Item 1.01 Entry into a Material Definitive Agreement

On February 10, 2009, Constar International Inc. (the "Company") entered into an amendment (the "Amendment") to the Senior Secured Super-Priority Debtor in Possession and Exit Credit Agreement, dated as of December 31, 2008 (the "Credit Agreement"). The Amendment permits the Company's United Kingdom subsidiary to be indebted to, and from time to time to repay debt owed to, the Company's Dutch subsidiary; provided that such indebtedness is subordinated to the Obligations (as defined in the Credit Agreement) on terms satisfactory to the Administrative Agent and that the aggregate principal balance of such indebtedness is at least $4.0 million. The foregoing is not a complete description of the Amendment, which is filed as Exhibit 99.1 to this Report and the terms of which are incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1 Amendment No. 1 to Credit Agreement, dated as of February 10, 2009, among Constar International Inc., the Guarantors, the Administrative Agent and the Lenders party thereto, to the Senior Secured Super-Priority Debtor in Possession and Exit Credit Agreement, dated as of December 31, 2008.

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