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MIDAMERICAN ENERGY COMPANY

SERVICE AREA 10,600 square miles

ELECTRIC CUSTOMERS SERVED 746,000

NATURAL GAS CUSTOMERS SERVED 726,000

OWNED AND CONTRACTEDGENERATION CAPACITY 7,980 megawatts

OWNED AND CONTRACTED RENEWABLE AND NONCARBON GENERATION CAPACITY 2,952 megawatts

MidAmerican Energy Company, a rate-regulated utility based inDes Moines, Iowa, meets customers’ energy needs by providing reliable,affordable and environmentally responsible energy to customers in Iowa,Illinois, South Dakota and Nebraska.

DIVERSIFIED PORTFOLIO• MidAmerican Energy’s diversified generation portfolio includes coal

(42 percent); wind (37 percent); natural gas and oil (17 percent); andnuclear, hydroelectric and other energy sources (4 percent).

RENEWABLE ENERGY LEADER• MidAmerican Energy is a recognized leader in the use and development

of renewable energy. The company is the No. 1 owner of wind-poweredgeneration among U.S. rate-regulated utilities.

• In 2014, MidAmerican Energy solidified its No. 1 ranking as it continuedwork on its wind expansion projects. The company has committed to addan additional 161 megawatts of wind generation in 2015.

• By the end of 2015, MidAmerican Energy will have approximately3,500 megawatts of wind generation in Iowa.

• The wind projects foster economic development while demonstrating thecompany’s commitment to renewable energy and environmental respect.

CUSTOMER COMMITMENT AND SATISFACTION• MidAmerican Energy offers competitive pricing, multiple billing and

payment options and numerous energy efficiency programs to help itscustomers and provides ongoing support to the communities it serves.

WILLIAM J. FEHRMANPresident and CEO

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TH • In 2014, MidAmerican Energy ranked first in its segment in the Midwest Region in J.D. Power’scommercial gas, residential electric, commercial electric and commercial gas customersatisfaction studies.

DEMONSTRATING ENVIRONMENTAL RESPECT

• MidAmerican Energy proactively engages in emissions-reduction projects.

• Eight years ago, MidAmerican Energy began implementing a plan to install environmentalimprovements at its coal-fueled generation plants, which aligned with existing and anticipatedrequirements of the U.S. Environmental Protection Agency.

• The company continues to install state-of-the-art technologies to reduce emissions of sulfurdioxide, nitrogen oxides and particulate matter at its coal-fueled facilities.

MANAGEMENT TEAM

JUNE 2015

MICHAEL C. FEHRVice President,Regulation

JOSEPH F. MOORE IVVice President

JEFFREY J. GUSTVice President,Compliance andStandards

BARRY CAMPBELLVice President, EnergySupply Management

JENNIFER A. MCIVORDirector, EnvironmentalPrograms, Complianceand Permitting

THOMAS H. HUTCHINSVice President

TERRY T. OUSLEYVice President, CustomerSatisfaction

SALLY A. SONNENBURGVice President, GeneralServices

THOMAS B. SPECKETERVice President and Chief Financial Officer

ROBERT B. BERNTSEN Senior Vice President andGeneral Counsel

MICHAEL A. GEHRINGER Vice President, RenewableEnergy

JAMES W. DOUGHERTY Vice President, ElectricDelivery

SPENCER T. MOORE Vice President, InformationTechnology

RICHARD G. LOVIG Vice President, Laborand Employee Relations

DAVID W. ULOZASVice President,Generation

ADAM L. WRIGHTVice President,Gas Delivery www.midamericanenergy.com