INNOSPEC INC. — Director's Dealing 2021

May 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2021-05-10

Reporting Person: HESSNER CATHERINE (Senior VP - Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-10	Common Stock	M	670	$0.00	Acquired	15864	Direct
2021-05-10	Common Stock	S	407	$100.99	Disposed	15457	Direct
2021-05-10	Common Stock	S	263	$101.68	Disposed	15194	Direct
2021-05-10	Common Stock	M	219	$81.07	Acquired	15413	Direct
2021-05-10	Common Stock	S	219	$102.49	Disposed	15194	Direct
2021-05-10	Common Stock	M	51	$81.07	Acquired	15245	Direct
2021-05-10	Common Stock	S	51	$103.13	Disposed	15194	Direct
2021-05-11	Common Stock	M	252	$81.07	Acquired	15446	Direct
2021-05-11	Common Stock	S	57	$99.79	Disposed	15389	Direct
2021-05-11	Common Stock	S	195	$100.50	Disposed	15194	Direct
2021-05-11	Common Stock	M	438	$70.60	Acquired	15632	Direct
2021-05-11	Common Stock	S	438	$101.21	Disposed	15194	Direct
2021-05-11	Common Stock	M	197	$70.60	Acquired	15391	Direct
2021-05-11	Common Stock	S	197	$101.53	Disposed	15194	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-10	Stock Option	$0.00	M	670	Disposed	2028-02-20	Common Stock (670)	Direct
2021-05-10	Stock Option	$81.07	M	219	Disposed	2029-02-25	Common Stock (219)	Direct
2021-05-10	Stock Option	$81.07	M	51	Disposed	2029-02-25	Common Stock (51)	Direct
2021-05-11	Stock Option	$81.07	M	252	Disposed	2029-02-25	Common Stock (252)	Direct
2021-05-11	Stock Option	$70.60	M	438	Disposed	2027-02-21	Common Stock (438)	Direct
2021-05-11	Stock Option	$70.60	M	197	Disposed	2027-02-21	Common Stock (197)	Direct