Item 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers.
(b) On January 20, 2023, Mr. Michael Winkler, Executive Vice President and Chief
Operating Officer of U.S. Silica Holdings, Inc. (the "Company"), notified the
Company of his plan to retire from the Company. Mr. Winkler is expected to
remain in his position until mid to late 2023 to assist with the transition of
his responsibilities.
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