U.S. Silica Holdings, Inc.

Mining & Quarrying Of Nonmetallic Minerals (no Fuels)

NYSE.SLCA

24275 Katy Freeway, Suite 600, Katy, TX, 77494

Amount	Security	Market Value
102	COM	$1,576
90,886	COM	$1,404,189
178	COM	$2,750
18,970	EQTY	$293
12,533	COM	$193,635
377,754	COM	$5,836,299
16,399	COM	$253,365
10,404	COM	$160,740
9,488	COM	$147
14,325	COM	$221,178
20,192	COM	$316,000
254,698	COM	$3,935,066
42,789	Equity	$661,090
775,000	COM	$11,973,750
57,179	COM	$883,416
16,339	COM	$252,438
80,801	COM	$1,248,375
10,480	COM	$161,916
64,862	COM	$1,002
21,860	COM	$337,737
12,843	COM	$198,424
107,899	COMMON	$1,667,040
481,281	COM	$7,435,791
68,551	COM	$1,059,113
360,000	COM	$5,562,000
13,187	COM	$204
35,000	COM	$540,750
770,026	COM	$11,896,902
31,244	COMMON STOCK	$482,720
67,923	COM	$1,049,410
700	COM	$10,826
17,266	COM	$266,760
137,665	COM	$2,126,924
35,985	COM	$555,968
15,878	COM	$245,315
6,376	COM	$98,509
205,709	COM	$3,178,204
502	COM	$7,751
468,670	CMN	$7,240,952
214,080	COM	$3,307,536
2,850	COM	$44,033
95,183	COM	$1,470,577
37,988	COM	$586,915
11,595	COM	$179,143
32,481	COM	$501,669
27,242	COM	$420,889
92,139	Common	$1,423,548
2,327,044	COM	$35,952,830
5,539,669	COM	$85,587,886
93,732	COM	$1,448,159

Amount	Security	Market Value
102	COM	$1,576
90,886	COM	$1,404,189
178	COM	$2,750
18,970	EQTY	$293
12,533	COM	$193,635
377,754	COM	$5,836,299
16,399	COM	$253,365
10,404	COM	$160,740
9,488	COM	$147
14,325	COM	$221,178
20,192	COM	$316,000
254,698	COM	$3,935,066
42,789	Equity	$661,090
775,000	COM	$11,973,750
57,179	COM	$883,416
16,339	COM	$252,438
80,801	COM	$1,248,375
10,480	COM	$161,916
64,862	COM	$1,002
21,860	COM	$337,737
12,843	COM	$198,424
107,899	COMMON	$1,667,040
481,281	COM	$7,435,791
68,551	COM	$1,059,113
360,000	COM	$5,562,000
13,187	COM	$204
35,000	COM	$540,750
770,026	COM	$11,896,902
31,244	COMMON STOCK	$482,720
67,923	COM	$1,049,410
700	COM	$10,826
17,266	COM	$266,760
137,665	COM	$2,126,924
35,985	COM	$555,968
15,878	COM	$245,315
6,376	COM	$98,509
205,709	COM	$3,178,204
502	COM	$7,751
468,670	CMN	$7,240,952
214,080	COM	$3,307,536
2,850	COM	$44,033
95,183	COM	$1,470,577
37,988	COM	$586,915
11,595	COM	$179,143
32,481	COM	$501,669
27,242	COM	$420,889
92,139	Common	$1,423,548
2,327,044	COM	$35,952,830
5,539,669	COM	$85,587,886
93,732	COM	$1,448,159

U.s. Silica Holdings, Inc.