EXHIBIT 10.2

                      AMENDMENT TO SHARE PURCHASE AGREEMENT
                              DATED MARCH 31, 2015

                          BY AND AMONG T-REX OIL, INC.
                                       AND
                        WESTERN INTERIOR OIL & GAS CORP.
                                       AND
                                ITS SHAREHOLDERS


         For and in consideration of mutual benefits,  detriments, and promises,
and the  covenants  herein,  the  parties  agree to  amend  the  Share  Exchange
Agreement, as follows:

         Section 2.01(b) is hereby  deleted  and  substituted  therefore  is the
following:

         T-Rex shall purchase 17 percent of the Western Interior Oil & Gas Corp.
common  shares  as  described  as  follows  for  $1,001,333.75  within  6 months
hereafter:

                  McCutcheon Revocable Living Trust...........28,737
                  Leo A. Giangiacomo...........................2,337
                  Kathleen Giangiacomo...........................559
                  Ocana Investments LLC........................1,452

         Section  2.03  is  amended  to  delete   "9,000,000"   and   substitute
"7,470,000."

         Section 4.02 is hereby  amended to replace the first  sentence with the
following:

         "The authorized  capital stock of TRO consists of 275,000,000 shares of
TRO Common Stock and  50,000,000  shares of Preferred  Stock of which  7,809,857
common shares are outstanding on the date hereof  (excluding shares reserved for
options pursuant to Board Minutes.)."

         Schedule  1.01 is amended to be Schedule  2.01 and is amended to delete
"9,000,000" and substitute "7,470,000."

         Schedule  6.01(b)(6)  shall be amended to read "March 28, 2015" instead
of "April 30, 2015."

         Section 7.09 is amended as follows:

         "$300,000  payable to stockholders"  is amended to read  "$1,001,333.75
shareholder repurchase obligation." The last sentence of Section 7.09 is deleted
hereby.

         Section  8.02(g)(3)  is  redesignated  as (h)(3) and in (h)(3)  "7%" is
amended to "17%."

         Section 8.03(e)(1) is amended as follows:

         "1.01(a)" is amended to read "2.01(a)."

         Section 8.03(e)(2) is amended as follows:

         "," shall be changed to "2."







         This amendment shall be deemed effective at March 28, 2015, the date of
the original Share Exchange Agreement.

         All other terms and shall remain unmodified.

Dated: April 9, 2015

T-Rex Oil, Inc.                             Western Interior Oil & Gas Corp.



By: __/s/__________________________         By: ___/s/_________________________