FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Andrews Thomas J 2. Date of Event Requiring Statement (Month/Day/Year) 04/09/2013 3. Issuer Name and Ticker or Trading Symbol ALEXANDRIA REAL ESTATE EQUITIES INC [ARE] (Last) (First) (Middle) C/O ALEXANDRIA REAL ESTATE EQUITIES, INC, 385 E. COLORADO BLVD., SUITE 299 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP - Greater Boston 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) PASADENA, CA 91101 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 80,500 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series E Preferred Stock	  (1)	  (1)	Common Stock	(1)	$ 0	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Andrews Thomas J C/O ALEXANDRIA REAL ESTATE EQUITIES, INC 385 E. COLORADO BLVD., SUITE 299 PASADENA, CA 91101	Â	Â	  EVP - Greater Boston	Â

Signatures

/s/ Eric Steiner, Attorney-in-fact		04/12/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reporting person holds 1,500 shares of the Issuer's Series E Preferred Stock. The Series E Preferred Stock does not have a stated maturity date. Upon the occurrence of certain corporate events, the holder of the Series E Preferred Stock will have the right to convert some or all of the Series E Preferred Stock held by it into a number of shares of common stock to be determined at the time of such corporate events.

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