Contract

Exhibit 10.2

11 Good Energy Sciences, Inc.

0000 Xxxxxx xxxxxxx Xxxxxx X.X., Xxxxx 000

Xxxxxx, XX 00000

Xxxxx Xxxxxx, as the Sellers’ Representative

0000-000 Xxx Xxx Xxxxxxx Xx.

Xxx Xxxxx, XX 00000-0000

Re: Stock Purchase Agreement dated July 11, 2011(the “Agreement”), by and among 11 Good Energy, Inc., a Delaware corporation (“Parent”), 11 Good Energy Sciences, Inc, a Delaware corporation and a wholly-owned subsidiary of Parent (“Buyer”), Kai BioEnergy Corp., a Hawaiian corporation (“Company”) and the Company’s stockholders, namely, Xxxxx Xxxxxx and Xxxxx Xxxxxxxx (such stockholders, collectively, the “Sellers”).

Gentlemen:

This letter shall serve as confirmation that you as Sellers’ Representative and Buyer have mutually agreed to extend the Closing Date in section 2.1(b) of the above captioned Agreement to the close of business on August 5, 2011. Also the reference to August 3, 2011 contained in section 8.1(b) of the above captioned Agreement is likewise changed to the close of business on August 5, 2011. All other terms and conditions of the Agreement remain unchanged.

11 GOOD ENERGY SCIENCES, INC.

By:/s/ Xxxx X. Xxxxx                                

Xxxx X. Xxxxx, COO

Sellers’ Representative

By: /s/ Xxxxx Xxxxxx                                           

Xxxxx Xxxxxx, as Sellers’ Representative