EXHIBIT 10.5.5 PURCHASE AGREEMENT ADDENDUM THIS PURCHASE AGREEMENT ADDENDUM (the "Addendum") is entered into effective as of the 12th day of April 2004, by and between XRG, Inc. ("XRG") and J. BENTLY COMPANIES, INCORPORATED ("JBC").

EXHIBIT 10.5.5

                           PURCHASE AGREEMENT ADDENDUM


     THIS PURCHASE AGREEMENT ADDENDUM (the "Addendum") is entered into effective
as of the 12th day of April 2004, by and between XRG, Inc. ("XRG") and X. XXXXXX
COMPANIES, INCORPORATED ("JBC").

                                    RECITALS:

     WHEREAS,  XRG and JBC are  parties to a Purchase  Agreement  dated May 2003
(the "Purchase Agreement"); and

     WHEREAS,  the parties now desire to amend the Purchase Agreement to reflect
the parties' agreement to modify the purchase consideration as set forth herein.

     NOW, THEREFORE,  for good and valuable consideration,  the receipt of which
is hereby acknowledged, the parties agree as follows:


         1.       Section 2(b) Purchase Consideration. The following language
                  will be deleted. The XRG Common Stock will be registered
                  within (60) days of the Closing Date. The number of XRG Shares
                  is subject to adjustment six and twelve months (an "Adjustment
                  Date") after the acquisition date based on the future market
                  price of the XRG Shares.

         2.       800,000 shares of XRG Common Stock ("XRGC Shares") will be
                  issued to the shareholders of X. Xxxxxx Companies,
                  Incorporated in proportion to their holdings in the company.

         3.       Except as modified hereby, the Purchase Agreement remains in
                  full force and effect.


XRG, INC.                                         JBC SHAREHOLDER:

By:
   -------------------------                 ----------------------------
          President



X. XXXXXX COMPANIES, INCORPORATED

By:
   -----------------------------------------
                  President