MAMMOTH ENERGY SERVICES, INC. Contracts & Agreements

Fourth Amendment to Amended and Restated Credit Agreement, dated as of February 28, 2022, by and among the Company, certain of its subsidiaries, PNC Bank, National Association, as... (Filed With SEC on March 4, 2022)

Third Amendment to Amended and Restated Credit Agreement, dated as of November 3, 2021, by and among the Company, certain of its subsidiaries, PNC Bank, National Association, as a... (Filed With SEC on November 5, 2021)

Equipment Lease Agreement, by and between Cobra Aviation Services LLC and Cobra Acquisitions LLC and Brim Equipment Leasing LLC dba Brim Aviation (Filed With SEC on July 31, 2020)

N745BW Helicopter Lease Agreement, dated January 10, 2020 by and between Cobra Aviation Services LLC and Brim Equipment Leasing LLC (Filed With SEC on May 11, 2020)

N745MB Helicopter Lease Agreement, dated January 10, 2020 by and between Cobra Aviation Services LLC and Brim Equipment Leasing LLC (Filed With SEC on May 11, 2020)

N810LA Helicopter Lease Agreement, dated January 10, 2020 by and between Cobra Aviation Services LLC and Brim Equipment Leasing LLC (Filed With SEC on May 11, 2020)

N902TX Helicopter Lease Agreement, dated January 10, 2020 by and between Air Rescue Systems Corporation and Brim Equipment Leasing LLC (Filed With SEC on May 11, 2020)

N904AF Helicopter Lease Agreement, dated January 10, 2020 by and between Leopard Aviation LLC and Brim Equipment Leasing LLC (Filed With SEC on May 11, 2020)

Description of Securities of the Company (Filed With SEC on March 2, 2020)

Second Amendment to Amended and Restated Revolving Credit and Security Agreement (Filed With SEC on March 2, 2020)

First Amendment to Amended and Restated Revolving Credit and Security Agreement (Filed With SEC on November 12, 2019)

Master Service Agreement, dated January 1, 2019, by and between Gulfport Energy Corporation and Aquahawk Energy LLC (Filed With SEC on May 3, 2019)

Aviation Support Services Agreement, dated December 28, 2018, by and between Brim Equipment Leasing, Inc. and Cobra Aviation Services LLC (Filed With SEC on May 3, 2019)

General Sales Agency Agreement, dated December 21, 2018, by and between Cobra Aviation Services LLC and Brim Equipment Leasing, Inc (Filed With SEC on May 3, 2019)

Aircraft Lease and Management Agreement (N745BW), dated December 21, 2018 by and between Cobra Aviation Services LLC and Brim Equipment Leasing, Inc (Filed With SEC on May 3, 2019)

Aircraft Lease and Management Agreement (N745MB), dated December 21, 2018 by and between Cobra Aviation Services LLC and Brim Equipment Leasing, Inc (Filed With SEC on May 3, 2019)

Amendment No. 2, dated as of July 10, 2018, between Stingray Pressure Pumping, LLC and Gulfport Energy Corporation to that certain Amended & Restated Master Services Agreement for... (Filed With SEC on August 8, 2018)

Second Amendment to Sand Supply Agreement, dated as of August 6, 2018, between Muskie Proppant LLC and Gulfport Energy Corporation (Filed With SEC on August 8, 2018)

Underwriting Agreement, dated June 26, 2018, by and among Mammoth Energy Services, Inc., MEH SUB LLC, Gulfport Energy Corporation and Credit Suisse Securities (USA) LLC, as the... (Filed With SEC on July 2, 2018)

Master Service Contract for PREPA's Electrical Grid Repairs Hurricane Maria, executed on May 26, 2018, by the Puerto Rico Electric Power Authority (PREPA) and Cobra Acquisitions... (Filed With SEC on May 31, 2018)

Master Subcontract Agreement, dated as of November 2, 2017, by and among Cobra Acquisitions LLC and T&E Flow Services LLC (Filed With SEC on February 28, 2018)

Equipment Lease Agreement, dated as of August 1, 2017, by and among Bison Drilling and Field Services LLC and Predator Drilling LLC (Filed With SEC on February 28, 2018)

Equipment Lease Agreement, dated as of August 15, 2017, by and among Bison Drilling and Field Services LLC and Predator Drilling LLC (Filed With SEC on February 28, 2018)

Amendment No. 5 to Emergency Master Service Agreement for PREPA's Electrical Grid Repairs-Hurricane Maria, dated as of February 27, 2018, between the Puerto Rico Electric Power... (Filed With SEC on February 28, 2018)

Amendment No. 2 to Emergency Master Service Agreement for PREPAs Electrical Grid Repairs-Hurricane Maria, dated as of December 8, 2017, between the Puerto Rico Electric Power... (Filed With SEC on January 31, 2018)

Amendment No. 3 to Emergency Master Service Agreement for PREPAs Electrical Grid Repairs-Hurricane Maria, dated December 21, 2017, between the Puerto Rico Electric Power Authority... (Filed With SEC on January 31, 2018)

Amendment No. 4 to Emergency Master Service Agreement for PREPAs Electrical Grid Repairs-Hurricane Maria, dated as of January 28, 2018, between the Puerto Rico Electric Power... (Filed With SEC on January 31, 2018)

Emergency Master Service Agreement for PREPAs Electrical Grid Repairs-Hurricane Maria, executed on October 19, 2017, by the Puerto Rico Electric Power Authority (PREPA) and Cobra... (Filed With SEC on November 14, 2017)

Amendment No. 1 to Emergency Master Service Agreement for PREPAs Electrical Grid Repairs-Hurricane Maria, executed on November 1, 2017, by the Puerto Rico Electric Power Authority... (Filed With SEC on November 14, 2017)

FIRST AMENDMENT TO ASSET PURCHASE AGREEMENT (Filed With SEC on May 31, 2017)

OFFICE LEASE AGREEMENT (Filed With SEC on May 15, 2017)

ASSET PURCHASE AGREEMENT BY AND BETWEEN Mammoth Energy Services, Inc., as Purchaser, and Chieftain Sand and Proppant, LLC and Chieftain Sand and Proppant Barron, LLC as Sellers... (Filed With SEC on March 29, 2017)

CONTRIBUTION AGREEMENT by and among MEH Sub LLC, Gulfport Energy Corporation, Rhino Exploration LLC, Mammoth Energy Partners LLC and Mammoth Energy Services, Inc. Dated as of... (Filed With SEC on March 24, 2017)

CONTRIBUTION AGREEMENT by and among MEH Sub LLC, Gulfport Energy Corporation, Mammoth Energy Partners LLC and Mammoth Energy Services, Inc. Dated as of March 20, 2017 (Filed With SEC on March 24, 2017)

REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Mammoth Energy Holdings LLC Dated as of October12, 2016 TABLE OF CONTENTS (Filed With SEC on November 16, 2016)

INVESTOR RIGHTS AGREEMENT by and among MammothEnergy Services, Inc. and Gulfport Energy Corporation Dated as of October 12, 2016 TABLE OF CONTENTS (Filed With SEC on November 16, 2016)

REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Rhino Exploration LLC Dated as of October 12, 2016 TABLE OF CONTENTS (Filed With SEC on November 16, 2016)

MAMMOTH ENERGY SERVICES, INC. 2016 EQUITY INCENTIVE PLAN (Filed With SEC on November 16, 2016)

ADVISORY SERVICES AGREEMENT (Filed With SEC on November 16, 2016)

7,750,000 Shares MAMMOTH ENERGY SERVICES, INC. Common Stock UNDERWRITING AGREEMENT (Filed With SEC on October 19, 2016)

[ ] Shares MAMMOTH ENERGY SERVICES, INC. Common Stock FORM OFUNDERWRITING AGREEMENT (Filed With SEC on October 3, 2016)

FORM OF REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Mammoth Energy Holdings LLC Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on October 3, 2016)

FORM OF INVESTOR RIGHTS AGREEMENT by and among MammothEnergy Services, Inc., Mammoth Energy Holdings LLC and Gulfport EnergyCorporation Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on October 3, 2016)

FORM OF REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Rhino Exploration LLC Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on October 3, 2016)

FORM OF INDEMNIFICATIONAGREEMENT (Filed With SEC on October 3, 2016)

FORM OF REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Mammoth Energy Holdings LLC Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on September 23, 2016)

FORM OF INVESTOR RIGHTS AGREEMENT by and among MammothEnergy Services, Inc., Mammoth Energy Holdings LLC and Gulfport EnergyCorporation Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on September 23, 2016)

FORM OF REGISTRATION RIGHTS AGREEMENT by and between MammothEnergy Services, Inc. and Rhino Resource Partners LP Dated as of , 2016 TABLE OF CONTENTS (Filed With SEC on September 23, 2016)

FORM OF ADVISORYSERVICES AGREEMENT (Filed With SEC on September 23, 2016)

MAMMOTH ENERGY SERVICES, INC. 2016 EQUITY INCENTIVE PLAN (Filed With SEC on September 23, 2016)

MAMMOTH ENERGY SERVICES, INC. 2016 EQUITY INCENTIVE PLAN STOCK OPTION AWARD CERTIFICATE (Filed With SEC on September 23, 2016)

MAMMOTH ENERGY SERVICES, INC. 2016 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD CERTIFICATE (Filed With SEC on September 23, 2016)

MASTER SERVICE CONTRACT (Filed With SEC on September 2, 2016)

GULFPORT ENERGY CORPORATION MASTER SERVICE AGREEMENT NOTE: THIS AGREEMENT CONTAINS INDEMNITY AND RELEASE PROVISIONS (Filed With SEC on September 2, 2016)

AMENDMENT TO MASTER SERVICE AGREEMENT (Filed With SEC on September 2, 2016)

MASTER SERVICE CONTRACT (Filed With SEC on September 2, 2016)

FIRST AMENDMENT TO MASTER FIELD SERVICES AGREEMENT (Filed With SEC on September 2, 2016)

MASTER FIELD SERVICES AGREEMENT (Filed With SEC on September 2, 2016)

MASTER DRILLING AGREEMENT (Filed With SEC on September 2, 2016)

GULFPORT ENERGY CORPORATION MASTER SERVICE AGREEMENT NOTE: THIS AGREEMENT CONTAINS INDEMNITY AND RELEASE PROVISIONS (Filed With SEC on September 2, 2016)

MASTER SERVICE CONTRACT (Filed With SEC on September 2, 2016)

AMENDED & RESTATED MASTER SERVICES AGREEMENT FOR PRESSURE PUMPING SERVICES AGREEMENT1 (Filed With SEC on September 2, 2016)

AMENDMENT TO AMENDED & RESTATED MASTER SERVICES AGREEMENT FOR PRESSURE PUMPING SERVICES AGREEMENT1 (Filed With SEC on September 2, 2016)

AMENDMENT TO MASTER SERVICE AGREEMENT (Filed With SEC on September 2, 2016)

SAND SUPPLY AGREEMENT1 (Filed With SEC on September 2, 2016)

AMENDMENT TO SAND SUPPLY AGREEMENT1 (Filed With SEC on September 2, 2016)

REVOLVING CREDIT AND SECURITY AGREEMENT PNC BANK, NATIONAL ASSOCIATION (AS LENDER, ADMINISTRATIVE AGENT AND ISSUER) WITH MAMMOTH ENERGYPARTNERS LP REDBACK ENERGY SERVICES LLC... (Filed With SEC on September 2, 2016)

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MAMMOTH ENERGY SERVICES, INC. Contracts & Agreements