Talisman’s principal operating areas in the CBA include Montrose/Arbroath, Fulmar, Auk and Clyde. These principal operating areas encompass a total of 13 fields. Talisman currently holds interests ranging from 33% to 100% in the CBA fields, as well as in a number of production facilities and pipelines. Of the 13 fields, 12 are operated (with interests ranging from 59% to 100%) and one is non-operated (33% interest).

In 2010, Talisman completed the Auk North development. A third well at Auk North was completed during the year and the field was brought onstream in November 2010. A fourth development well on Auk North is planned to be drilled in 2011. The Auk South redevelopment is progressing with first production expected in 2012.

In 2010, production from the CBA averaged 16,000 boe/d, which accounted for 21% of Talisman’s total UK production. Talisman participated in one development well and two exploration wells in 2010. Talisman plans to drill two development wells in 2011.

Description and data as of February 28, 2011. See Talisman's 2010 Annual Information Form for more information.