(mountain standard time) in the Chambers Room of the First Canadian Centre, at
350 - 7th Avenue SW, Calgary, Alberta. Extreme has added
new genres to its portfolio, and has established its entertainment
umbrella, adding Science + Technology , Travel and Adventure and more
recently Lifestyle and Factual.

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About Big Sky Transportation Co.

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m. The close of business on March 10, 2005
was fixed as the record date for determination of those Unitholders entitled
to receive notice and to vote at the meeting.

Business Editors/Sports Editors/Entertainment Editors

LAS VEGAS----All Sports Television
Network (ASTN), a wholly owned subsidiary of OBN Holdings, Inc.

About Destination Adventure

Almost everyone likes to combine their holidays with their
sporting interests, but now more and more people are looking to go a
little bit further.: 8275 South Eastern Avenue, Suite 200, Las
Vegas, Nevada 89123.

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deLeeuw as its
new President.

About Extreme Entertainment

Extreme Entertainment, part of the Extreme Group, aims to provide
the Domestic and International market place with entertaining, high
quality, innovative content in a wide variety of genres.; All Sports
Television Network, Inc.obnholdings .

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. is a holding company for the wholly owned
operating subsidiaries Omni Broadcasting Network, Inc . To
view further company information and updates, visit our website
located at www.

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"

deLeeuw and his family will relocate to Billings, Montana. CALGARY, April 21 - (TSX - COS."

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Big Sky Airlines operates as a code
sharing and frequent flier program partner with Alaska/Horizon
Airlines, Northwest Airlines and America West Airlines, which allows
customers the convenience of traveling with one ticket, through
baggage checking and economical through fares to destinations
throughout the world. All proxies must be received by
Computershare Trust Company no later than Sunday, April 24, 2005.49 per cent working interest in the Syncrude Joint Venture.. By
establishing creative partnerships globally, and by developing its own
in-house programming in conjunction with established Independent
producers, Extreme Entertainment harnesses the best elements of the
Producer -Distributor relationship in order to produce programming of
excellence for established and emerging platforms.

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Prior to that he held senior level positions with
Atlas Air Worldwide Holdings, Vanguard Airlines, Northwest Airlines,
Continental Airlines and People Express Airlines.7 million units outstanding , which
trade on the Toronto Stock Exchange under the symbol COS.
(OTCBB:OBNH), announces the signing of an agreement with British-based
Extreme Entertainment to broadcast its dramatic new adventure travel
guide program Destination Adventure.; Eclectic Entertainment, Inc.obnholdings.com and click on the Media
heading.

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On April 3rd, the company
will begin service to its 17th and 18th cities , Sheridan, Wyoming and
Denver, Colorado.UN.

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Mr. The Trust is
managed by Canadian Oil Sands Limited.

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----Big Sky
Transportation Co.

All Sports Television Network Signs Deal with British Distributor

For the dedicated
freesports enthusiast, there's never been a show like it - the best
advice , the best tips and the best pictures to show you what it's
really like.

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He has been a financial consultant to Big Sky Airlines
for the last year.

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Business Editors/Airline Writers

BILLINGS, Mont . deLeeuw has been involved in the airline industry for more
than 30 years. Destinations
include: Canada, Brazil, Costa Rica, France, USA, Iceland, Africa,
Uzbekistan, Germany, Tahiti, Maldives, Samoa, Cuba, Ireland, Canaries
Island, Germany, Oman, Italy, Australia, Alaska, India, UK, New
Zealand and many more..

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Canadian Oil Sands Trust provides details on the webcast of its annual meeting

UN
Toronto Stock Exchange

With an authentic position in the
global market, Extreme Entertainment counts National Geographic,
Discovery, Sony Pictures Entertainment, Fox and Channel 4 + Five in
the UK amongst its clients.

About OBN Holdings

OBN Holdings, Inc.
Forward-looking statements are typically identified by words or
phrases such as "believe," "expect," "estimate," "potential ," or
future/conditional verbs such as "will," "should" and "could.

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"The
program will appeal to not only the sports enthusiast, but also to the
traveler seeking excitement well beyond the normal tourist spots. They want the trip of a lifetime - to go beyond
the frontier - to go where few have gone before.

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UN) - Canadian Oil
Sands Trust will release its first quarter 2005 results and hold its Annual
and Special Meeting of Unitholders on Monday, April 25, 2005 at 2:30 p.cos-trust.

Canadian Oil Sands Trust is an open-ended investment trust that generates
income from its 35.; Products on
Demand Channel, Inc.

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, resulting in the
company covering all major facets of the entertainment industry.com
For the latest SEC filings or past news releases, go to the
company's website at www. Please direct any financial questions to Magellan Financial
Media Group at (317) 867-2839.
OBN Holdings, Inc.

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"
deLeeuw added, "This is an exciting time for Big Sky Airlines as
we refleet our airline with the Beechcraft 1900D aircraft which will
provide our customers with the highest level of service and begin
service between Sheridan, Wyoming and Denver, Colorado.
The Trust currently has approximately 91." The
program, which is scheduled to begin airing in April, is the first in
a series of programs that will be imported from Europe.; and Retro Records, Inc.

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Big Sky Airlines serves 16 cities
in Montana, Idaho, Oregon and Washington. All flights are currently operated with 19 seat
Fairchild Metro aircraft.

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Fred deLeeuw Appointed President of Big Sky Transportation Co.

We look
forward to the benefits that our customers will experience the first
time they ride on one of our B1900D aircraft. A fleet transition to the Beechcraft 1900D
aircraft will begin in March .
Following the formal proceedings, Marcel Coutu, President and Chief
Executive Officer, will be available to answer media questions for about
15 minutes. Forward looking statements: This press release and other
statements by OBN Holdings may contain forward-looking statements
within the meaning of the Private Securities Litigation Reform Act
with respect to the outlook for earnings and revenues, other future
financial or business performance, strategies and expectations.

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Jon Marchi, Chairman of the Board of Directors, said "We are
fortunate to have attracted Fred and look forward to his leadership in
the operations and financial results of the company. Media attending the meeting will be asked to show accreditation
when signing in at the media registration desk.

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com . "I find Destination Adventure to
be a very exciting addition to our lineup of sports related
programming ," stated Donald Wilson, acting ASTN General Manager.

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"
Fred deLeeuw said, "The team at Big Sky is second to none in the
industry and having worked with them for the last year I feel
confident that we will be able to continue improving the level of
service provided to our customers.
It 's also a great show for the general action sports armchair
viewer, taking them beyond the edge, into unexplored territory: From
snowboarding the unmapped slopes of the Arctic to rafting the Amazon,
from ski-mountaineering in Alaska to driving across deserts, biking
the Himalayas, or wherever adventure travel is pushing back the
boundaries and challenging us to go to the next level.. (702 ) 435-0544
This press release does not constitute an offer to sell or the
solicitation of any offer to buy any securities of OBN Holdings, Inc,
nor shall there be any sale of any such security in any state in which
such offer, solicitation or sale would be unlawful prior to the
registration or qualification under the securities laws of any such
state.

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announced the appointment of Fred L.

A live audio
Web cast of the meeting will be available on Canadian Oil Sands Trust's Web
site at http://www.

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Canadian Oil Sands Limited
Marcel Coutu
President + Chief Executive Officer

Units Listed - Symbol: COS.