Spire Inc. $150,000,000 3.543% Senior Notes due 2024 UNDERWRITING AGREEMENTUnderwriting Agreement • February 27th, 2017 • Spire Inc • Natural gas distribution • New YorkContract TypeUnderwriting AgreementFiledFebruary 27th, 2017CompanySpire IncIndustryNatural gas distributionJurisdictionNew York