Appendices

Prepared by Robert ( Rik ) Kemper8/28/2011 Total Equipment Total Man- Total Construction &

Des cription 3 4 Scope Definitionition or Material Cost hours Erection Cost Total Projected Costted CostsCombustion Turbines w/ Accessories GE LMS 100-PA 87,618,000.00 44,268.00 6,717,226.32 94,379,494.32SCR w/ Exhaust Stack 14,280,000.00 35,957.04 5,456,120.76 19,772,077.80Aqueous Ammonia Storage & Forwarding 285,600.00 999.60 151,679.10 438,278.70Inlet Air Chillers Not Included 0.00 0 0 0.00Pumps 778,260.00 2,707.08 413,677.32 1,194,644.40Field Erected Tanks Turnkey Subcontracts 1,856,400.00 0 0 1,856,400.00Shop Fabricated Tanks 83,640.00 329.46 49,899.42 133,868.88Cranes & Hoists Allowance for Misc. Hoists Only 15,300.00 214.2 32,727.72 48,241.92Fuel Gas Compressors 2x 100% 3,672,000.00 4,284.00 650,054.16 4,326,338.16

Gas Interconnection and Metering 0.00Station Assumed by Fuel Gas 0.00

Fuel Gas Supply & Metering Supplier 0.00 0 0 0.00Fuel Gas Conditioning 1,071,000.00 1,085.28 164,680.02 1,236,765.30Bulk Gas Storage Provisions 10,200.00 199.92 30,335.82 40,735.74Air Compressors & Dryers 187,680.00 399.84 60,671.64 248,751.48Water Treating Not Included 0.00 0 0 0.00Fire Protection Turnkey Subcontract 459,000.00 0 0 459,000.00B.O.P. Mechanical (Miscellaneous) 102,000.00 571.2 86,673.48 189,244.68

Shop Fab LB and Field Fab SB. 0.00BOP Piping Includes all Hangars & Insulation 1,128,028.20 44,493.42 6,778,917.96 7,951,439.58Valves & Specialties 486,871.50 1,746.24 275,763.12 764,380.86Electrical Major Equipment 6,420,900.00 16,779.00 2,218,973.28 8,656,652.28Electrical BOP 1,887,036.72 63,798.96 8,773,594.26 10,724,429.94Instrumentation & Controls 1,208,700.00 6,497.40 908,401.80 2,123,599.20

Allowance - Based on 138kV 4- 0.00Switchyard Breaker GIS 3,927,000.00 15,228.60 1,939,919.64 5,882,148.24Steel Excluding Building Framing 188,784.66 1,927.80 313,815.24 504,527.70

Includes Buildings , HVAC , & Interior 0.00Buildings Finishes 954,618.00 14,532.96 2,205,200.22 3,174,351.18

Includes Excavation and Foundation 0.00Foundations Pile Allowance 2,201,513.94 27,496.14 3,712,450.14 5,941,460.22Demolition & Mods to Existing Structures None 0.00 0 0 0.00Site Preparation, Drainage, & Yard Work 1,306,824.00 17,298.18 2,725,367.58 4,049,489.76Heavy Haul Subcontracts 0.00 0 816,000.00 816,000.00Indirect and Startup Craft Support 0.00 63,630.66 526,234.32 589,864.98Allowances to attract Labor 0.00 31,690.38 9,001,366.38 9,033,056.76Erection Contractors G&A and Profit 0.00 0 13,376,566.62 13,376,566.62Total Equipment, Material and Labor Costs 130,129,357.02 396,135.36 67,386,316.32 197,911,808.70Consumables 650,658.00Freight, Duties, Taxes, Etc. Freight Only 2,298,571.02Total Direct Project Costs 200,861,037.72Indirect Project Costs 43,139,880.00Contingency & Escalation Contingency Only 24,360,660.00Spare Parts Cost 1,082,220.00Electrical Interconnection & Upgrades 4,896,000.00Gas Interconnect & Reinforcement 5,854,800.00Site Remediation 2,045,610.00Total EPC Project Cost 282,240,207.72

Rik Kemper Economic Consulting