Contract

Confidential treatment has been requested by Constar International Inc. pursuant to Rule 406. All non-public information has been filed with the Securities and Exchange Commission.

Exhibit 10.17

CONFIDENTIAL

December 17, 2001

Xxxxx Xxxxxx

0 Xxxxx Xxx

Xxxxxx, NY 10589-2201

Dear Xxxxx:

Pursuant to our last discussion [***] Constar has now engaged in formal [***] for the year 2002. [***] associated with the latest projection we received from Xxxxx Xxxxx. To formalize this agreement I have attached a signature page for both of us to sign and exchange copies.

Hopefully, you can appreciate the [***] by which we pursued [***] this year. It was certainly [***] made [***] process more effective.

Finally, we are finalizing the [***] and should have that completed next week. Based on our agreement, [***]. I will touch base with you next week to make sure we are in agreement with the final number.

Sincerely,

/s/ Xxxxxxx X. Xxxxxxx

Xxxxxxx X. Xxxxxxx

[***]   Confidential treatment requested

Pepsi Resin Agreement — 2002		1
CONFIDENTIAL		12/19/2001

AGREEMENT ACCEPTANCE FORM

The undersigned are duly authorized to execute this Agreement on behalf of CONSTAR and Pepsi.

CONSTAR, Inc.				Pepsi-Cola Company
Signature:		/s/    Xxxxxxx X. Xxxxxxx		Signature:		Xxxxx Xxxxxx
Print Name:		Xxxxxxx X. Xxxxxxx		Print Name:		Xxxxx Xxxxxx
Title:		President		Title:		V.P. Global Procurement
Date:		12/17/01		Date:		1/10/02

Pepsi Resin Agreement — 2002		2
CONFIDENTIAL		12/19/2001