03/22/2005- Higher Grade Diamond

[Franko10 ™]

Kensington Resources Ltd.: Higher Grade Diamond Results For Drillhole 04-140-052 From Fort A La Corne Kimberlite 140/141
3/22/2005 9:01:09 AM

VANCOUVER, British Columbia, Mar 22, 2005 (BUSINESS WIRE) -- Kensington Resources Ltd. (the "Company") (TSX VENTURE:KRT) announces the recovery of 90 macrodiamonds weighing 17.51 carats, including a 1.39 carat stone, from large diameter drillhole 04-140-052 targeted on Fort a la Corne Kimberlite 140/141 drilled during the 2004 Evaluation Program.

The total estimated mass of kimberlite excavated from 04-140-052 was 132.14 tonnes of which 105.24 tonnes of material greater than 1.5 mm in size were retained for macrodiamond recoveries. Minibulk samples were shipped to the De Beers' dense media separation plant located in Grande Prairie, Alberta for the first stage of diamond recovery procedures, followed by final diamond recovery in an ultra-high security facility in Johannesburg, RSA. A summary of sampling information and diamond recovery results for this drillhole is shown in Table 1.

Table 1: Summary of Macrodiamond Recovery for Minibulk Samples from Drillhole 04-140-052

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Theoretical
Sample Excavated
Kimberlite Interval Mass Total
Drillhole Unit (metres) (tonnes)(1) Carats
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04-140-052 140 Breccia Beds 91.05 132.14 17.51
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Est. # of Diamonds
Drillhole Drillhole greater than
Grade Total stones/ 0.25 cts.
Drillhole (cpht) Stones tonne (largest stone)(2)
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04-140-052 13.25 90 0.68 17 stones (1.39 cts.)
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(1) The calculation of theoretical mass was based on the volume of a
vertical cylinder and a kimberlite rock density of 2.21.
(2) Diamond weights were provided in terms of total carats per sieve
class. The reader is cautioned that for interval samples
(12 metres) with multiple stone recoveries, the number of stones
greater than 0.25 carats was estimated by dividing carat weight
by the number of stones in the +9 sieve class for selected
samples and all of the +11 and larger sieve classes.


Large stone recoveries in drillhole 04-140-052 included an estimated 17 diamonds greater than 0.25 carat in size with a combined weight of 11.13 carats. These larger diamonds account for 63.6% of the total carat weight, but represent only 18.9% of the total stones in the parcel. Eleven of the 17 larger diamonds were recovered from samples taken from the upper 50 metres of the kimberlite body. The size distribution of the recovered diamonds from this drillhole is shown in Table 2.

"The higher grade of this minibulk sample with a large proportion of larger stones is likely to affect the modeled grade results for the Breccia Beds in a positive way," commented Robert McCallum, President and CEO of Kensington Resources Ltd.

Table 2: Summary of Macrodiamond Recovery by Sieve Size Category

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+2 Sieve +3 Sieve +5 Sieve +6 Sieve +7 Sieve +9 Sieve
greater greater greater greater greater greater
than than than than than than
Drillhole 1.32 mm 1.48 mm 1.83 mm 2.16 mm 2.46 mm 2.85 mm
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04-140-052 Carats 0.07 0.3 1.23 1.325 1.6 2.29
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04-140-052 Stones 3 8 23 14 16 10
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+11 Sieve +12 Sieve +13 Sieve +15 Sieve +17 Sieve
greater greater greater greater greater
than than than than than
Drillhole 3.45 mm 4.09 mm 4.52 mm 5.41 mm 5.74 mm
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04-140-052 Carats 2.29 0.435 4.14 2.57 1.26
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04-140-052 Stones 7 1 5 2 1
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(i)No stones were recovered in the -1 (less than 1.09 mm) and +1
(greater than 1.09 mm) sieve categories.


The 2004 Evaluation Program (CDN $7.6 million) included ten large diameter minibulk drillholes positioned on high-grade zones in kimberlites 140/141 and 122. Samples and results from drillhole 04-140-052 are the third of five batches that were recovered from Kimberlite 140/141 breccia beds and related kimberlite units during the 2004 Evaluation Program. Minibulk samples collected in this program will provide additional diamonds that will be used to increase the level of confidence in grade forecasts, and for revenue modeling by De Beers' experts. A recently revised map of kimberlite body 140/141 showing location of the 2004 drillholes is posted on the Kensington Resources Ltd. website at www.kensington-resources.com.

Brent C. Jellicoe, P.Geo. is the Qualified Person for the Company and has reviewed the technical information herein. All aspects of quality assurance, quality control, and sample chain of custody for the Fort a la Corne Joint Venture are managed by De Beers Canada Inc., the project operator.

Kensington Resources Ltd. is an exploration and mine development company currently focused on the high potential Fort a la Corne Diamond Project in Saskatchewan. The management team includes strong technical expertise and is committed to reaching a diamond producer status for the realization of shareholder value. The Fort a la Corne Diamond Project is a joint venture among Kensington Resources Ltd. (42.245%), De Beers Canada Inc. (42.245%), Cameco Corporation (5.51%) and UEM Inc. (carried 10%). After fifteen years of exploration at Fort a la Corne, the joint venture partners are now planning future programs with a view to entering into an accelerated results-driven advanced exploration and evaluation phase targeted on reaching a pre-feasibility decision in 2008. The Fort a la Corne Diamond Project includes 63 identified kimberlite bodies within the largest diamondiferous kimberlite cluster in the world.

Robert A. McCallum, President & CEO

FORM 20-F FILE #0-24980

LISTED IN STANDARD & POOR'S

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this news release.

Kensington Resources Ltd. (CA:KRT)

SOURCE: Kensington Resources Ltd.

Kensington Resources Ltd.
Robert A. McCallum
President & CEO
1-800-514-7859 or [phone]
Fax: [phone]
[e-mail]
www.kensington-resources.com
OR
Kensington Resources Ltd.
Mel Gardner
Manager Investor Relations
1-800-710-6083
[e-mail]


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