Cook Inlet Basin Overview and Characterization

Alaska's Cook Inlet Basin Large northern fields discovered/developed in 1950's through 1970's Ninilchik developed in 2000 Cosmopolitan first oil production in 2016 Cosmopolitan Tyonek gas field is Proved Undeveloped Legend Gas fields. Oil fields Oil pipelines Gas pipelines Mean Winter Ice Southern Limit H Beluga River 1,402 bcf North Cook Inlet Tyonek 1,945 bcf Granite Point 158 mmbo+143 bcf Kitchen Lights Anchorage Swanson River 236 mmbo McArthur River 666 mmbo+1,550 bef Redoubt Middle Ground Shoal Nikiśki Marathon Refinery Marathon LNG Kenai Kenai Loop Kenai, Cannery Loop 2,796 bcf Cook Inlet Ninilchick 262 bef Cosmopolitan Anchor 20 mi. Point Deep Creek Best Cosmopolitan BlueCrest Energy Nikolaevsk North Fork Homer Energy Balance No connection to outside gas or electric power Gas production meets current local demand. But, through natural decline, gas production will eventually fall below demand without new Sources: • Infill development possibilities • • Typically smaller new volumes Alaska Gas Line future uncertain Importation of gas (LNG) is expensive Renewable sources cannot provide sufficient volumes of low-cost energy New gas discoveries will require years to find and then bring to production Substantial Cosmopolitan gas could be available before a shortage occurs • • Large Proved reserves Conventional development New investment is required Gulf of Alaska

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