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EXHIBIT 10.1.3

Service Addendum No. 3 to the
Amended and Restated Service Agreement

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Per Article 3 of the Amended and Restated Service Agreement (the "Agreement")
between THE DOW CHEMICAL COMPANY ("TDCC") and UNION CARBIDE CORPORATION ("UCC"),
with an Effective Date of July 1, 2002, this Service Addendum specifies services
which TDCC and UCC may provide to each other pursuant to the terms and
conditions of the Agreement. This Service Addendum is effective on January 1,
2005 and shall remain in effect thereafter until terminated according to the
provisions of the Agreement.

Services:

•All Pipeline-related operation and maintenance activities and other
Pipeline-related services.

Cost and Billing (if different from the Agreement):

THE DOW CHEMICAL COMPANY

 

UNION CARBIDE CORPORATION
By:
 
/s/ J. P. REINHARD

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By:
 
/s/ EDWARD W. RICH

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Name:   J. P. Reinhard   Name:   Edward W. Rich Title:   Executive Vice
President and Chief Financial Officer   Title:   Chief Financial Officer, Vice
President and Treasurer

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Service Addendum No. 3 to the Amended and Restated Service Agreement