ILLUMINA, INC. — Director's Dealing 2017

May 11, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLUMINA INC (ILMN)
CIK: 0001110803
Period of Report: 2017-05-09

Reporting Person: FLATLEY JAY T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-09	Common Stock	M	20000	$36.30	Acquired	539176	Direct
2017-05-09	Common Stock	S	6100	$183.297	Disposed	533076	Direct
2017-05-09	Common Stock	S	13600	$184.492	Disposed	519476	Direct
2017-05-09	Common Stock	S	300	$185.05	Disposed	519176	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-09	Non-qualified Stock Option (Right to Buy)	$36.30	M	20000	Disposed	2020-01-28	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6000	Indirect

Footnotes

F1: The sale was made pursuant to a 10b5-1 plan.

F2: Weighted average sale price representing 6,100 shares sold ranging from $182.9201 to $183.8501 per share. Number of shares sold at each separate price will be made available to the SEC staff, the issuer, or a security holder of the issuer upon request.

F3: Weighted average sale price representing 13,600 shares sold ranging from $183.9201 to $184.84 per share. Number of shares sold at each separate price will be made available to the SEC staff, the issuer, or a security holder of the issuer upon request.

F4: Weighted average sale price representing 300 shares sold ranging from $185.00 to $185.12 per share. Number of shares sold at each separate price will be made available to the SEC staff, the issuer, or a security holder of the issuer upon request.