$ASQConfederated Tribes Ded IP Ethernet Cost Summary Redacted.xls 100 MgB Enhanced Ethernet, 50MgB Ded IP with IX Transport Description Monthly Recurring Costs 24 Months Core Routers - Equipment Requirements For Up to 50 MgB Dedicated Internet Access Access Routers - Equipment Requirements For Up to 50 MgB Dedicated Internet Access ATM Access Routers - Equipment Requirements For Up to 50 MgB Dedicated Internet Access Existing OSP Infrastructure Facilities Usage Allocated existing IXC fiber Customer - Equipment Requirements For Up to 100 MgB Enhanced Ethernet Central Office - Equipment Requirements For Up to 100 MgB Enhanced Ethernet Total Cost per Site CenturyLink Confidential 2/17/2010 Page 1

$ASQConfederated Tribes Ded IP Ethernet Cost Summary Redacted.xls 100 MgB Enhanced Ethernet, 50MgB Ded IP with IX Transport Qty Unit Study Cost Unit Study SUB CAT Item Description Footage Investment Investment Cost Cost Totals I/O Fiber I/O Fiber I/O Fiber Existing Interoffice Fiber Requirements 3 Mile Fiber from LTD Data Pop to Tir 1 CxR Pop Allocated existing 2 fiber strand - Hood River to Sheridan Allocated existing 2 fiber strand - Grande Ronde to Sheridan Total Existing/Embedded Interoffice Fiber Costs Miles Juniper M320 (Shared) Juniper M320 (Spare) Core Routers OR Sales Tax Total Core Router Costs Cisco 7609 (Shared) Cisco 7609 (Spare) Access Routers OR Sales Tax CPE CPE CPE CPE ATM Access Routers OC3 ATM OSM (Shared) OC3 ATM OSM (Spare) ATM OC3 Port OR Sales Tax Total ATM Access Router Costs Customer Equipment collocated in CO - 100 Mb Enhanced Ethernet Cisco ME3400 OR Sales Tax Overheads/Miscellaneous/Logistics/Order Processing Labor - TRNS Engineering Labor - Installation Total Ethernet Customer Site Equipment Costs Central Office Including Spares - 100 Mb Enhanced Ethernet Existing Cisco 7609 Ethernet Switch Existing Opti 6100s Cisco OC3 ATM Card Spare Cisco OC3 ATM Card Spare Cisco 3400 Opti-6100 10/100 card OR Sales Tax Overheads/Miscellaneous/Logistics/Order Processing Labor - TRNS Engineering Labor - Installation Total Ethernet Central Office Equipment Costs CenturyLink Confidential 2/17/2010 Page 2

$ASQConfederated Tribes Ded IP Ethernet Cost Summary Redacted.xls CenturyLink - OREGON Composite Income Tax Rate Capital Cost Wtd. Cost Debt Cost Debt. Percent Equity Cost Equity Percent Capital Cost (ROR) Ad Valorem Tax Factor Plant MACRS Class (Tax Life Yrs) Salvage Factor Maintenance Factor Depreciation (Economic Life Years) TELRIC ACF Other Direct Expenses (ODE) Circuit Equip - Circuit Equip - CPE Buried Fiber Embedded Local Fiber ITEM OR State Sales Tax City/County Sales Tax Labor OSP Eng (030) Eng (040) OSP Install (300) Install (400) CenturyLink Confidential 2/17/2010 Page 3

1. Question: UNITED TELEPHONE COMPANY OF THE NORTHWEST d/b/a EMBARQ CONTRACT SUMMARY QUESTIONS Please provide the rationale and justification for creating a special class of service. The rationale must include a discussion as to why no previously approved class of service (contract or tariff) is acceptable to the customer for whom the utility proposes a special class of service. Determination of a special class of service must be based on the following: The quantity of service used, the time when used, the purpose for which used, the existence of price competition or a service alternative, the services being provided, the conditions of service, or any other reasonable consideration. Response: 2. Question: Provide the number of similarly situated customers who should receive the same terms and conditions. Response: 3. Question: If there are other similarly situated customers who should not receive the same terms and conditions, explain the differences between those customers and the special contract customer. Response: 4. Question: Summarize the termination clause in the contract that protects Embarq if the customer stops the service early and Embarq does not recover initial costs. Response: 5. Question: Was there a Request for Proposal (RFP)? Response:

6. Question: Are there competitive alternatives? If yes, who are the competitive providers and what services do they offer? Response: