after: The Reporting Person bought-to-close 6,275 put options referencing 627,500 shares of Common Stock.

SEC source: 0000899243-18-001012 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,799,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000945 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,599,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000945 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,399,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000614 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,149,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000614 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,049,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000614 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,949,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

SEC source: 0000899243-18-000165 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,440,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by SDW Investments, LLC.

SEC source: 0000899243-17-029696 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,290,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by SDW Investments, LLC.

SEC source: 0000899243-17-029696 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,090,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: See Remarks.

F3 · ownership.direct: These shares are owned directly by SDW Investments, LLC.

SEC source: 0000899243-17-029442 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,940,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F3 · ownership.direct: See Remarks.

F4 · ownership.direct: These shares are owned directly by SDW Investments, LLC. .

SEC source: 0000899243-17-029442 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,799,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-029442 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,690,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F3 · ownership.direct: See Remarks.

F4 · ownership.direct: These shares are owned directly by SDW Investments, LLC. .

SEC source: 0000899243-17-029215 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,490,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F3 · ownership.direct: See Remarks.

F4 · ownership.direct: These shares are owned directly by SDW Investments, LLC.

SEC source: 0000899243-17-029215 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,340,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F3 · ownership.direct: See Remarks.

F4 · ownership.direct: These shares are owned directly by SDW Investments, LLC.

SEC source: 0000899243-17-029748 · doc4.xml · derivative · entry 5

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 200,000 shares

Expires 2017-12-15

SEC source: 0000899243-17-029215 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,649,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 6

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,449,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 5

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,299,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 4

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,149,413

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-029748 · doc4.xml · derivative · entry 4

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 200,000 shares

Expires 2017-12-15

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,099,413

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,018,585

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-028652 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,989,300

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-029748 · doc4.xml · derivative · entry 9

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,275

Underlying: Common Stock · 627,500 shares

Expires 2017-12-15

SEC source: 0000899243-17-029748 · doc4.xml · derivative · entry 8

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,275

Underlying: Common Stock · 627,500 shares

Expires 2018-06-15

SEC source: 0000899243-17-029748 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,520,143

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.93 to $9.97, inclusive.

F2 · balance_after: These shares of Common Stock are beneficially owned directly by Dan Wilks and Staci Wilks. This Form 4 is also filed by Wilks Brothers, LLC, which directly beneficially owns 2,294,772 shares of Common Stock. See Remarks.

SEC source: 0000899243-17-029748 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500,143

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.54 to $8.87, inclusive.

F2 · balance_after: These shares of Common Stock are beneficially owned directly by Dan Wilks and Staci Wilks. This Form 4 is also filed by Wilks Brothers, LLC, which directly beneficially owns 2,294,772 shares of Common Stock. See Remarks.

SEC source: 0000899243-17-029748 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,384,499

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.41 to $8.58, inclusive.

F2 · balance_after: These shares of Common Stock are beneficially owned directly by Dan Wilks and Staci Wilks. This Form 4 is also filed by Wilks Brothers, LLC, which directly beneficially owns 2,294,772 shares of Common Stock. See Remarks.

SEC source: 0000899243-17-017265 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,789,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016905 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,689,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016905 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,589,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016905 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,489,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016628 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,401,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016628 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,301,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016628 · doc4.xml · nonDerivative · entry 1

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,201,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks.

SEC source: 0000899243-17-016298 · doc4.xml · nonDerivative · entry 3

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,101,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks

SEC source: 0000899243-17-016298 · doc4.xml · nonDerivative · entry 2

Wilks Brothers, LLC · CIK 0001662888 · 10% owner · See Remarks

Wilks Dan H. · CIK 0001641792 · 10% owner

Wilks Staci · CIK 0001641796 · 10% owner

Wilks Farris · CIK 0001641794 · 10% owner

SDW Investments, LLC · CIK 0001589906 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,051,300

F1 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Wilks Brothers, LLC on May 5, 2017.

F2 · ownership.direct: These shares are owned directly by Wilks Brothers, LLC.

F3 · ownership.direct: See Remarks