December 15, 2011 at 09:30 AM EST
Orex Exploration Inc.: Corporate Update

MONTREAL, CANADA -- (Marketwire) -- 12/15/11 -- OREX EXPLORATION INC. (TSX VENTURE: OX)(FRANKFURT: O5D) would like to provide shareholders with the following corporate update.

As indicated in our news release of September 29, 2011, the results from the 2010 and 2011 drilling campaigns demonstrate the presence of gold mineralization across our Goldboro Gold Property in the form of numerous, narrow high-grade gold veins. These two drilling campaigns added drilling on 1 additional km of strike length on which no works were realized before; after these campaigns, Orex Exploration has now drilled along the entire 2.5 km strike length of the Goldboro Gold Property. Furthermore, these drilling results suggest a deposit potentially mineable by selective underground methods focussed on the veins or by a shallow open pit operation.

The following are selected highlights of the 2010 and 2011 drilling campaigns, which have been previously presented in past news releases of the Company:


------------------------------------------------------------
                                            CORE        GOLD
                    FROM          TO      LENGTH       GRADE
HOLE #               (m)         (m)         (m)       (g/t)
------------------------------------------------------------
OSK-10-01         190.55      206.55       16.00        0.87
------------------------------------------------------------
                  268.25      275.10        6.85        1.42
------------------------------------------------------------
OSK-10-02         233.70      300.00       66.30        1.17
------------------------------------------------------------
Including         234.50      235.00        0.50    35.60(i)
------------------------------------------------------------
Including         267.50      268.00        0.50    46.40(i)
------------------------------------------------------------
OSK-10-03          47.85       48.35        0.50    16.95(i)
------------------------------------------------------------
                   78.00       88.00       10.00        0.62
------------------------------------------------------------
                  117.50      125.00        7.50        2.91
------------------------------------------------------------
Including         117.50      119.00        1.50       13.85
------------------------------------------------------------
                  137.00      149.00       12.00        1.19
------------------------------------------------------------
                  161.50      202.50       41.00        0.55
------------------------------------------------------------
                  230.85      264.45       33.60        0.67
------------------------------------------------------------
Including         245.08      245.50        0.42       12.50
------------------------------------------------------------
Including         245.50      246.00        0.50    10.35(i)
------------------------------------------------------------
OSK-10-04         129.50      168.55       39.05        1.15
------------------------------------------------------------
Including         129.50      130.00        0.50    50.80(i)
------------------------------------------------------------
And               138.00      139.00        1.00        9.71
------------------------------------------------------------
                  195.50      232.00       36.50        0.32
------------------------------------------------------------
OSK-10-05          61.50       63.00        1.50        5.88
------------------------------------------------------------
                  126.50      165.85       39.35        0.61
------------------------------------------------------------
Including         137.50      138.50        1.00        5.99
------------------------------------------------------------
Including         146.70      147.35        0.65        5.01
------------------------------------------------------------
                  205.95      220.50       14.55        1.57
------------------------------------------------------------
Including         209.00      209.50        0.50    12.90(i)
------------------------------------------------------------
Including         209.50      210.00        0.50       12.45
------------------------------------------------------------
OSK-10-06         110.00      110.50        0.50     4.39(i)
------------------------------------------------------------
OSK-10-07         163.00      260.00       97.00        0.70
------------------------------------------------------------
Including         167.75      168.25        0.50    10.75(i)
------------------------------------------------------------
Including         247.80      248.80        1.00       18.30
------------------------------------------------------------
OSK-10-08         114.00      177.50       63.50        0.53
------------------------------------------------------------
Including         155.35      155.85        0.50    25.70(i)
------------------------------------------------------------
                  204.40      228.30       23.90        1.01
------------------------------------------------------------
Including         213.52      214.02        0.50     7.04(i)
------------------------------------------------------------
Including         215.35      215.85        0.50    20.80(i)
------------------------------------------------------------
OSK-10-09         167.00      203.50       36.50        1.07
------------------------------------------------------------
Including         167.00      168.00        1.00        7.95
------------------------------------------------------------
And               184.25      184.75        0.50     3.39(i)
------------------------------------------------------------
                  193.00      203.50       10.50        2.15
------------------------------------------------------------
Including         203.00      203.50        0.50     7.81(i)
------------------------------------------------------------
                  219.00      224.00        5.00        9.81
------------------------------------------------------------
Including         223.00      224.00        1.00       44.10
------------------------------------------------------------
OSK-10-10         162.00      205.00       43.00        0.51
------------------------------------------------------------
                  245.50      248.00        2.50        3.90
------------------------------------------------------------
OSK-10-11          63.00       64.50        1.50     3.20(i)
------------------------------------------------------------
                   85.40       86.00        0.60     2.66(i)
------------------------------------------------------------
                  118.60      137.00       18.40        0.77
------------------------------------------------------------
Including         118.60      119.30        0.70       15.65
------------------------------------------------------------
                  152.95      153.50        0.55       12.20
------------------------------------------------------------
OSK-10-12         130.00      153.90       23.90        0.43
------------------------------------------------------------
                  229.00      240.55       11.55        0.92
------------------------------------------------------------
OSK-10-13         202.00      220.50       18.50        0.86
------------------------------------------------------------
Including         202.00      202.50        0.50    16.10(i)
------------------------------------------------------------
                  248.50      267.00       18.50        0.45
------------------------------------------------------------
Including         259.50      260.00        0.50     6.19(i)
------------------------------------------------------------
OSK-10-14         146.00      160.00       14.00        1.86
------------------------------------------------------------
Including         148.00      152.00        4.00       10.75
------------------------------------------------------------
OSK-10-16         136.50      172.00       35.50        4.07
------------------------------------------------------------
Including         144.50      155.00       10.50       12.97
------------------------------------------------------------
Including         146.00      146.50        0.50   237.00(i)
------------------------------------------------------------
                  229.00      242.50       13.50        0.90
------------------------------------------------------------
OSK-10-18         141.00      160.00       19.00        0.79
------------------------------------------------------------
Including         141.00      141.55        0.55    10.25(i)
------------------------------------------------------------
OSK-10-19         173.00      215.20       42.20        1.97
------------------------------------------------------------
Including         198.10      198.60        0.50    27.90(i)
------------------------------------------------------------
                  229.50      252.50       23.00        0.65
------------------------------------------------------------
Including         246.00      247.00        1.00        6.70
------------------------------------------------------------
OSK-10-20         117.00      118.00        1.00     2.25(i)
------------------------------------------------------------
OSK-10-21          57.00       70.50       13.50        4.76
------------------------------------------------------------
Including          70.00       70.50        0.50   117.50(i)
------------------------------------------------------------
                  152.00      165.00       13.00        0.45
------------------------------------------------------------
                  178.50      236.00       57.50        0.63
------------------------------------------------------------


Including         209.00      210.00        1.00       15.75
------------------------------------------------------------
OSK-10-22          26.00       28.00        2.00        3.36
------------------------------------------------------------
                   69.00      102.00       33.00        1.64
------------------------------------------------------------
Including          99.00       99.60        0.60       69.60
------------------------------------------------------------
                  137.00      161.00       24.00        0.55
------------------------------------------------------------
OSK-10-23         140.00      159.00       19.00        0.53
------------------------------------------------------------
                  207.00      213.70        6.70       13.40
------------------------------------------------------------
Including         207.00      208.50        1.50       55.70
------------------------------------------------------------
OSK-10-24          90.00      150.00       60.00        0.48
------------------------------------------------------------
Including         115.30      116.00        0.70       19.10
------------------------------------------------------------
OSK-10-25          36.00       83.00       47.00        0.42
------------------------------------------------------------
                  235.00      238.00        3.00        6.68
------------------------------------------------------------
Including         235.00      236.00        1.00       19.10
------------------------------------------------------------
OSK-10-27           8.80       28.00       19.20        0.36
------------------------------------------------------------
                   39.30       74.80       35.50        0.50
------------------------------------------------------------
OSK-10-29          16.50       36.00       19.50        0.35
------------------------------------------------------------
                  144.20      145.00        0.80        6.83
------------------------------------------------------------
                  246.50      248.00        1.50        6.73
------------------------------------------------------------
OSK-10-30         122.00      128.00        6.00       85.75
------------------------------------------------------------
Including         122.00      122.50        0.50 1,005.00(i)
------------------------------------------------------------
And               125.15      126.00        0.85        9.03
------------------------------------------------------------
OSK-10-32         153.50      160.35        6.85        4.03
------------------------------------------------------------
Including         159.85      160.35        0.50    49.90(i)
------------------------------------------------------------
OSK-10-33         101.50      113.00       11.50        0.83
------------------------------------------------------------
OSK-10-34         181.08      184.00        2.92       15.56
------------------------------------------------------------
OSK-10-35          94.70       95.20        0.50      154.50
------------------------------------------------------------
                  161.50      178.10       16.60        0.59
------------------------------------------------------------
OSK-10-36         149.00      149.50        0.50    11.20(i)
------------------------------------------------------------
OSK-10-37          88.10      100.00       11.90       10.20
------------------------------------------------------------
Including          88.10       89.60        1.50       74.50
------------------------------------------------------------
                  121.00      139.50       18.50        0.93
------------------------------------------------------------
Including         121.00      125.50        4.50        3.22
------------------------------------------------------------
OSK-10-38         153.70      154.20        0.50        4.37
------------------------------------------------------------
OSK-10-41          13.75       14.75        1.00       52.90
------------------------------------------------------------
                   63.80      109.70       45.90        0.48
------------------------------------------------------------
Including         105.20      105.70        0.50     8.73(i)
------------------------------------------------------------
OSK-10-43         199.00      247.00       48.00        0.65
------------------------------------------------------------
Including         234.00      234.50        0.50     4.57(i)
------------------------------------------------------------
And               234.50      235.00        0.50    13.85(i)
------------------------------------------------------------
OSK-10-44          71.70      100.75       29.05        0.40
------------------------------------------------------------
OSK-10-45         207.00      225.82       18.82        0.35
------------------------------------------------------------
OSK-10-46          22.80       33.00       10.20        0.92
------------------------------------------------------------
Including          32.20       33.00        0.80       10.05
------------------------------------------------------------
                   89.95      111.00       21.05        9.32
------------------------------------------------------------
Including          89.95       90.45        0.50     9.55(i)
------------------------------------------------------------
And               103.00      104.00        1.00      180.00
------------------------------------------------------------
OSK-10-47           6.20       18.50       12.30        0.89
------------------------------------------------------------
Including          14.00       15.50        1.50        5.06
------------------------------------------------------------
OSK-10-48         135.50      136.00        0.50    49.80(i)
------------------------------------------------------------
OSK-10-49          61.00       99.00       38.00        0.61
------------------------------------------------------------
Including          88.10       88.60        0.50    32.80(i)
------------------------------------------------------------
OSK-10-51          72.50       74.00        1.50        6.16
------------------------------------------------------------
                  162.00      180.00       18.00        0.75
------------------------------------------------------------
Including         162.00      163.35        1.35        7.89
------------------------------------------------------------
OSK-10-56         126.50      130.50        4.00        3.76
------------------------------------------------------------
Including         126.50      127.50        1.00       11.15
------------------------------------------------------------
OSK-10-57          38.50       41.00        2.50        4.90
------------------------------------------------------------
Including          40.00       40.50        0.50       15.45
------------------------------------------------------------
OSK-11-01          36.00       37.00        1.00        1.82
------------------------------------------------------------
                   86.00       88.00        2.00        1.80
------------------------------------------------------------
                  128.00      130.00        2.00        0.58
------------------------------------------------------------
OSK-11-02         117.00      117.50        0.50   412.00(i)
------------------------------------------------------------
                  117.50      128.50       11.00        0.23
------------------------------------------------------------
                  174.00      191.00       17.00        0.55
------------------------------------------------------------
Including         179.50      180.00        0.50     2.67(i)
------------------------------------------------------------
And               182.00      183.00        1.00        4.55
------------------------------------------------------------
                  191.00      205.50       14.50        0.25
------------------------------------------------------------
                  234.50      243.50        9.00        0.53
------------------------------------------------------------
OSK-11-03          38.00       38.95        0.95        1.28
------------------------------------------------------------
                   46.00       50.50        4.50        1.32
------------------------------------------------------------
                   88.00       91.00        3.00        0.64
------------------------------------------------------------
                  143.00      143.70        0.70        4.28
------------------------------------------------------------
OSK-11-04         140.00      140.50        0.50    35.10(i)
------------------------------------------------------------
                  193.85      194.35        0.50 1,570.00(i)
------------------------------------------------------------
                  194.35      197.50        3.15        0.77
------------------------------------------------------------
                  204.95      224.50       19.55        0.89
------------------------------------------------------------
Including         215.00      215.50        0.50     3.04(i)
------------------------------------------------------------
And               223.00      224.50        1.50        6.23
------------------------------------------------------------
OSK-11-06          40.30       42.50        2.20        0.63
------------------------------------------------------------
                   65.15       66.70        1.55       15.80
------------------------------------------------------------
OSK-11-08          89.00       92.00        3.00        0.45
------------------------------------------------------------
                  100.00      101.50        1.50        0.64
------------------------------------------------------------
                  113.00      113.50        0.50    31.30(i)
------------------------------------------------------------
OSK-11-09          68.50       70.00        1.50        1.75
------------------------------------------------------------
                   83.85       84.35        0.50    13.15(i)
------------------------------------------------------------
                   91.50       92.50        1.00        1.54
------------------------------------------------------------
                   96.50       97.50        1.00     1.28(i)
------------------------------------------------------------
                  136.50      137.70        1.20    23.60(i)
------------------------------------------------------------
                  153.50      155.50        2.00        0.40
------------------------------------------------------------
OSK-11-10          62.50       65.30        2.80        0.86
------------------------------------------------------------
                   99.00      103.50        4.50        1.13
------------------------------------------------------------
(i) Metallic Screen Assay / Visible Gold

In addition, as indicated in our news release of August 4, 2009, Orex announced Mineral Resource Estimates for Goldboro. At a 1.5 g/t gold cut-off, there are 2,711,000 tonnes grading 4.56 g/t gold, totalling 397,200 gold ounces in the Measured + Indicated Resources categories, with an additional 3,438,000 tonnes grading 3.67 g/t gold, totalling 405,926 gold ounces in the Inferred Resource category.

The 2009 Mineral Resource Estimates assumed a gold price of US$750 per ounce, whereas gold is presently trading between US$1,600 and US$1,700 per ounce.

Preparations have commenced at Orex to begin the scoping of possible mining scenarios and economic viability of the identified resources. This would also include the removal of a bulk sample of up to 10,000 tonnes (upon approval of the governmental authorities in Nova Scotia) for pilot mill and metallurgical testing, the surveying of surface infrastructure and environmental baseline studies.

The objective of the Company is to advance the Goldboro Gold Project towards a production scenario. Orex Exploration will continue to initiate other actions in 2012 that comply with this objective. The Company will provide shareholders with further updates as they become available.

Annual and Special Meeting of Shareholders

The Annual and Special Meeting of Shareholders of Orex Exploration Inc. will be held on Tuesday, December 20, 2011, beginning at 10:00 a.m. This meeting will be held in the Hochelaga 6 room of the Fairmont Queen Elizabeth Hotel, 900 Rene Levesque Boulevard West, Montreal, Quebec, Canada. Shareholders are encouraged to attend this meeting and to vote their shares by Internet, by phone or in the manner indicated in the Management Proxy Circular dated November 17, 2011.

About Orex Exploration Inc.

Orex Exploration Inc. is a Canadian-based junior resource and exploration company trading under the symbol OX on the TSX Venture Exchange and O5D on the Frankfurt Stock Exchange. The Company holds a 100% interest in the Goldboro Gold Project in Nova Scotia.

The technical information contained in this news release has been reviewed by Bruce Mitchell, P. Geo., Senior Project Geologist to Orex Exploration Inc. and a Qualified Person under National Instrument 43-101 regulations.

Neither the TSX Venture Exchange nor its regulation services provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release. The statements made in this news release that are not historical facts are "forward-looking statements" and readers are cautioned that any such statements are not guarantees of future performance, and that actual developments or results, may vary materially from those in these "forward-looking" statements.

Contacts:
Orex Exploration Inc.
Mark Billings
President & CEO
(514) 296-1641
mark@marengomgt.com
www.orexexploration.ca

Leo Karabelas
Frontline Communications
(905) 553-7992
www.frontlineir.com

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