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: BAFFI ROBERT (EVP, Technical Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-30	Common Stock	A	805	$23.205	Acquired	53155	Direct
2013-05-03	Common Stock	M	20000	$14.39	Acquired	73155	Direct
2013-05-03	Common Stock	S	20000	$67.000	Disposed	53155	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-03	Stock Option (right to buy) Common Stock	$14.39	M	20000	Disposed	2019-05-11	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8238	Indirect

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: Transaction made pursuant to a Rule 10b5-1 plan executed on March 4, 2013.

F3: All shares sold at the same price.

F4: Options vest 6/48ths on November 12, 2009 and 1/48th on the 12th of each month thereafter.

F5: Reflects the number of stock options that remain outstanding from this specific stock option grant following the reported transaction.