MINERALS TECHNOLOGIES INC

Ticker: MTX CUSIP: 603158106 Class: Common Stock

South Dakota Investment Council's Holding History (CIK: 0001538846)

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

Q4 2018

Shares 2,700 Value ($000) $139 Avg Close $54.02 Range $45.58 - $66.26

Q3 2018

Shares 2,700 Value ($000) $183 Avg Close $68.30 Range $62.79 - $78.11

Q2 2018

Shares 2,700 Value ($000) $203 Avg Close $69.69 Range $62.26 - $74.25

Q1 2018

Shares 2,700 Value ($000) $181 Avg Close $69.21 Range $63.19 - $74.48

Q4 2017

Shares 2,700 Value ($000) $186 Avg Close $68.59 Range $64.01 - $71.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	2,700	$139	$54.02	$45.58 - $66.26
Q3 2018	2,700	$183	$68.30	$62.79 - $78.11
Q2 2018	2,700	$203	$69.69	$62.26 - $74.25
Q1 2018	2,700	$181	$69.21	$63.19 - $74.48
Q4 2017	2,700	$186	$68.59	$64.01 - $71.97