Filed by Automated Filing Services Inc. (604) 609-0244 - Digital Ecosystems Corp. - Exhibit 10.1






AMENDMENT NO. 1 TO STOCK EXCHANGE AGREEMENT 

THIS AMENDMENT NO. 1 TO STOCK EXCHANGE
  AGREEMENT (“Amendment No. 1”) is entered into as of March
  31, 2006 by and among Digital Ecosystems Corp., a Nevada corporation (“DEC”),
  GSL Energy Corporation, a Maryland corporation (“GSL”), MAB
  Resources LLC, a Delaware limited liability company, as GSL Shareholder Representative
  (the “GSL Shareholder Representative”), and each shareholder
  of GSL that is a signatory to this Amendment No. 1 (each individually, a “GSL
  Shareholder” and collectively, the “GSL Shareholders”).

WITNESSETH:

WHEREAS, DEC and GSL are parties to that certain Stock
  Exchange Agreement dated as of February 10, 2006, by and among DEC, GSL, MABio
  Materials Corporation, a Maryland corporation, and MAB Resources LLC, a Delaware
  limited liability company (the “Exchange Agreement”);

WHEREAS, DEC and GSL have mutually desire to amend certain
  provisions of the Exchange Agreement to incorporate mutually agreed upon changes
  to the Exchange Agreement; and

WHEREAS, Section 11.2 of the Exchange Agreement requires
  that any amendment of the Exchange Agreement be in writing signed by DEC, GSL,
  and the GSL Shareholder Representative.

NOW, THEREFORE, the parties hereby agree as follows:

1. Definitions. Terms used herein and not otherwise
  defined shall have the meanings set forth in the Agreement.

2. Amendments. Effective as of the date hereof:

(i) Section 10.1(d) of the Exchange Agreement is hereby amended
  and restated in its entirety to read as follows:

“(d) By either DEC or GSL, with written
notice to the other party, if the Closing shall not have occurred on or before
April 28, 2006 (or such later date as may be mutually agreed to in writing by
DEC or GSL), unless the failure of such occurrence shall be due solely to the
failure of the party seeking to terminate this Agreement to perform or observe
its agreements set forth in this Agreement required to be performed or observed
by such party on or before Closing.”

3. Continued Validity. The Exchange Agreement (including
  the provisions of the Exchange Agreement not modified hereby), as modified by
  this Amendment No. 1, shall remain in full force and effect following the execution
  of this Amendment No. 1.

4. Governing Law. This Amendment No. 1 shall be
  construed and enforced in accordance with the laws of the State of Colorado.

1




IN WITNESS WHEREOF, the parties hereto have executed this
  Amendment No. 1 effective as of the date set forth above.

	 	DIGITAL ECOSYSTEMS CORP. 
	 	 	  
	 	 	  
	 	 	  
	 	By:	/s/ G. Leigh Lyons 
	 	 	Name: G. Leigh Lyons 
	 	 	Title: President 
	 	 	Date: March 31, 2006 
	 	 	  
	 	 	  
	 	 	  
	 	GSL ENERGY CORPORATION 
	 	 	  
	 	 	  
	 	 	  
	 	By: 	/s/ Kelly Nelson 
	 	 	Name: Kelly Nelson 
	 	 	Title: President 
	 	 	Date: March 30, 2006 
	 	 	  
	 	MAB RESOURCES LLC 
	 	 	  
	 	 	  
	 	 	  
	 	By:	/s/ Marc A. Bruner 
	 	 	Name: _____________________
	 	 	Title: ______________________
	 	 	Date: ______________________


[Signature Page to Amendment No. 1 to Stock Exchange
Agreement]