ILLUMINA, INC. — Director's Dealing 2019

May 3, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLUMINA INC (ILMN)
CIK: 0001110803
Period of Report: 2019-05-01

Reporting Person: deSouza Francis A (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-01	Common Stock	S	1100	$309.42	Disposed	72836	Direct
2019-05-01	Common Stock	S	1700	$310.17	Disposed	71136	Direct
2019-05-01	Common Stock	S	200	$311.89	Disposed	70936	Direct

Footnotes

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

F2: Weighted average sale price representing 1,100 shares sold ranging from $308.83 to $309.80 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 1,700 shares sold ranging from $309.88 to $310.58 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 200 shares sold ranging from $311.77 to $312.00 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.

F5: Balance reflects an increase of 190 shares. The previous balance was incorrect due to an administrative error.