King's Bay Gold Intersects 1.56 OZ/T Gold Over 8 Feet, Red Lake, Ontario


WINNIPEG, Manitoba, Oct. 23, 2007 (PRIME NEWSWIRE) -- King's Bay Gold Corp. (TSX-V:KBG) and Mainstream Minerals Corp. (TSX-V: MJO) are pleased to announce that they have received more results from their Phase 1 diamond drilling program on their Bobjo Mine Project, located in Earngey Township, Red Lake, Ontario.

The partners are pleased to report that Hole #14 has intersected a new gold zone returning 1.56 opt gold over 8 feet (53.61g/t Au over 2.45 metres). Specks of visible gold were observed in this intersection. The partners are also waiting for the results from a 40 ft heavily mineralized quartz carbonate zone that was intersected deeper in this hole. The mineralization is mainly comprised of pyrite, pyritite and some chalcopyrite. It has been sent to SGS Canada Inc.'s laboratory to be analyzed for gold and 32 elements using the (ICP) method.

A table of full results of Holes #1 through #14 included below:

True widths are not known



   Hole            Dip      Interval   Interval    Interval         Au
                             From         To        Metres        (g/T)

 BJ07-01          -45        1.25        10.00        8.75       2.557
 including                   1.50         2.00        0.50       5.056
 and                         4.00         4.50        0.50      15.659
 and                         9.50        10.00        0.50      18.184

 BJ07-02          -60        0.50         7.50        7.00       1.561
 including                   3.90         4.40        0.50       2.958
 and                         6.50         7.50        1.00       6.847

 BJ07-03          -85        2.00         6.40        4.40       2.235
 including                   2.00         2.50        0.50       6.787
 and                         5.00         5.40        0.40       4.289
                            17.00        17.50        0.50       5.428
                            24.50        25.00        0.50       2.517

 BJ07-04          -45        3.00        13.10       10.10       1.276
 including                   8.30        13.10        4.80       2.051
                            14.30        16.10        1.80       1.236

 BJ07-05          -45       12.20        12.80        0.60       1.332
                            14.80        18.70        3.90       1.049
 including                  18.20        18.70        0.50       4.448
                            80.40        80.80        0.40       1.656

   Hole            Dip      Interval   Interval    Interval         Au
                             From         To        Metres        (g/T)

 BJ07-06          -50        2.00         3.10        1.10      32.950
 including                   2.90         3.10        0.20      93.090
                             3.10         3.50        0.40       1.450
                             6.50         8.80        2.30       2.050
                             9.20         9.80        0.60       1.150
                           102.00       102.30        0.30      29.010

 BJ07-07          -60        1.60         2.70        1.10       8.701
 including                   2.20         2.70        0.50      20.030
                             5.50         6.50        1.00       1.731
                             9.20         11.0        1.80       3.690
 including                   9.20        10.00        0.80       6.290
 and                         10.00       11.00        1.00       1.100
                             13.80       14.20        0.40       1.460
                             65.00       65.30        0.30       3.001

 BJ07-08          -60        1.00         8.50        7.50       1.683
 including                   2.20         2.50        0.30       5.001
 and                         8.00         8.50        0.50      12.001
                            13.00        13.30        0.30       1.690
                            67.70        69.00        1.30       2.501

 BJ07-09          -60        12.80       13.10        0.30       2.660
                             13.50       15.00        1.50       6.250
 including                   13.50       14.30        0.80      11.301
                             14.30       15.30        1.00       1.060
                             16.30       16.80        0.50       2.140
                             24.00       27.40        3.40       8.450
 including                   26.00       27.40        1.40      10.950

   Hole            Dip      Interval   Interval    Interval         Au
                             From         To        Metres        (g/T)

 BJ07-10          -50        5.60         6.60        1.00       2.930

 BJ07-11          -50        1.50         3.50        2.00       3.271
 including                   1.50         2.00        0.50       8.051
                            12.50        13.00        0.50       5.060
                            89.10        89.50        0.40       1.011
                           191.30       192.00        0.70       2.970

 BJ07-12          -50        0.50         2.50        2.00       4.955
 including                   1.50         2.00        0.50       9.711

 BJ07-13          -50                                              NSV

 BJ07-14          -45        0.60         3.05        2.45      53.610
 including                   0.60         1.80        1.20      118.88
                            10.60        10.90        0.30       7.040

Both companies are very encouraged with the initial high-grade gold results from this Phase 1 diamond drilling program. Drilling is ongoing and will continue to test areas of this large quartz vein system that is open in all directions and at depth. The partners are also waiting for the assay results of Holes #15 through #20 which will be released immediately upon receipt and verification.

The Bobjo Mine project is located between the former South Bay Zinc/Copper Mine and Uchi Lake Gold Mine. It is comprised of a total of 9 patented and 86 unpatented claim units (3,800 acres). It is noted that an existing power line passes through the southern part of the property and that it is within trucking distance to the Placer Dome/Goldcorp Mill in Red Lake, Ontario.

The joint venture is 50% Kings Bay Gold (TSX-V:KBG) and 50% Mainstream Minerals (TSX-V:MJO) with Mainstream Minerals being the Operator of the project. The samples were analyzed by SGS Canada Inc.'s laboratory in Red Lake, Ontario.

This news release has been verified and approved by Geologist John Archibald, Member Association of Professional Geoscientists of Ontario (APGO) who is the Qualified Person under National Instrument 43-101.

"KBG" Shares Issued & Outstanding: 35,266,273

About King's Bay Gold

King's Bay Gold is unique in the industry in that it owns most of the equipment required to carry out the various phases of exploration. This includes diamond drills, bulldozers and other exploration equipment giving the company the ability to quickly adjust its work programs as exploration results are realized and company strategies change. The Corporation is a very active and well financed Canadian mineral exploration company with mineral projects strategically located in Canada's gold camps. These properties include -- (i) a property located directly adjacent to Canada's richest gold mine, (ii) two past producing gold mines, and (iii) other locations that are in very close proximity to either past producers and/or recent discoveries.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. Some of the statements contained in this release are forward-looking statements, such as estimates and statements that describe KBG's future plans, objectives or goals, including words to the effect that KBG's management expects a stated condition or result to occur. Since forward-looking statements address future events and conditions, by their very nature, they involve inherent risks and uncertainties.



            

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