ILLUMINA, INC. — Director's Dealing 2011

Apr 14, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLUMINA INC (ILMN)
CIK: 0001110803
Period of Report: 2011-04-12

Reporting Person: HENRY CHRISTIAN O (Sr VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-04-12	Common Stock	M	4487	$5.23	Acquired	33942	Direct
2011-04-12	Common Stock	S	4487	$67.0755	Disposed	29455	Direct
2011-04-12	Common Stock	M	513	$5.23	Acquired	29968	Direct
2011-04-12	Common Stock	S	513	$67.8282	Disposed	29455	Direct
2011-04-12	Common Stock	M	6867	$20.04	Acquired	36322	Direct
2011-04-12	Common Stock	S	6867	$67.0926	Disposed	29455	Direct
2011-04-12	Common Stock	M	633	$20.04	Acquired	30088	Direct
2011-04-12	Common Stock	S	633	$67.8292	Disposed	29455	Direct
2011-04-12	Common Stock	M	4566	$32.485	Acquired	34021	Direct
2011-04-12	Common Stock	S	4566	$67.0877	Disposed	29455	Direct
2011-04-12	Common Stock	M	434	$32.485	Acquired	29889	Direct
2011-04-12	Common Stock	S	434	$67.8531	Disposed	29455	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-04-12	Non-Qualified Stock Option (right to buy)	$5.23	M	5000	Disposed	2015-06-06	Common Stock (5000)	Direct
2011-04-12	Non-Qualified Stock Option (right to buy)	$20.04	M	7500	Disposed	2017-01-25	Common Stock (7500)	Direct
2011-04-12	Non-Qualified Stock Option (right to buy)	$32.485	M	5000	Disposed	2018-01-29	Common Stock (5000)	Direct

Footnotes

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

F2: Weighted average sale price representing 4,487 shares sold ranging from $66.60 to $67.45 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 513 shares sold ranging from $67.69 to $68.39 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 6,867 shares sold ranging from $66.60 to $67.59 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: Weighted average sale price representing 633 shares sold ranging from $67.60 to $68.39 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.

F6: Weighted average sale price representing 4,566 shares sold ranging from $66.66 to $67.58 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.

F7: Weighted average sale price representing 434 shares sold ranging from $67.69 to $68.39 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.