UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No. )
|
Filed by the Registrant ☒
|
Filed by a Party other than the Registrant ☐
|
Check the appropriate box:
|
☐
|
Preliminary Proxy Statement
|
|
☐
|
Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
|
|
☐
|
Definitive Proxy Statement
|
|
☒
|
Definitive Additional Materials
|
|
☐
|
Soliciting Material Pursuant to Sec. 240.14a-12
|
U.S. Silica Holdings, Inc.
(Name of Registrant as Specified in its Charter)
N/A
(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)
Payment of Filing Fee (Check all boxes that apply):
|
☒
|
No fee required
|
|
☐
|
Fee paid previously with preliminary materials
|
|
☐
|
Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11
|
