Segment disclosures

Company overview

GLACIER BANCORP, INC.

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

14 dimension combinations 133 retained observations 6 reported periods

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Big Sky

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:BigSkyMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-314510000 USD20120509Open filing evidence
2011-07-01 – 2011-09-304796000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3014290000 USD20111108Open filing evidence
2011-04-01 – 2011-06-304753000 USD20110808Open filing evidence
2011-01-01 – 2011-06-309494000 USD20110808Open filing evidence
2011-01-01 – 2011-03-314741000 USD20120509Open filing evidence
2010-07-01 – 2010-09-304983000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3014918000 USD20111108Open filing evidence
2010-04-01 – 2010-06-305099000 USD20110808Open filing evidence
2010-01-01 – 2010-06-309935000 USD20110808Open filing evidence

Citizens

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:CitizensMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-314707000 USD20120509Open filing evidence
2011-07-01 – 2011-09-304607000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3012467000 USD20111108Open filing evidence
2011-04-01 – 2011-06-303704000 USD20110808Open filing evidence
2011-01-01 – 2011-06-307860000 USD20110808Open filing evidence
2011-01-01 – 2011-03-314156000 USD20120509Open filing evidence
2010-07-01 – 2010-09-304426000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3013182000 USD20111108Open filing evidence
2010-04-01 – 2010-06-304608000 USD20110808Open filing evidence
2010-01-01 – 2010-06-308756000 USD20110808Open filing evidence

First Bank

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:FirstBankMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-317379000 USD20120509Open filing evidence
2011-07-01 – 2011-09-308085000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3023787000 USD20111108Open filing evidence
2011-04-01 – 2011-06-308089000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3015702000 USD20110808Open filing evidence
2011-01-01 – 2011-03-317613000 USD20120509Open filing evidence
2010-07-01 – 2010-09-308134000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3023863000 USD20111108Open filing evidence
2010-04-01 – 2010-06-307753000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3015729000 USD20110808Open filing evidence

First Bank Of Mt

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:FirstBankOfMtMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-312628000 USD20120509Open filing evidence
2011-07-01 – 2011-09-302679000 USD20111108Open filing evidence
2011-01-01 – 2011-09-307537000 USD20111108Open filing evidence
2011-04-01 – 2011-06-302544000 USD20110808Open filing evidence
2011-01-01 – 2011-06-304858000 USD20110808Open filing evidence
2011-01-01 – 2011-03-312314000 USD20120509Open filing evidence
2010-07-01 – 2010-09-302553000 USD20111108Open filing evidence
2010-01-01 – 2010-09-307445000 USD20111108Open filing evidence
2010-04-01 – 2010-06-302472000 USD20110808Open filing evidence
2010-01-01 – 2010-06-304892000 USD20110808Open filing evidence

First Bank Wy

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:FirstBankWyMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-313632000 USD20120509Open filing evidence
2011-07-01 – 2011-09-304337000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3011448000 USD20111108Open filing evidence
2011-04-01 – 2011-06-303850000 USD20110808Open filing evidence
2011-01-01 – 2011-06-307111000 USD20110808Open filing evidence
2011-01-01 – 2011-03-313261000 USD20120509Open filing evidence
2010-07-01 – 2010-09-303824000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3011523000 USD20111108Open filing evidence
2010-04-01 – 2010-06-303659000 USD20110808Open filing evidence
2010-01-01 – 2010-06-307699000 USD20110808Open filing evidence

First Security

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:FirstSecurityMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-3113447000 USD20120509Open filing evidence
2011-07-01 – 2011-09-3013733000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3039900000 USD20111108Open filing evidence
2011-04-01 – 2011-06-3013510000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3026167000 USD20110808Open filing evidence
2011-01-01 – 2011-03-3112657000 USD20120509Open filing evidence
2010-07-01 – 2010-09-3013871000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3039524000 USD20111108Open filing evidence
2010-04-01 – 2010-06-3013097000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3025653000 USD20110808Open filing evidence

Glacier

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:GlacierMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-3117450000 USD20120509Open filing evidence
2011-07-01 – 2011-09-3018283000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3053553000 USD20111108Open filing evidence
2011-04-01 – 2011-06-3017936000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3035270000 USD20110808Open filing evidence
2011-01-01 – 2011-03-3117334000 USD20120509Open filing evidence
2010-07-01 – 2010-09-3018988000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3056692000 USD20111108Open filing evidence
2010-04-01 – 2010-06-3018969000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3037704000 USD20110808Open filing evidence

Gore

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:GoreMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-319000 USD20120509Open filing evidence
2011-07-01 – 2011-09-30390000 USD20111108Open filing evidence
2011-01-01 – 2011-09-30639000 USD20111108Open filing evidence
2011-04-01 – 2011-06-30219000 USD20110808Open filing evidence
2011-01-01 – 2011-06-30249000 USD20110808Open filing evidence
2011-01-01 – 2011-03-3130000 USD20120509Open filing evidence
2010-07-01 – 2010-09-30156000 USD20111108Open filing evidence
2010-01-01 – 2010-09-30199000 USD20111108Open filing evidence
2010-04-01 – 2010-06-3043000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3043000 USD20110808Open filing evidence

Mountain West

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:MountainWestMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-3117407000 USD20120509Open filing evidence
2011-07-01 – 2011-09-3017311000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3052462000 USD20111108Open filing evidence
2011-04-01 – 2011-06-3017682000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3035151000 USD20110808Open filing evidence
2011-01-01 – 2011-03-3117469000 USD20120509Open filing evidence
2010-07-01 – 2010-09-3021498000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3062631000 USD20111108Open filing evidence
2010-04-01 – 2010-06-3022183000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3041133000 USD20110808Open filing evidence

San Juans

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:SanJuansMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-312833000 USD20120509Open filing evidence
2011-07-01 – 2011-09-302771000 USD20111108Open filing evidence
2011-01-01 – 2011-09-308010000 USD20111108Open filing evidence
2011-04-01 – 2011-06-302610000 USD20110808Open filing evidence
2011-01-01 – 2011-06-305239000 USD20110808Open filing evidence
2011-01-01 – 2011-03-312629000 USD20120509Open filing evidence
2010-07-01 – 2010-09-302730000 USD20111108Open filing evidence
2010-01-01 – 2010-09-308055000 USD20111108Open filing evidence
2010-04-01 – 2010-06-302688000 USD20110808Open filing evidence
2010-01-01 – 2010-06-305325000 USD20110808Open filing evidence

Valley

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:ValleyMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-315363000 USD20120509Open filing evidence
2011-07-01 – 2011-09-305521000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3015961000 USD20111108Open filing evidence
2011-04-01 – 2011-06-305471000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3010440000 USD20110808Open filing evidence
2011-01-01 – 2011-03-314969000 USD20120509Open filing evidence
2010-07-01 – 2010-09-305715000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3016605000 USD20111108Open filing evidence
2010-04-01 – 2010-06-305798000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3010890000 USD20110808Open filing evidence

Western

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=gbci:WesternMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-318603000 USD20120509Open filing evidence
2011-07-01 – 2011-09-309156000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3026201000 USD20111108Open filing evidence
2011-04-01 – 2011-06-308851000 USD20110808Open filing evidence
2011-01-01 – 2011-06-3017045000 USD20110808Open filing evidence
2011-01-01 – 2011-03-318194000 USD20120509Open filing evidence
2010-07-01 – 2010-09-309075000 USD20111108Open filing evidence
2010-01-01 – 2010-09-3026014000 USD20111108Open filing evidence
2010-04-01 – 2010-06-308811000 USD20110808Open filing evidence
2010-01-01 – 2010-06-3016939000 USD20110808Open filing evidence

Business Intersegment Eliminations

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:BusinessIntersegmentEliminationsMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-3181000 USD20120509Open filing evidence
2011-07-01 – 2011-09-3028000 USD20111108Open filing evidence
2011-01-01 – 2011-09-3028000 USD20111108Open filing evidence

Parent

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:ParentMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-03-31173000 USD20120509Open filing evidence
2011-07-01 – 2011-09-30672000 USD20111108Open filing evidence
2011-01-01 – 2011-09-301267000 USD20111108Open filing evidence
2011-04-01 – 2011-06-30194000 USD20110808Open filing evidence
2011-01-01 – 2011-06-30595000 USD20110808Open filing evidence
2011-01-01 – 2011-03-31401000 USD20120509Open filing evidence
2010-07-01 – 2010-09-30135000 USD20111108Open filing evidence
2010-01-01 – 2010-09-30254000 USD20111108Open filing evidence
2010-04-01 – 2010-06-3056000 USD20110808Open filing evidence
2010-01-01 – 2010-06-30119000 USD20110808Open filing evidence