BIOMARIN PHARMACEUTICAL INC — Director's Dealing 2013

May 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOMARIN PHARMACEUTICAL INC (BMRN)
CIK: 0001048477
Period of Report: 2013-04-30

Reporting Person: Davis George Eric (SVP, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-30	Common Stock	A	858	$23.205	Acquired	47058	Direct
2013-05-03	Common Stock	M	3562	$17.54	Acquired	50620	Direct
2013-05-03	Common Stock	M	2292	$14.39	Acquired	52912	Direct
2013-05-03	Common Stock	S	5854	$67.1895	Disposed	47058	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-03	Stock Option (right to buy) Common Stock	$17.54	M	3562	Disposed	2016-11-19	Common Stock (3562)	Direct
2013-05-03	Stock Option (right to buy) Common Stock	$14.39	M	2292	Disposed	2019-05-11	Common Stock (2292)	Direct

Footnotes

F1: The reporting peson is voluntarily reporting the aquisition of shares of theissuer's common stock pursuant to the issuer's Employee Stock Purchase Plan ("ESPP"), for the ESPP Purchase period of November 1, 2012 to April 30, 2013.

F2: The price in Column 4 is a weighted average price. The prices actually received ranged from $67.15 to $67.2410. 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.

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

F4: Reflects the number of stock options that remain outstanding from this specific stock option grant following the reported transaction

F5: Original option grant vests 6/48ths on November 12, 2009 and 1/48th on the 12th day of every month thereafter.