Post-Effective Amendment No. 195 (the
“Amendment”) to the Registration Statement of J.P. Morgan Exchange-Traded Fund Trust was filed pursuant to Rule 485(a) under the Securities Act of 1933 on July 31, 2018 to register shares of JPMorgan Core Plus Bond ETF, JPMorgan Income
Builder Blend ETF, JPMorgan Inflation Managed Bond ETF, JPMorgan Municipal ETF and JPMorgan Ultra-Short Municipal ETF. Pursuant to Rule 485(a), the Amendment would have become effective on October 14, 2018. Post-Effective Amendment No. 197 was filed
pursuant to Rule 485(b)(1)(iii) for the purpose of designating November 13, 2018, as the new date upon which the Amendment would have become effective with respect to JPMorgan Core Plus Bond ETF, JPMorgan Income Builder Blend ETF and JPMorgan
Inflation Managed Bond ETF only. Post-Effective Amendment No. 203 was filed pursuant to Rule 485(b)(1)(iii) for the purpose of designating December 13, 2018, as the new date upon which the Amendment would have become effective with respect to
JPMorgan Core Plus Bond ETF, JPMorgan Income Builder Blend ETF and JPMorgan Inflation Managed Bond ETF only. Post-Effective Amendment No. 207 was filed pursuant to Rule 485(b)(1)(iii) for the purpose of designating January 12, 2019, as the new date
upon which the Amendment would have become effective with respect to JPMorgan Core Plus Bond ETF, JPMorgan Income Builder Blend ETF and JPMorgan Inflation Managed Bond ETF only. Post-Effective Amendment No. 210 was filed pursuant to Rule
485(b)(1)(iii) for the purpose of designating February 11, 2019, as the new date upon which the Amendment would have become effective with respect to JPMorgan Income Builder Blend ETF and JPMorgan Inflation Managed Bond ETF only. Post-Effective
Amendment No. 213 was filed pursuant to Rule 485(b)(1)(iii) for the purpose of designating March 13, 2019, as the new date upon which the Amendment would have become effective with respect to JPMorgan Income Builder Blend ETF and JPMorgan Inflation
Managed Bond ETF only. Post-Effective Amendment No. 221 was filed pursuant to Rule 485(b)(1)(iii) for the purpose of designating April 12, 2019, as the new date upon which the Amendment would have become effective with respect to JPMorgan Income
Builder Blend ETF and JPMorgan Inflation Managed Bond ETF only. JPMorgan Ultra-Short Municipal ETF has separately file Post-Effective Amendment No. 199 and went effective on October 15, 2018. JPMorgan Municipal ETF has separately file Post-Effective
Amendment No. 201 and went effective on October 22, 2018. JPMorgan Core Plus Bond ETF has separately filed Post-Effective Amendment No. 211 and went effective on January 23, 2019. This Post-Effective Amendment No. 225 is now being filed pursuant to
Rule 485(b)(1)(iii) for the purpose of designating May 12, 2019, as the new date upon which the Amendment shall become effective with respect to JPMorgan Income Builder Blend ETF and JPMorgan Inflation Managed Bond ETF and incorporates by reference
the information contained in Parts A, B and C of the Amendment with respect to JPMorgan Income Builder Blend ETF and JPMorgan Inflation Managed Bond ETF.