13D Filing: Ontario Teachers Pension Plan Board and Macerich Co (MAC)

NAMES OF
REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)

Ontario Teachers Pension Plan Board

CHECK THE APPROPRIATE BOX IF A MEMBER
OF A GROUP (See Instructions)

(a)  ¨        (b)  ¨

SEC USE ONLY

SOURCE OF FUNDS (See Instructions)

    OO

CHECK BOX IF DISCLOSURE OF LEGAL
PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)    ¨

CITIZENSHIP OR PLACE OF
ORGANIZATION

    Ontario, Canada

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH

SOLE VOTING POWER

    0

SHARED VOTING POWER

    23,286,237

SOLE DISPOSITIVE POWER

    0

SHARED DISPOSITIVE POWER

    23,286,237

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    23,286,237

CHECK BOX IF THE AGGREGATE AMOUNT IN
ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)    ¨

PERCENT OF CLASS REPRESENTED BY AMOUNT
IN ROW (11)

    15.6%

TYPE OF REPORTING PERSON (See
Instructions)

    FI