BIOMARIN PHARMACEUTICAL INC — Director's Dealing 2012

May 17, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOMARIN PHARMACEUTICAL INC (BMRN)
CIK: 0001048477
Period of Report: 2012-05-15

Reporting Person: ASELAGE STEVE (EVP, Chief Business Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-15	Common Stock	M	10000	$17.33	Acquired	69030	Direct
2012-05-15	Common Stock	S	10000	$38.6373	Disposed	59030	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-15	Stock Option (right to buy)	$17.33	M	10000	Disposed	2017-06-06	Common Stock (10000)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $38.475 to $38.72. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

F2: Original option vests 6/48ths on December 7, 2007 and 1/48th on the 7th of every month thereafter.