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Canadian Oil Sands Limited 2500 First Canadian Centre 350–7th Avenue SW Calgary, Alberta T2P 3N9

Tel: 403 218 6200
Fax: 403 218 6201

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Daily Prices for Current Month

All Prices are in Canadian dollars per cubic metre. One cubic metre equals 6.2929 barrels of oil.

May 2013	Syncrude Stream @ Edmonton
1	661.08
2	661.08
3	661.08
4	661.08
5	661.08
6	661.08
7	659.32
8	659.32
9	659.32
10	657.35
11	657.35
12	657.35
13	657.35
14	660.17
15	660.17
16	660.17
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May 2013 Monthly Average

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
April 2013	629.84
March 2013	607.95
February 2013	607.56
January 2013	598.97

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2012	507.16
November 2012	578.84
October 2012	634.28
September 2012	612.18
August 2012	569.94
July 2012	524.34
June 2012	544.81
May 2012	586.33
April 2012	575.03
March 2012	571.16
February 2012	628.34
January 2012	657.17

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2011	671.65
November 2011	689.29
October 2011	629.25
September 2011	632.94
August 2011	589.27 (revised)
July 2011	639.87
June 2011	672.65
May 2011	692.18
April 2011	747.58
March 2011	666.12
February 2011	558.65
January 2011	544.46

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2010	556.90
November 2010	531.93
October 2010	501.02
September 2010	493.37
August 2010	498.84
July 2010	485.03
June 2010	481.62
May 2010	469.20
April 2010	532.12
March 2010	527.11
February 2010	523.71
January 2010	507.83

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2009	483.84
November 2009	509.30
October 2009	503.25
September 2009	473.53
August 2009	477.17
July 2009	441.43
June 2009	474.46
May 2009	415.21
April 2009	392.67
March 2009	422.06
February 2009	334.33
January 2009	301.04

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2008	287.82
November 2008	447.54
October 2008	599.87
September 2008	716.92
August 2008	793.77
July 2008	880.34
June 2008	879.81
May 2008	805.87
April 2008	770.42
March 2008	689.90
February 2008	596.46
January 2008	622.17

Historical Monthly Averages

All Prices are in Canadian dollars per cubic metre.

Month	SyncrudeStream@ Edmonton
December 2007	570.78
November 2007	582.69
October 2007	516.97
September 2007	507.67
August 2007	508.57
July 2007	536.31
June 2007	497.39
May 2007	494.09
April 2007	470.23
March 2007	440.28
February 2007	446.21
January 2007	419.66

The prices posted are for informational purposes only and do not constitute an offer or solicitation for the purchase or sale of the referenced commodity. Although the data and information contained in this posting is based on sources believed to be reliable, Canadian Oil Sands does not guarantee or warrant the accuracy, completeness or currency of such information. Additionally, the prices do not reflect the actual or anticipated revenues to be received by Canadian Oil Sands for its products.

Annual Report 2012

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2012 Annual Report	3.75 MB
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Monthly Syncrude Production

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Alberta Oil Sand(s) Deposits

The four deposits, Athabasca, Peace River, Cold Lake and Wabasca, have total resource in place estimated at 1.7 trillion to 2.5 trillion barrels. The Athabasca Oil Sands deposit, Alberta's largest and most accessible source of bitumen, contains more than one trillion barrels of bitumen over an area encompassing more than 30,000 square kilometers.

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Bitumen

The molasses-like substance that comprises up to 18 per cent of oil sands. Bitumen, in its raw state, is black, asphalt-like oil. It requires upgrading or blending to make it transportable by pipeline and usable by conventional refineries.

Bitumen cracking

A process that breaks large, complex hydrocarbon molecules into smaller, simpler compounds by means of heat.

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Carbon dioxide (CO₂)

A non-toxic gas produced from decaying materials, respiration of animal life, and combustion of organic matter, including fossil fuels; carbon dioxide is the most common greenhouse gas produced by human activities.

Cokers

Vessels in which bitumen is cracked into its fractions and from which coke is withdrawn to start the process of converting bitumen to upgraded crude oil.

Conventional oil

Petroleum found in liquid form, flowing naturally, or capable of being pumped without further processing or dilution.

Cyclofeeder

Specialized equipment that receives oil sand feed and turns it into a slurry form for transport to the pump box.

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Debottleneck

An undertaking to systematically remove plant capacity limitations through modifications of existing facilities and/or addition of capital facilities.

Diesel cetane count

A quality specification important in the production of diesel fuels.

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Extraction

The process of separating bitumen from oil sand.

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Feedstocks

Raw material supplied to refinery, oil sands upgrader, or petrochemical plant.

Flue gas scrubber/desulphurizer

Equipment that removes sulphur dioxide and other emissions.

Fluid coking

A major part of the upgrading process whereby high temperatures in a coker break down the complex bitumen molecules, reject carbon and cause bitumen molecules to reformulate into lighter fractions that become the main ingredients in upgraded crude oil.

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Greenhouse gases

Any of the various gases that contribute to the greenhouse effect.

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LC-Finer hydroprocessor

A major upgrading unit that breaks down bitumen by adding hydrogen with the aid of a catalyst to produce gas oil.

Line-out

The process of optimizing an operational unit or facility to reach its design capacity.

Low-energy extraction

A process for extracting bitumen that uses about one-third of the energy of the traditional process, bringing significant cost and environmental benefits.

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Middle distillates

A classification of refined petroleum products that includes kerosene, diesel, and jet fuel.

Mine train

Modular units for crushing and mixing the oil sands with warm water to facilitate the extraction of bitumen from the oil sands.

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Naphtha

A refined petroleum product in the lighter classification that is often used to make gasoline.

Netback

Average realized selling price, after hedging, less operating costs and Crown royalties.

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Oil sand(s)

A composition of sand, bitumen, mineral-rich clays and water.

Oil sand(s) lease

A long-term agreement with the provincial government that permits the leaseholder to extract bitumen, other metals and minerals contained in the oil sands in the specified lease area.

Ore grade

The percentage of bitumen by weight in the oil sands.

Overburden

Layer of rocky, clay-like material that lies under muskeg and above oil sands deposits.

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Strip ratio

The ratio of waste (overburden material that covers mineable ore) to ore; used to define the quality of an oil sands ore body.

Sulphur dioxide (SO₂)

A compound of sulphur and oxygen produced by burning sulphur.

Synbit

Typically, a synbit blend is a ~50/50 mix of bitumen and synthetic crude oil.

Syncrude Project

Canadian Oil Sands is a pure investment opportunity in light, sweet crude oil. Through our 36.74% interest in the Syncrude project, we offer a solid, robust production stream of fully upgraded crude oil, exposure to future crude oil prices, potential growth through high-quality oil sands leases and an attractive dividend.

Synthetic crude oil (SCO)

A high-quality product resulting from the mining, extraction and upgrading of bitumen.

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Tailings

A combination of water, sand, silt, fine clay particles and residual hydrocarbon that is a by-product of removing bitumen from oil sand.

Tailings systems

Separation of water from sand and clay to enable incorporation of solids into reclamation landscapes and recycling of water back into the operations.

Tar sands

Oil sands are also referred to as tar sands. Oil sands are a naturally occurring combination of clay, sands, water and bitumen (a heavy, black viscous oil), whereas tar is a man-made substance.

Total volume to bitumen in place (TV/BIP)

The ratio of total ore plus overburden volume to total bitumen in place.

Turnaround

A unit shutdown essential for good maintenance of the mining, producing and upgrading facilities. A turnaround reduces production but does not usually halt it entirely as the various operating units are often duplicated.

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Upgrader

A facility that upgrades bitumen (extra heavy oil) into synthetic crude oil.

Upgrading

The conversion of heavy bitumen into a lighter crude oil by increasing the ratio of hydrogen to carbon, either by removing carbon (coking) or adding hydrogen (hydroprocessing).

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Vacuum Distillation Unit (VDU)

Capable of processing 285,000 barrels of bitumen a day, the VDU pulls streams of light and heavy-gas oil from hot bitumen feed delivered by the diluents recovery unit.

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