ILLUMINA, INC. — Director's Dealing 2010

Oct 6, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ILLUMINA INC (ILMN)
CIK: 0001110803
Period of Report: 2010-10-04

Reporting Person: Heath Gregory (Sr VP & General Manager)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-04	Common Stock	M	5000	$32.74	Acquired	19559	Direct
2010-10-04	Common Stock	S	5000	$49.5955	Disposed	14559	Direct
2010-10-04	Common Stock	M	1302	$28.45	Acquired	15861	Direct
2010-10-04	Common Stock	S	1302	$49.3523	Disposed	14559	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-04	Non-Qualified Stock Option (right to buy)	$28.45	M	1302	Disposed	2019-01-28	Common Stock (1302)	Direct
2010-10-04	Non-Qualified Stock Option (right to buy)	$32.74	M	5000	Disposed	2018-03-17	Common Stock (5000)	Direct

Footnotes

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

F2: Weighted average sale price representing 5,000 shares sold ranging from $49.40 to $49.72 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 1,302 shares sold ranging from $49.31 to $49.40 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.