Spreadsheet: kevin_hyatt__19604__Base Model 111601
Sheet: Curves

Volume Assumptions
(O&M + Storage Growth Assumptions Redux)
 |  |  | Projected Fiscal Year Ending December 31,
 |  |  | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011
 |  | Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
Alta Market Resources
Alta Gas Co
Alta Pipeline Company
 |  |  | Projected Fiscal Year Ending December 31,
 |  |  | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011
 |  | Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
Volume Growth Curves
 | Affiliated Volumes |  | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02
 | Non-affiliated [NAME] |  | 1.03 | 1.03 | 1.03 | 1.04 | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 1.03 | 1.03
 | Mainline 104 |  | N/A | N/A | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Southern Trails |  | N/A | N/A | N/A | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Central Utah |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
 | Storage |  | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 1.03 | 1.03 | 1.03 | 1.03 | 1.03
Capacity Discount
 | Mainline 104 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
 | Southern Trails |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
Price Curves
 | Avg. Transport Gas Rate |  | 0.28 | 0.32 | 0.32 | 0.32 | 0.28 | 0.28 | 0.28 | 0.27 | 0.27 | 0.27 | 0.26
 | Avg. Storage Rate |  | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23
 | Other Storage Revenue Growth |  | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 1.05 | 1.03 | 1.03 | 1.03 | 1.03 | 1.03
 | Processing Revenue Growth |  | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Other Business Revenue Growth |  | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Interest & Other Income Growth |  | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Unconsolidated Income Growth |  | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
Expense Projections
 | O & M Growth |  | 0.685 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025 | 1.025
 | Mainline 104 (Exp/Rev) |  | 0.4 | 0.395 | 0.395 | 0.395 | 0.38 | 0.38 | 0.38 | 0.385 | 0.385 | 0.38 | 0.38
 | Southern Trails (Exp/Rev) |  | 0.4 | 0.395 | 0.395 | 0.395 | 0.38 | 0.38 | 0.38 | 0.385 | 0.385 | 0.38 | 0.38
 | Other Taxes Growth |  | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99
Capex Growth Projections
 | Transmission System CAPEX Growth |  | N/A | 0.75 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Mainline 104 CAPEX Growth |  | N/A | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
 | Southern Trails Pipeline CAPEX Growth |  | N/A | N/A | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
 | Central Utah CAPEX Growth |  | N/A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
 | Storage CAPEX Growth |  | N/A | 0.1 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Processing Plant CAPEX Growth |  | N/A | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01
 | Partnerships CAPEX Growth |  | N/A | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95
 | General CAPEX Growth |  | N/A | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.95 | 0.95 | 0.95
Alta Other Businesses