Annual Reports 2018 Annual Reports IBT 2018 Form 5500 – Non-Safety IBT 2018 Form 5500 – Safety Summary Annual Report 2018 – Non-Safety Summary Annual Report 2018 – Safety 2017 Annual Reports IBT 2017 Form 5500 – Non-Safety IBT 2017 Form 5500 – Safety Summary Annual Report 2017 – Non-Safety Summary Annual Report 2017 – Safety 2016 Annual Reports IBT 2016 Form 5500 – Non-Safety IBT 2016 Form 5500 – Safety Summary Annual Report 2016 – Non-Safety Summary Annual Report 2016 – Safety 2015 Annual Reports IBT 2015 Form 5500 – Non-Safety IBT 2015 Form 5500 – Safety Summary Annual Report 2015 – Non-Safety Summary Annual Report 2015 – Safety 2014 Annual Reports IBT 2014 Form 5500 – Non-Safety IBT 2014 Form 5500 – Safety Summary Annual Report 2014 – Non-Safety Summary Annual Report 2014 – Safety Summary Annual Reports and Form 5500’s older than five years are available upon written request from the IBT Manager.