East West Bank Mortgage Complaint

East West Bank Mortgage department,

Conventional adjustable mortgage (ARM) Application, originator, mortgage broker California

I took a mortgage loan from East West Bank back in - - when I purchased my house. Purchase price was >= $1,000,000 and the loan was $690000.00. I was told by - - and - branch manager the the rate was fixed for the first 5 years for 4.625 % and it would become adjustable ( 1 yr Treasury + - ) begining - - - but my rate remained at - and now they are saying that my loan rate can not be lower than -. I was never told or received any disclosures that there was a minimum rate. I was milsled by East West Bank representatives by both loan officer who does n't have a NMLS number and the branch manager