IN RE MAMMOTH ENERGY SERVICES, INC. SECURITIES LITIGATION

Case No. CIV-19-522-J

UNITED STATES DISTRICT COURT WESTERN DISTRICT OF OKLAHOMA

Important Dates

October 30, 2021 — Claim Filing Deadline

August 31, 2021 — Exclusion Deadline

August 31, 2021 — Objection Deadline

September 21, 2021 at 10:00 a.m. — Settlement Hearing

Important Documents

Notice of Pendency of Class Action

Order Preliminarily Approving Settlement

Proof of Claim Form

Proposed Plan of Allocation

Stipulation and Agreement of Settlement

[Proposed] Judgment Approving Class Action Settlement

[Proposed] Order Approving Plan of Allocation

[Proposed] Order Awarding Attorneys' Fees and Reimbursement of Litigation Expenses

Lead Counsel's Motion and Opening Brief iso an Award of Attorneys' Fees and Reimbursement of Litigation Expenses

Lead Plaintiffs' Motion and Brief iso Final Approval of the Settlement

Declaration of Jeffrey C. Block iso Lead Plaintiffs' Motion for Final Approval of Settlement and Award of Attorneys' Fees and Lead Plaintiff Award

Declaration of Jeffrey C. Block Exhibits