ILLUMINA, INC. — Director's Dealing 2011

Jan 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLUMINA INC (ILMN)
CIK: 0001110803
Period of Report: 2010-12-22

Reporting Person: FLATLEY JAY T (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-22	Common Stock	G	2000	—	Disposed	325904	Direct
2011-01-13	Common Stock	M	4500	$4.3	Acquired	330404	Direct
2011-01-13	Common Stock	S	4500	$67.6427	Disposed	325904	Direct
2011-01-13	Common Stock	M	9500	$4.3	Acquired	335404	Direct
2011-01-13	Common Stock	S	9500	$68.6798	Disposed	325904	Direct
2011-01-13	Common Stock	M	11000	$4.3	Acquired	336904	Direct
2011-01-13	Common Stock	S	11000	$69.4181	Disposed	325904	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-13	Non-Qualified Stock Option (right to buy)	$4.3	M	25000	Disposed	2015-02-25	Common Stock (25000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	15000	Indirect

Footnotes

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

F2: Weighted average sale price representing 4,500 shares sold ranging from $67.07 to $68.04 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 9,500 shares sold ranging from $68.11 to $69.07 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 11,000 shares sold ranging from $69.13 to $69.70 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.