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2016-02-25

Wentworth Resources Limited : Tanzania Reserves Update

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PRESS RELEASE

25 February 2016

WENTWORTH RESOURCES LIMITED
("Wentworth" or "the Company")

Tanzania Reserves Update

Wentworth, the Oslo Stock Exchange (OSE: WRL) and AIM (AIM: WRL) listed
independent, East Africa-focused oil&gas company, is pleased to announce the
results of an independent evaluation of the gas reserves within the Mnazi Bay
Concession in Tanzania, carried out by RPS Energy Canada Ltd. ("RPS"),
Calgary, Canada on behalf of Maurel et Prom (Operator) and Wentworth
Resources.

HIGHLIGHTS (net to Wentworth):

* Net Proved Developed Producing (PDP) reserves increased by 88%
* Net Proved + Probable (2P) reserves increased by 20%
* Net Proved + Probable (2P) reserves are valued at US$179.2 million after
tax (NPV10)
* Proved (1P) - 107.4 Bscf gross (17.9 MMboe); 76.4 Bscf net (12.7 MMboe)
* Proved + Probable (2P) - 181.1 Bscf gross (30.2 MMboe); 114.5 Bscf net
(19.1 MMboe)
* Proved, Probable&Possible (3P) - 275.3 Bscf gross (45.9 MMboe); 156.0 Bscf
net (26.0 MMboe)

The significant 20% increase in 2P reserves from 31 December 2014, which
results from favourable data from the MB-4 well drilled during 2015 and is
detailed within the Reserves Report, further demonstrates the quality of the
Company's assets in Tanzania. With Mnazi Bay gas assets now on-stream, and
production from the existing gas fields increasing to meet the current gas
demand, the existing reserves provide a solid foundation to grow production
from the Mnazi Bay concession.

Geoff Bury, Managing Director, commented:

"We are delighted that our updated CPR with the enhanced attributable reserves
has so conclusively underpinned the core value of Wentworth. Production from
Mnazi Bay continues to ramp up and we are greatly encouraged by the
performance of our existing wells to date. Furthermore, in the current
challenging climate within the oil and gas sector, we believe our core
strategic focus on commercialising our gas in Tanzania is given further
endorsement by the results of this report. "

Mnazi Bay, Tanzania Reserves:

Certain key extracts from RPS' Reserves Assessment follow and the complete
report will be made available on the Company's website
atwww.wentworthresources.com.

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| Reserves Summary for Mnazi Bay as at December 31, 2015 |
| Reserve Category Full Field Wentworth 31.94% WI |
| Gross Reserves Gross(1)Reserves Net(2)Reserves |
| Sales Gas (Bscf) BOE (MMbbl) Sales Gas (Bscf) BOE (MMbbl) Sales Gas (Bscf) BOE (MMbbl) |
| PDP 157.9 26.3 50.4 8.4 38.9 6.5 |
| 1P 336.2 56.0 107.4 17.9 76.4 12.7 |
| 2P 567.1 94.5 181.1 30.2 114.5 19.1 |
| 3P 861.8 143.6 275.3 45.9 156.0 26.0 |
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1 Gross Reserves are Wentworth's working interest share of Total Field
Reserves.
2 Net Reserves are calculated as the product of Wentworth's Gross Reserves
and the ratio of Wentworth's net revenue to Wentworth's working interest
share of field gross revenue.

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| Wentworth Resources Working Interest Reserves for Mnazi Bay as at December |
|31, 2015 |
| Reserve Category NPV Before Tax (Millions US$) using discount factor of |
| 0% 5% 10% 15% 20% |
| Proved |
| Producing 108.2 100.5 93.5 87.3 81.8 |
| Undeveloped 97.3 71.2 52.9 39.8 30.4 |
| Total Proved 205.5 171.7 146.4 127.1 112.2 |
| Probable 97.9 60.5 39.8 27.8 20.5 |
| Proved + Probable 303.5 232.2 186.2 154.9 132.6 |
| Possible 142.3 78.3 47.4 31.7 23.2 |
| Proved + Probable + Possible 445.8 310.5 233.6 186.6 155.9 |
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| Wentworth Resources Working Interest Reserves for Mnazi Bay as at December |
|31, 2015 |
| Reserve Category NPV After Tax (Millions US$) using discount factor of |
| 0% 5% 10% 15% 20% |
| Proved |
| Producing 108.2 100.5 93.5 87.3 81.8 |
| Undeveloped 89.7 65.7 48.9 36.8 28.1 |
| Total Proved 197.9 166.2 142.4 124.1 109.8 |
| Probable 89.9 55.8 36.8 25.8 19.1 |
| Proved + Probable 287.8 222.0 179.2 149.9 128.9 |
| Possible 130.6 72.1 43.8 29.4 21.7 |
| Proved + Probable + Possible 418.4 294.1 223.0 179.3 150.6 |
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There has been no change to Prospective Resources in the Company's Mnazi Bay
Concession.

Partners in the Mnazi Bay Concession are:

Maurel et Prom: 60.075% (Operator) through exploration; 48.06%
production
Wentworth: 39.925% through exploration; 31.94% production
TPDC: 20% production

Notes and Glossary

These assessments are made in accordance with the standard defined in the
SPE/WPC Petroleum Resources Management System (2007) and the Canadian Oil and
Gas Evaluation Handbook ("COGEH").

Gerold Fong, Vice President Exploration of the Company and an Exploration
Geophysicist with over 30 years of international and frontier experience in
many basins worldwide, has read and approved the technical disclosure in this
regulatory announcement. Mr. Fong holds a B.sc. in Geophysics from the
University of Calgary and is a member of the Association of Professional
Engineers and Geoscientist of Alberta.

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| Bscf Billion standard cubic feet |
| BOE or boe Barrels of oil equivalent |
| Contingent Resources Quantities of petroleum estimated, as at a given date, to be potentially |
| recoverable from known accumulations, but the applied project(s) are not yet |
| considered mature enough for commercial development due to one or more |
| contingencies |
| GIIP Gas Initially In Place |
| MMbbl Million barrels |
| MMboe Million barrels of oil equivalent |
| NPV Net present value (at a specified discount rate and specified discount date) |
| PDP Proved developed producing |
| Gross Reserves Reserves volumes before deductions for royalty |
| Net Reserves Reserves volumes after deduction of royalty |
| 1P Proved Reserves, those quantities of petroleum, which, by analysis of |
| geoscience and engineering data, can be estimated with reasonable certainty |
| to be commercially recoverable, from a given date forward, from known |
| reservoirs and under defined economic conditions, operating methods, and |
| government regulations. |
| 2P Proved + Probable Reserves, those additional Reserves which analysis of |
| geoscience and engineering data indicate are less likely to be recovered than |
| Proved Reserves but more certain to be recovered than Possible Reserves. It |
| is equally likely that actual remaining quantities recovered will be greater |
| than or less than the sum of the estimated Proved plus Probable Reserves |
| 3P Proved + Probable + Possible Reserves, those additional reserves which |
| analysis of geoscience and engineering data suggest are less likely to be |
| recoverable than Probable Reserves. |
| Prospective Resources Petroleum deposits that are estimated, on a given date, to be potentially |
| recoverable from accumulations yet to be discovered |
| Reserves Quantities of petroleum anticipated to be commercially recoverable by |
| application of development projects to known accumulations from a given date |
| forward under defined conditions. |
| TPDC Tanzania Petroleum Development Corporation |
| WI Working interest attributable to Wentworth |
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-Ends-

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