MINERALS TECHNOLOGIES INC

Ticker: MTX CUSIP: 603158106 Class: Common Stock

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 141,900 Value ($000) $7,285 Avg Close $54.02 Range $45.58 - $66.26

Q3 2018

Shares 151,350 Value ($000) $10,231 Avg Close $68.30 Range $62.79 - $78.11

Q2 2018

Shares 151,350 Value ($000) $11,404 Avg Close $69.69 Range $62.26 - $74.25

Q1 2018

Shares 151,350 Value ($000) $10,133 Avg Close $69.21 Range $63.19 - $74.48

Q4 2017

Shares 154,446 Value ($000) $10,634 Avg Close $68.59 Range $64.01 - $71.97

Q3 2017

Shares 213,646 Value ($000) $15,094 Avg Close $66.03 Range $60.34 - $73.31

Q2 2017

Shares 192,146 Value ($000) $14,065 Avg Close $71.89 Range $67.72 - $77.55

Q1 2017

Shares 192,146 Value ($000) $14,718 Avg Close $74.61 Range $68.88 - $80.72

Q4 2016

Shares 208,176 Value ($000) $16,082 Avg Close $71.34 Range $63.07 - $80.10

Q3 2016

Shares 262,791 Value ($000) $18,577 Avg Close $64.21 Range $53.29 - $69.79

Q2 2016

Shares 430,541 Value ($000) $24,455 Avg Close $55.75 Range $49.31 - $59.65

Q1 2016

Shares 543,199 Value ($000) $30,881 Avg Close $44.81 Range $34.44 - $55.27

Q4 2015

Shares 691,272 Value ($000) $31,702 Avg Close $53.82 Range $43.09 - $60.63

Q3 2015

Shares 880,936 Value ($000) $42,426 Avg Close $55.32 Range $44.66 - $66.23

Q2 2015

Shares 775,951 Value ($000) $52,866 Avg Close $66.48 Range $62.78 - $71.08

Q1 2015

Shares 767,092 Value ($000) $56,074 Avg Close $64.85 Range $55.99 - $71.65

Q4 2014

Shares 878,481 Value ($000) $61,011 Avg Close $66.50 Range $54.66 - $74.50

Q3 2014

Shares 928,939 Value ($000) $57,325 Avg Close $59.56 Range $53.83 - $64.32

Q2 2014

Shares 923,342 Value ($000) $60,553 Avg Close $59.63 Range $56.50 - $63.93

Q1 2014

Shares 918,110 Value ($000) $59,273 Avg Close $53.91 Range $46.24 - $61.72

Q4 2013

Shares 934,231 Value ($000) $56,119 Avg Close $53.79 Range $46.69 - $57.91

Q3 2013

Shares 997,592 Value ($000) $49,251 Avg Close $43.84 Range $39.27 - $47.16

Q2 2013

Shares 1,000,715 Value ($000) $41,370 Avg Close $39.30 Range $36.34 - $41.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	141,900	$7,285	$54.02	$45.58 - $66.26
Q3 2018	151,350	$10,231	$68.30	$62.79 - $78.11
Q2 2018	151,350	$11,404	$69.69	$62.26 - $74.25
Q1 2018	151,350	$10,133	$69.21	$63.19 - $74.48
Q4 2017	154,446	$10,634	$68.59	$64.01 - $71.97
Q3 2017	213,646	$15,094	$66.03	$60.34 - $73.31
Q2 2017	192,146	$14,065	$71.89	$67.72 - $77.55
Q1 2017	192,146	$14,718	$74.61	$68.88 - $80.72
Q4 2016	208,176	$16,082	$71.34	$63.07 - $80.10
Q3 2016	262,791	$18,577	$64.21	$53.29 - $69.79
Q2 2016	430,541	$24,455	$55.75	$49.31 - $59.65
Q1 2016	543,199	$30,881	$44.81	$34.44 - $55.27
Q4 2015	691,272	$31,702	$53.82	$43.09 - $60.63
Q3 2015	880,936	$42,426	$55.32	$44.66 - $66.23
Q2 2015	775,951	$52,866	$66.48	$62.78 - $71.08
Q1 2015	767,092	$56,074	$64.85	$55.99 - $71.65
Q4 2014	878,481	$61,011	$66.50	$54.66 - $74.50
Q3 2014	928,939	$57,325	$59.56	$53.83 - $64.32
Q2 2014	923,342	$60,553	$59.63	$56.50 - $63.93
Q1 2014	918,110	$59,273	$53.91	$46.24 - $61.72
Q4 2013	934,231	$56,119	$53.79	$46.69 - $57.91
Q3 2013	997,592	$49,251	$43.84	$39.27 - $47.16
Q2 2013	1,000,715	$41,370	$39.30	$36.34 - $41.48