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SEC FORM 3 SEC Form 3
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
or Section 30(h) of the Investment Company Act of 1940 		 
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1. Name and Address of Reporting Person*
Peoples Oliver P
(Last) (First) (Middle)
C/O METABOLIX, INC.
21 ERIE STREET
(Street)
CAMBRIDGE MA 02139
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
11/09/2006 		3. Issuer Name and Ticker or Trading Symbol
METABOLIX, INC. [ MBLX ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
VP Research, CSO
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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 392,304 D
Common Stock 16,346 I See Footnote(1)
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: 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
Stock Option (right to buy) (2) 06/10/2007 Common Stock 31,057 1.41 D
Stock Option (right to buy) (2) 03/08/2010 Common Stock 71,922 3.3 D
Stock Option (right to buy) (2) 03/03/2013 Common Stock 32,692 3.3 D
Stock Option (right to buy) (3) 07/09/2013 Common Stock 8,173 3.3 D
Stock Option (right to buy) (4) 03/02/2014 Common Stock 24,519 1.65 D
Stock Option (right to buy) (5) 09/20/2015 Common Stock 117,691 1.65 D
Explanation of Responses:
1. Held by a trust for the benefit of certain family members. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest, if any.
2. These stock options are fully vested and exercisable.
3. This stock option vests in annual installments at the rate of 25% per year from 7/9/03.
4. This stock option vests in annual installments at the rate of 25% per year from 10/1/03.
5. This stock option vests in quarterly installments at the rate of 6.25% per quarter from 10/1/04.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Sarah P. Cecil, attorney-in-fact 11/09/2006
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
Exhibit 24


POWER OF ATTORNEY

	KNOW ALL MEN BY THESE PRESENTS, that the
undersigned hereby constitutes and appoints James J.
Barber, Thomas G. Auchincloss, Jr., Aninda Katragadda,
Sarah Cecil, Christopher J. Denn, John M. Mutkoski,
and Robert E. Puopolo and any one of them acting
singly, the true and lawful attorneys-in-fact and
agents, with full power of substitution and
resubstitution, for the undersigned and in the
undersigned's name, place and stead, in any and all
capacities (until revoked in writing) to execute for
and on behalf of the undersigned, in any and all of
the undersigned's capacities, any and all statements
on Forms 3, 4 and 5 with respect to the undersigned's
holdings of and transactions in securities issued by
Metabolix, Inc. (the "Company") in accordance with
Sections 16(a) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), and any and all
regulations promulgated thereunder, and to file the
same, with all exhibits thereto, and any other
documents in connection therewith, with the Securities
and Exchange Commission, and with any other entity
when and if such is mandated by the Exchange Act or by
the By-laws of the National Association of Securities
Dealers, granting unto said attorneys-in-fact and
agents full power and authority to do and perform each
and every act and thing requisite and necessary fully
to all intents and purposes as the undersigned might
or could do in person thereby ratifying and confirming
all that said attorneys-in-fact and agents, or their
substitute or substitutes, may lawfully do or cause to
be done by virtue hereof.

	This Power of Attorney shall remain in full force
and effect until the undersigned is no longer required
to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in
securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

	IN WITNESS WHEREOF, this Power of Attorney has
been signed as of November 7, 2006.


Signature:	/s/ Oliver P. Peoples

Name: Oliver P. Peoples