Separation agreement

Exhibit 10.62

CHEMTURA CORPORATION

199 Benson Road

Middlebury, CT 06749

February 13, 2009

BY HAND DELIVERY

Robert L. Wood

67 Tophet Road

Roxbury, CT 06783

Dear Bob:

Per our prior discussions, this letter (the “Amendment”) memorializes our agreement to amend Paragraph 6 of your separation agreement dated December 8, 2008 (your “Agreement”), as follows:

6.             Restrictive Covenants .  You agree that for a two-year period beginning on your Separation Date (December 8, 2008, as defined in the Agreement) you will continue to abide by the restrictive covenants set forth in Paragraphs 8, 9, and 10 of the Employment Agreement, provided, however, that the Company agrees to modify the definition of “Competing Business” for purposes of Paragraphs 1(e) and 9(e) of your Employment Agreement, so that such definition now reads, in its entirety, as follows:

“Competing Business” shall include:

(a) any business that engages in or plans to engage in any aspect (including development, production, mark