Green Bond Fact SheetInterstate Power and Light Company

Date: 01-Oct-2018

Issue date: 26-Sept-2018 Maturity date: 26-Sept-2028 Tenor: 10Issuer Name

Interstate Power andLight Company

Amount Issued

USD500m

Country of risk

USA

CBI Database

Included

Issuer Type1

Non-Financial
Corporate

Bond Type

Senior unsecured

Green Bond Framework

N/A

Second party opinion

N/A

Certification Standard

Not certified

Assurance report

N/A

Certification Verifier

N/AGreen bond rating

N/A☒ Energy☒ Solar☒ Onshore wind
☐ Offshore wind
☐ Geothermal☐ Hydro☐ Tidal☐ Biofuels☐ Bioenergy☐ District heating☐ Electricity grid

☐ Energy storage☐ Energy performance☐ Infrastructure☐ Industry: components☐ Adaptation & resilience☐ Buildings☐ Certified Buildings☐ HVAC systems☐ Energyperformance☐ Water performance☐ Energy storage/meters☐ Other energy related☐ Industry: components☐ Adaptation & resilience☐ Transport☐ Electric vehicles☐ Low emission
vehicles☐ Bus rapid transit☐ Passenger trains☐ Urban rail

☐ Freight rolling stock☐ Coach / public bus☐ Bicycle infrastructure☐ Energy performance☐ Transport logistics☐ Infrastructure☐ Industry: components☐ Adaptation & resilience☐ Water & wastewater☐ Water distribution☐ Water treatment☐ Wastewatertreatment☐ Water storage☐ Storm water mgmt
☐ Desalinisation plants☐ Erosion control☐ Energy performance☐ Infrastructure☐ Industry: components☐ Adaptation & resilience

Use of Proceeds☐ Waste management☐ Recycling☐ Waste prevention☐ Pollution control☐ Landfill, energy capture☐ Energy performance☐ Infrastructure☐ Waste to energy☐ Industry: components☐ Adaptation & resilience☐ Land use & agriculture☐ Afforestation/parks☐ FSC Forestry☐ FSC Cellulose &paper☐ Land remediation☐ Energy/water efficiency☐ Sustainable agriculture☐ Adaptation & resilience☐ Other☐ Adaptation &resilience☐ ICT☐ Industry: process

Issue details
ReportingCompany information

Within one year of issuance, the issuer will provide an update on their website
regarding the allocation of the new proceeds of the bonds to renewable energy
generation projects, including the key environmental features of such expenditures.
Interstate Power and Light Company is a public utility engaged principally in thegeneration and distribution of electricity, and the distribution and transportationof natural gas in select markets in Iowa and southern Minnesota. The Company
operates through three business segments: electric operations, gas operations andother, which includes steam operations. The Company is a subsidiary of Alliant
Energy Corporation (Alliant Energy). (source)Firsts, records andcertifications
Proceeds description

According to the prospectus, proceeds will be allocated to the construction anddevelopment of wind and solar electric generating facilities.

Climate Bonds view

The bond prospectus provides a good level of disclosure on proceed allocation,management and reporting practices. Going forward, we hope to see more issuers
seeking for external reviews to best practice transparency standards.
Goldman Sachs & Co LLC, MUFG Securities America Inc, Wells Fargo Securities LLC

Underwriters
Deal comments
Credit Rating

Baa1 (Moody’s), A- (S&P)

Pricing summary
Investors summary

1Issuer categories: ABS, development bank, financial corporate, government-backed entity, loan, local government, non-financial
corporate, sovereign