SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Miers Daniel Ross

(Last) (First) (Middle)
C/O US SILICA HOLDINGS INC.
24275 KATY FREEWAY SUITE 600

(Street)
KATY TX 77494

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2019
3. Issuer Name and Ticker or Trading Symbol
U.S. SILICA HOLDINGS, INC. [ SLCA ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
President SandBox Logistics
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 56,860(1) D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Includes (i) 35,946 shares of restricted stock granted on July 15, 2018, which will vest on July 15, 2019 and (ii) 20,914 shares of restricted stock granted on February 12, 2019, which will vest in three equal installments on the first, second and third anniversaries of the grant date.
Remarks:
SEE EXHIBIT 24 - POWER OF ATTORNEY
/s/ W. Andrew Macan, attorney-in-fact for Daniel R. Miers 05/20/2019
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
                                                                      Exhibit 24
POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints each of W. Andrew Macan and Donald A. Merril, or either of them
signing singly, and with full power of substitution, the undersigned's true and
lawful attorney--in--fact to: (1) prepare, execute in the undersigned's name and
on the  undersigned's behalf, and submit to the U.S. Securities and Exchange
Commission (the "SEC") a Form ID, including amendments thereto, and any other
documents necessary or appropriate to obtain codes and passwords enabling the
undersigned to make electronic filings with the SEC of reports required by
Section 16(a) of the Securities  Exchange Act of 1934 or any rule or regulation
of the SEC;

(2)	execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of U.S. Silica Holdings, Inc. (the
"Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of  1934 and the rules thereunder;

(3)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and  execute any such Form 3, 4, or 5,
complete and execute any amendment or amendments thereto, and timely file such
form with the SEC and any stock exchange or similar authority; and

(4)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required  by, the undersigned, it being
understood that the documents executed  by such attorney-in-fact on behalf of
the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact may approve in
such  attorney--in--fact's discretion. The undersigned hereby grants to each
such attorney--in--fact full power and authority to do and perform any and
every act and thing whatsoever requisite, necessary, or proper to be done in
the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-- in--fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue of
this power of attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934. This Power of Attorney shall
remain in full force and effect until the undersigned is no longer required to
file Forms 3, 4, and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing  attorneys--in--fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 10th day of May, 2019.


                                                   /s/ Daniel Miers
                                                   ----------------
                                                   Daniel Miers