BIOMARIN PHARMACEUTICAL INC — Director's Dealing 2012

May 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOMARIN PHARMACEUTICAL INC (BMRN)
CIK: 0001048477
Period of Report: 2012-05-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-11	Common Stock	M	16875	$14.39	Acquired	80560	Direct
2012-05-11	Common Stock	S	16875	$37.9802	Disposed	63685	Direct
2012-05-11	Common Stock	M	4655	$17.54	Acquired	68340	Direct
2012-05-11	Common Stock	S	4655	$37.9802	Disposed	63685	Direct
2012-05-11	Common Stock	S	4630	$37.07	Disposed	59030	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-11	Stock Option (right to buy)	$14.39	M	16875	Disposed	2019-05-11	Common Stock (16875)	Direct
2012-05-11	Stock Option (right to buy)	$17.54	M	4655	Disposed	2016-11-20	Common Stock (4655)	Direct

Footnotes

F1: The price in Column 4 is a weighted average price. The prices actually received ranged from $37.045 to $38.14. 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 November 12, 2009 and 1/48th on the 12th of every month thereafter.

F3: Original option vests 6/48ths on May 20, 2007 and 1/48th on the 20th of every month thereafter.