INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

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

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

Q4 2018
Shares 5,600 Value ($000) $346 Avg Close $62.18 Range $48.12 - $70.66
Q3 2018
Shares 5,600 Value ($000) $430 Avg Close $70.20 Range $64.67 - $74.99
Q2 2018
Shares 5,600 Value ($000) $429 Avg Close $67.39 Range $59.37 - $73.05
Q1 2018
Shares 5,600 Value ($000) $384 Avg Close $62.31 Range $55.67 - $66.49
Q4 2017
Shares 5,600 Value ($000) $395 Avg Close $59.54 Range $53.90 - $66.58
Q3 2017
Shares 6,500 Value ($000) $401 Avg Close $53.37 Range $48.20 - $59.20
Q2 2017
Shares 6,500 Value ($000) $426 Avg Close $57.04 Range $53.20 - $62.50
Q1 2017
Shares 6,500 Value ($000) $421 Avg Close $59.26 Range $51.41 - $66.19
Q4 2016
Shares 6,500 Value ($000) $445 Avg Close $56.82 Range $47.94 - $64.99