INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

TEACHERS INSURANCE & ANNUITY ASSOCIATION OF AMERICA's Holding History (CIK: 0000315038)

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

Q4 2017

Shares 10,590 Value ($000) $748 Avg Close $59.54 Range $53.90 - $66.58

Q3 2017

Shares 10,590 Value ($000) $652 Avg Close $53.37 Range $48.20 - $59.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	10,590	$748	$59.54	$53.90 - $66.58
Q3 2017	10,590	$652	$53.37	$48.20 - $59.20