X0306 4 2014-08-22 0 0001121702 METABOLIX, INC. MBLX 0001377832 Strobeck Matthew C/O METABOLIX, INC. 21 ERIE STREET CAMBRIDGE MA 02139 1 0 0 0 Common Stock 2014-08-22 4 P 0 3800000 A 4505000 D Common Stock 2014-08-22 4 P 0 2000000 A 2000000 I Owned by Birchview Fund LLC Common Stock 2014-08-22 4 P 0 50000 A 50000 I Owned as custodian Common Stock 2014-08-22 4 P 0 50000 A 50000 I Owned as custodian Common Stock 2014-08-22 4 P 0 50000 A 50000 I Owned as custodian Common Stock 2014-08-22 4 P 0 50000 A 50000 I Owned as custodian Common Stock 89695 I By spouse as custodian UGMA for children Common Stock 40919 I As trustee Series B Convertible Preferred Stock 2014-08-22 4 P 0 3800 A Common Stock 3800000 3800 D Series B Convertible Preferred Stock 2014-08-22 4 P 0 2000 A Common Stock 2000000 2000 I Owned by Birchview Fund LLC Series B Convertible Preferred Stock 2014-08-22 4 P 0 50 A Common Stock 50000 50 I Owned as custodian Series B Convertible Preferred Stock 2014-08-22 4 P 0 50 A Common Stock 50000 50 I Owned as custodian Series B Convertible Preferred Stock 2014-08-22 4 P 0 50 A Common Stock 50000 50 I Owned as custodian Series B Convertible Preferred Stock 2014-08-22 4 P 0 50 A Common Stock 50000 50 I Owned as custodian The reported securities are included within 3,800,000 units of Issuer securities (the "Units") purchased by the reporting person for $0.50 per Unit pursuant to a Securities Purchase Agreement, dated August 4, 2014 by and among the Issuer and certain other qualified institutional and individual investors (the "Purchase Agreement"). The reported securities are included within 2,000,000 Units purchased by the reporting person for $0.50 per Unit pursuant to the Purchase Agreement and held by the reporting person's child. Mr. Strobeck is the sole member of Birchview Capital GP, LLC (the "GP"), the general partner of Birchview Capital, LP (the "Investment Manager"), which is the investment Manager of Birchview Fund, LLC (the "Fund") and the sole member of Birchview Partners, LLC (the "Manager"), which is a member of the Fund. Mr. Strobeck disclaims Section 16 beneficial ownership of the shares of Common Stock and Series B Convertible Preferred Stock, par value $0.01 per share (the "Series B Preferred Stock") held by the Fund (collectively, the "Fund Shares") and this report shall not be deemed an admission that such reporting person is the beneficial owner of such Fund Shares, except to the extent of his pecuniary interest, if any, in the Fund Shares by virtue of his membership interest in the GP. The reported securities are included within 50,000 Units purchased by the reporting person for $0.50 per Unit pursuant to the Purchase Agreement and held in an account for a minor child for which the reporting person serves as a custodian. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The reported securities are included within 50,000 Units purchased by the reporting person for $0.50 per Unit pursuant to the Purchase Agreement and held in an account for a minor child for which the reporting person serves as a custodian. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The reported securities are included within 50,000 Units purchased by the reporting person for $0.50 per Unit pursuant to the Purchase Agreement and held in an account for a minor child for which the reporting person serves as a custodian. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The reported securities are included within 50,000 Units purchased by the reporting person for $0.50 per Unit pursuant to the Purchase Agreement and held in an account for a minor child for which the reporting person serves as a custodian. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Each Unit consists of one share of the Issuer's common stock, par value $0.01 per share ("Common Stock") and one one-thousandth (1/1,000) of a share of the Series B Preferred Stock. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. These shares are held indirectly by a trust for the benefit of the reporting person's children. The reporting person is a trustee of the trust. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest in them. Each share of Preferred Stock will automatically convert into 1,000 shares of Common Stock upon the effectiveness of the filing of an amendment to the Issuer's charter to increase the number of shares of the Issuer's authorized Common Stock to not less than 150,000,000. /s/ Sarah P. Cecil, attorney-in-fact 2014-08-26