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            T-REX OIL, INC. ANNOUNCES APPROVAL OF WATER DISPOSAL WELL
                            IN SIOUX COUNTY, NEBRASKA

BROOMFIELD  (PRNEWSIRE)  -APRIL  27,  2015 - T-REX OIL,  INC.  (OTC:  TRXO),  an
independent energy company engaged in the exploration,  development,  production
and acquisition of oil and natural gas resources,  with an emphasis on oil plays
and with a focus on Rocky Mountain region,  today announced that it had received
final approval from the Nebraska Oil & Gas Commission in Sydney, Nebraska on the
application of T-Rex No. 1, LLC to drill and complete a water injection/disposal
well. The Company is the manager and operator of the T-Rex No. 1 LLC.

This  approval will enable T-Rex No. 1 to proceed with its  construction  of its
water  disposal  facility  to serve not only its field,  but  allowing  T-Rex to
provide  water  disposal  services to the  surrounding  oil fields in  Nebraska,
Colorado and Wyoming.

"Management  is thrilled to receive final permit  approval on the water disposal
well," stated Don Walford,  CEO, "This approval opens a revenue  opportunity for
T-Rex that  allows the  Company  to expand its  revenues  beyond its oil and gas
production and moves T-Rex forward in its business plan."

Management  estimates  that the well  will be  capable  of safely  processing  a
maximum of 14,000 barrels per day, seven days a week, subject to a disposal rate
to be set by the Nebraska Oil & Gas  Commission.  Current  local  disposal  fees
range $1.25 to $1.50 a barrel.

ABOUT T-REX OIL, INC.

T-Rex Oil, Inc. is an energy company focused on acquiring, exploring, developing
and producing oil and natural gas  properties  predominately  in the central and
western United States.  The Company's  executives  have extensive  experience in
managing  oil and gas  properties.  Currently,  T-Rex  Oil,  Inc.  has  acquired
producing wells, leases and water disposal properties in Wyoming,  Nebraska, and
Utah and is actively  pursuing other expansion  opportunities  in Colorado.  The
Company's  goal is to build steady,  sustainable  growth of its inventory of oil
and  gas  properties.  Information  about  T-Rex  Oil,  Inc.  can  be  found  at
www.t-rexoilinc.com.

FORWARD-LOOKING STATEMENTS
This press release includes  "forward-looking  statements" within the meaning of
Section 27A of the  Securities  Act of 1933, as amended,  and Section 21E of the
Exchange Act of 1934, as amended.  Actual results and future events could differ
materially from those anticipated in such statements,  and such  forward-looking
statements  may not  prove  to be  accurate.  These  forward-looking  statements
involve  certain  risks and  uncertainties,  including,  but not limited to, the
following  risks  related to  financial  and  operational  performance:  general
economic conditions; the Company's ability to execute its business plan; changes
in  prices  and  demand  for  oil and  natural  gas  prices;  delays  and  other
difficulties  related to producing oil and natural gas; its ability to integrate
acquisitions;  availability of sufficient  capital to execute its business plan;
and  other  important  factors  which  could  cause  actual  results  to  differ
materially from those anticipated or implied in the forward-looking  statements.
For further discussions of risks and uncertainties,  you should refer to T-Rex's
SEC filings.  T-Rex undertakes no obligation and does not intend to update these



forward-looking  statements to reflect events or  circumstances  occurring after
the date of this  press  release,  except  as  required  by law,  including  the
securities  laws of the United States and the rules and  regulations of the SEC.
Any forward-looking  statements speak only as of the date of this press release.
All  forward-looking   statements  are  qualified  in  their  entirety  by  this
cautionary statement.

Source: T-Rex Oil, Inc.
T-Rex Oil, Inc.
720-502-448