SCHEDULE A Master Advisory Fee Waiver Agreement for iShares U.S. ETF Trust (As of September 28-29, 2016) (all percentages are expressed as a percentage of average daily net assets)

Exhibit (d.6)

SCHEDULE A

Master Advisory Fee Waiver Agreement for iShares U.S. ETF Trust

(As of September 28-29, 2016)

(all percentages are expressed as a percentage of average daily net assets)

Fund		Advisory Fee Waiver		Last Day of Term
iShares Interest Rate Hedged Corporate Bond ETF		With respect to the Fund, BFA has contractually agreed to reduce the management fee so that the management fee is equal to the Acquired Fund Fees and Expenses that would have been experienced by the Fund related to its investment in the iShares iBoxx $ Investment Grade Corporate Bond ETF (LQD), after taking into account any fee waivers by LQD, plus 0.10%.		February 28, 2022
iShares Interest Rate Hedged High Yield Bond ETF		With respect to the Fund, BFA has contractually agreed to reduce the management fee so that the management fee is equal to the Acquired Fund Fees and Expenses that would have been experienced by the Fund related to its investment in the iShares iBoxx $ High Yield Corporate Bond ETF (HYG), after taking into account any fee waivers by HYG, plus 0.05%.		February 28, 2022
iShares Interest Rate Hedged 10+ Year Credit Bond ETF		With respect to the Fund, BFA has contractually agreed to reduce the management fee so that the management fee is equal to the Acquired Fund Fees and Expenses that would have been experienced by the Fund related to its investment in the iShares 10+ Year Credit Bond ETF (CLY), after taking into account any fee waivers by CLY, plus 0.10%.		February 28, 2022
iShares Interest Rate Hedged Emerging Markets Bond ETF		With respect to the Fund, BFA has contractually agreed to reduce the management fee so that the management fee is equal to the Acquired Fund Fees and Expenses that would have been experienced by the Fund related to its investment in the iShares X.X. Xxxxxx USD Emerging Markets Bond ETF (EMB), after taking into account any fee waivers by EMB, plus 0.10%.		February 28, 2022
iShares Commodities Select Strategy ETF		With respect to the Fund, an amount equal to the aggregate Acquired Fund Fees and Expenses (as defined by the SEC in the instructions to form N-1A), if any, attributable to investments by the Fund in other registered investment companies advised by BFA, or its affiliates.		February 29, 2024
iShares Edge U.S. Fixed Income Balanced Risk ETF		With respect to the Fund, an amount equal to the aggregate Acquired Fund Fees and Expenses (as defined by the SEC in the instructions to form N-1A), if any, attributable to investments by the Fund in other registered investment companies advised by BFA, or its affiliates.		February 29, 2024

XXXXXXX U.S. ETF TRUST on behalf of each FUND						BLACKROCK FUND ADVISORS
By:		/s/ Xxxx Xxx				By:		/s/ Xxxxx Xxxxx
		Xxxx Xxx						Xxxxx Xxxxx
		Chief Financial Officer, iShares U.S. ETF Trust						Managing Director

Dated: September 28-29, 2016

[Signature Page to Amended Schedule A of Master Advisory Fee Waiver Agreement]