Pursuant to the Fund’s procedures adopted under Rule 10f-3, the Fund’s Board of Directors/Trustees receives a quarterly report in the form of a checklist as to the satisfaction of the applicable conditions of paragraph (c)(1) through (c)(8) of Rule 10f-3.

Fund	American Century Multisector Income ETF
Issuer	Mozart Debt Merger Sub
Ticker/Sedol	62482BAB8
Principal Amount (US$)	$2,500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$400,000
Amount Purchased (Foreign$)	N/A
Trade Date	9/30/2021
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Goldman Sachs

Other Syndicate Members: Banco Santander (US)
Barclays Capital
BMO Capital Markets Corp
BNP Paribas
BofA Securities
Citigroup Global Markets Inc.
Credit Suisse
Deutsche Bank Securities Inc.
HSBC Securities
ING US Capital Corp
Jefferies & Co
JP Morgan
Macquarie Securities USA Inc
Mizuho Securities USA Inc
Morgan Stanley
MUFG Securities Americas Inc
Nomura Securities International
RBC Capital Markets
Scotia Capital USA Inc.
SMBC Nikko Securities America Inc
Societe Generale
TD Securities
Truist Securities Inc
UBS Securities LLC
Wells Fargo Securities LLC
Blackstone Group
TCG BDC Inc

Underwriting Spread	2.00%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Bank of America Corp
Ticker/Sedol	06051GKD0
Principal Amount (US$)	$3,250,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$147,000
Amount Purchased (Foreign$)	N/A
Trade Date	10/15/2021
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities Inc

Other Syndicate Members: Apto Partners, LLC
CastleOak Securities, L.P.
C.L. King & Associates, Inc.
Drexel Hamilton, LLC
Stern Brothers & Co.
Tribal Capital Markets, LLC
ABN AMRO Securities (USA) LLC
Capital One Securities, Inc.
CIBC World Markets Corp.
HSBC Securities (USA) Inc.
Huntington Securities, Inc.
ING Financial Markets LLC
Intesa Sanpaolo S.p.A.
KeyBanc Capital Markets Inc.
Lloyds Securities Inc.
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
nabSecurities, LLC
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nomura Securities International, Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Regions Securities LLC
Santander Investment Securities Inc.
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
TD Securities (USA) LLC
Truist Securities, Inc.
U.S. Bancorp Investments, Inc.
Westpac Capital Markets LLC

Underwriting Spread	.45%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of America Corp
Ticker/Sedol	06051GKD0
Principal Amount (US$)	$3,250,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$68,000
Amount Purchased (Foreign$)	N/A
Trade Date	10/15/2021
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities Inc

Other Syndicate Members: Apto Partners, LLC
CastleOak Securities, L.P.
C.L. King & Associates, Inc.
Drexel Hamilton, LLC
Stern Brothers & Co.
Tribal Capital Markets, LLC
ABN AMRO Securities (USA) LLC
Capital One Securities, Inc.
CIBC World Markets Corp.
HSBC Securities (USA) Inc.
Huntington Securities, Inc.
ING Financial Markets LLC
Intesa Sanpaolo S.p.A.
KeyBanc Capital Markets Inc.
Lloyds Securities Inc.
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
nabSecurities, LLC
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nomura Securities International, Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Regions Securities LLC
Santander Investment Securities Inc.
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
TD Securities (USA) LLC
Truist Securities, Inc.
U.S. Bancorp Investments, Inc.
Westpac Capital Markets LLC

Underwriting Spread	.45%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Citigroup Inc
Ticker/Sedol	172967NB3
Principal Amount (US$)	$1,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$520,000
Amount Purchased (Foreign$)	N/A
Trade Date	10/20/2021
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Citigroup Global Markets Inc

Other Syndicate Members: Scotia Capital (USA) Inc.
TD Securities (USA) LLC
Academy Securities, Inc.
Banco de Sabadell, S.A.
Bank of China Limited, London Branch
Barclays Capital Inc.
Blaylock Van, LLC
BMO Capital Markets Corp.
Capital One Securities, Inc.
Commerz Markets LLC
ICBC Standard Bank Plc
ING Financial Markets LLC
Intesa Sanpaolo S.p.A.
Mediobanca – Banca di Credito Finanziario S.p.A.
Mizuho Securities USA LLC
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Rabo Securities USA, Inc.
RB International Markets (USA) LLC
RBC Capital Markets, LLC
Roberts & Ryan Investments, Inc.
Santander Investment Securities Inc.
SG Americas Securities, LLC
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
Swedbank AB (publ)
UBS Securities LLC
UniCredit Capital Markets LLC
ABN AMRO Securities (USA) LLC
American Veterans Group, PBC
Bancroft Capital LLC
BBVA Securities Inc.
BofA Securities, Inc.
Cabrera Capital Markets LLC
CIBC World Markets Corp.
Commonwealth Bank of Australia
Credit Agricole Securities (USA) Inc.
Credit Suisse Securities (USA) LLC
Danske Markets Inc.
Desjardins Securities Inc.
Deutsche Bank Securities Inc.
Fifth Third Securities, Inc.
HSBC Securities (USA) Inc.
Huntington Securities, Inc.
KeyBanc Capital Markets Inc.
Loop Capital Markets LLC
MFR Securities, Inc.
MUFG Securities Americas Inc.
Multi-Bank Securities, Inc.
nabSecurities, LLC
National Bank of Canada Financial Inc.
Nomura Securities International, Inc.
Siebert Williams Shank & Co., LLC
Skandinaviska Enskilda Banken AB (publ)
Telsey Advisory Group LLC
Truist Securities, Inc.
Wells Fargo Securities, LLC

Underwriting Spread	1.50%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of Montreal
Ticker/Sedol	06368FAE9
Principal Amount (US$)	$1,349,284,500
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$569,697.90
Amount Purchased (Foreign$)	N/A
Trade Date	1/05/2022
Price (US$)	$99.947
Price-Foreign	N/A
Underwriter	BMO Capital Markets
Other Syndicate Members:	Goldman Sachs & Co. LLC Morgan Stanley BNP Paribas HSBC BofA Securities Citigroup Desjardins Capital Markets J.P. Morgan Mischler Financial Group, Inc. National Bvank of Canada Financial Markets Nomura Ramirez & Co., Inc. UBS Investment Bank Wells Fargo Securities
Underwriting Spread	.25%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of America Corporation
Ticker/Sedol	06051GKJ7
Principal Amount (US$)	$2,250,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$330,000
Amount Purchased (Foreign$)	N/A
Trade Date	2/01/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	BofA Securities, Inc.

Other Syndicate Members: Apto Partners, LLC
Drexel Hamilton, LLC
Great Pacific Securities
Loop Capital Markets LLC
MFR Securities, Inc.
Telsey Advisory Group LLC
ABN AMRO Securities (USA) LLC
ANZ Securities, Inc.
BBVA Securities Inc.
BMO Capital Markets Corp.
CIBC World Markets Corp.
DBS Bank Ltd.
HSBC Securities (USA) Inc
ING Financial Markets LLC
Intesa Sanpaolo S.p.A.
KeyBanc Capital Markets Inc.
Lloyds Securities Inc.
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
Natixis Securities Americas LLC
Nomura Securities International, Inc.
Nordea bank Abp
PNC Capital Markets LLC
Santander Investment Securities Inc.
Scotia Capital (USA) Inc.
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
SVB Securities LLC
UniCredit Capital Markets LLC
U.S. Bancorp Investments, Inc.
Westpac Capital Markets LLC

Underwriting Spread	.35%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Condor Merger Sub Inc.
Ticker/Sedol	579063AB4
Principal Amount (US$)	$2,020,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$295,000
Amount Purchased (Foreign$)	N/A
Trade Date	02/03/2022
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities Inc

Other Syndicate Members: J.P. Morgan
Credit Suisse
Barclays
Citigroup
HSBC
RBC Capital Markets
UBS Investment Bank
BMO Capital Markets
KKR
Macquarie Capital
Mizuho Securities
MUFG
Nomura
Wells Fargo Securities
BNP Paribas
CIBC Capital Marketss
Citizens Capital Markets
Credit Agricole CIB
Fifth Third Securities
IMI - Intesa Sanpaolo
KeyBanc Capital Markets
Natixis
Scotiabank
Societe Generale
SMBC Nikko
Standard Chartered Bank
Stifel
TD Securities

Underwriting Spread	1.75%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Citigroup Inc
Ticker/Sedol	172967NG2
Principal Amount (US$)	$2,500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$544,000
Amount Purchased (Foreign$)	N/A
Trade Date	2/16/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	Citigroup Global Markets Inc

Other Syndicate Members: Academy Securities Inc.
Barclays Capital
BMO Capital Markets Corp.
Capital One Securities Inc.
CastleOak Securities
Commonwealth Bank of Australia
Deutsche Bank Securities Inc.
Intesa Sanpaolo
Lloyds Securities Inc.
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
nabSecurities LLC
Natixis Securities Americas LLC
PNC Capital Markets LLC
RBC Capital Markets
Santander Investment Securities Inc.
Scotia Capital USA Inc.
SG Americas Securities LLC
SMBC Nikko Securities America Inc.
Standard Chartered Bank (US)
TD Securities USA LLC
United Overseas Bank
US Bancorp Investments Inc.
American Veterans Group Pbc
ANZ Securities
Banco de Sabadell
BBVA Securities Inc.
CIBC World Markets
CL King & Associates
Commerz Markets LLC
Credit Agricole Securities USA Inc.
Danske Markets
Desjardins Securities Inc.
Erste Group Bank AG
Fifth Third Securities
Global Oak Captial Markets LLC
Huntington Securities Inc.
Industrial and Commercial Bank of China
ING Financial Markets LLC
Jefferies LLC
KeyBanc Capital Markets
Mischler Financial Group
National Bank of Canada Financial Inc.
Natwest Markets
Netrex Capital Markets LLC
Nomura Securities International
Nordea Bank
Rabo Securities USA Inc.
RB International Markets USA LLC
Regions Securities LLC
Roberts & Ryan Investments Inc.
Samuel A Ramirez & Co Inc.
Tigress Financial Partners LLC
Truist Securities Inc.
UBS Securities LLC
UniCredit Capital Markets Inc.
Westpac Capital Markets LLC

Underwriting Spread	.325%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of America Corporation
Ticker/Sedol	06051GKM0
Principal Amount (US$)	$3,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$145,000
Amount Purchased (Foreign$)	N/A
Trade Date	3/17/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	BofA Securities, Inc.

Other Syndicate Members: American Veterans Group, PBC
Blaylock Van, LLC
Multi-Bank Securities, Inc.
Penserra Securities LLC
Samuel A. Ramirez & Company, Inc.
Siebert Williams Shank & Co., LLC
ANZ Securities, Inc.
Banco de Sabadell, S.A.
BNY Mellon Capital Markets, LLC
Capital One Securities, Inc.
Commerz Markets LLC
Commonwealth Bank of Australia
Danske Markets Inc.
ICBC Standard Bank Plc
ING Financial Markets LLC
Intesa Sanpaolo S.p.A.
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
nabSecurities, LLC
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nomura Securities International, Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Regions Securities LLC
Santander Investment Securities Inc.
SG Americas Securities, LLC
SMBC Nikko Securities America, Inc.
SVB Securities LLC
TD Securities (USA) LLC
Westpac Capital Markets LLC

Underwriting Spread	.25%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	UBS Group AG
Ticker/Sedol	902613AM0
Principal Amount (US$)	$1,200,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$115,000
Amount Purchased (Foreign$)	N/A
Trade Date	5/03/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	UBS Securities LLC

Other Syndicate Members: CIBC
Scotia
BMO
RBC
TD
Wells Fargo
Truist Securities, Inc.
U.S. Bancorp
J.P. Morgan Securities LLC
BofA Securities, Inc.
Citigroup Global Markets Inc.
Morgan Stanley & Co. LLC
National Bank of Canada
Desjardins Securities Inc.
BNY Mellon Capital Markets, LLC
Academy Securities, Inc.
AmeriVet Securities, Inc.
CastleOak Securities, L.P.
Drexel Hamilton, LLC
Blaylock Van, LLC
R. Seelaus, LLC
Roberts & Ryan
UniCredit
Commerz
Natixis
BBVA
ING
Nordea Bank Abp
Lloyds
Barclays
NatWest Markets
Commonwealth Bank of Australia
Nomura
KEXIM Asia Limited
MUFG Securities Americas Inc.
Caixa - Banco de Investimento

Underwriting Spread	.25%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	UBS Group AG
Ticker/Sedol	902613AM0
Principal Amount (US$)	$1,200,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$80,000
Amount Purchased (Foreign$)	N/A
Trade Date	5/03/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	UBS Securities LLC

Other Syndicate Members: CIBC
Scotia
BMO
RBC
TD
Wells Fargo
Truist Securities, Inc.
U.S. Bancorp
J.P. Morgan Securities LLC
BofA Securities, Inc.
Citigroup Global Markets Inc.
Morgan Stanley & Co. LLC
National Bank of Canada
Desjardins Securities Inc.
BNY Mellon Capital Markets, LLC
Academy Securities, Inc.
AmeriVet Securities, Inc.
CastleOak Securities, L.P.
Drexel Hamilton, LLC
Blaylock Van, LLC
R. Seelaus, LLC
Roberts & Ryan
UniCredit
Commerz
Natixis
BBVA
ING
Nordea Bank Abp
Lloyds
Barclays
NatWest Markets
Commonwealth Bank of Australia
Nomura
KEXIM Asia Limited
MUFG Securities Americas Inc.
Caixa - Banco de Investimento

Underwriting Spread	.25%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	UBS Group AG
Ticker/Sedol	902613AP3
Principal Amount (US$)	$1,200,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$73,000
Amount Purchased (Foreign$)	N/A
Trade Date	5/03/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	UBS Securities LLC

Other Syndicate Members: CIBC
Scotia
BMO
RBC
TD
Wells Fargo
Truist Securities, Inc.
U.S. Bancorp
J.P. Morgan Securities LLC
BofA Securities, Inc.
Citigroup Global Markets Inc.
Morgan Stanley & Co. LLC
National Bank of Canada
Desjardins Securities Inc.
BNY Mellon Capital Markets, LLC
Academy Securities, Inc.
AmeriVet Securities, Inc.
CastleOak Securities, L.P.
Drexel Hamilton, LLC
Blaylock Van, LLC
R. Seelaus, LLC
Roberts & Ryan
UniCredit
Commerz
Natixis
BBVA
ING
Nordea Bank Abp
Lloyds
Barclays
NatWest Markets
Commonwealth Bank of Australia
Nomura
KEXIM Asia Limited
MUFG Securities Americas Inc.
Caixa - Banco de Investimento

Underwriting Spread	.25%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of Montreal
Ticker/Sedol	06368D3S1
Principal Amount (US$)	$1,299,701,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$188,956
Amount Purchased (Foreign$)	N/A
Trade Date	5/31/2022
Price (US$)	$99.977
Price-Foreign	N/A
Underwriter	Bank of Montreal Corp.
Other Syndicate Members:	Goldman Sachs & Co. LLC J.P. Morgan Securities LLC Morgan Stanley & Co. LLC Wells Fargo Securities, LLC Academy Securities, Inc. BNP Paribas Securities Corp. BofA Securities, Inc. C.L. King & Associates, Inc. Citigroup Global Markets Inc. Desjardins Securities Inc. HSBC Securities (USA) Inc. National Bank of Canada Financial Inc. Nomura Securities International, Inc. UBS Securities LLC
Underwriting Spread	.25%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Mitsubishi UFJ Finance Corp
Ticker/Sedol	606822CH5
Principal Amount (US$)	$1,400,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$390,000
Amount Purchased (Foreign$)	N/A
Trade Date	7/11/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc
Other Syndicate Members:	Morgan Stanley & Co. LLC Citigroup Global Markets Inc. J.P. Morgan Securities LLC BofA Securities, Inc. Barclays Capital Inc. BNP Paribas HSBC Securities (USA) Inc. Crédit Agricole Corporate and Investment Natixis Securities Americas LLC Société Générale Wells Fargo Securities, LLC Nomura Securities International, Inc. UBS Securities LLC Industrial and Commercial Bank of China Limited, SingaporeBranch RBC Capital Markets, LLC
Underwriting Spread	.20%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Mitsubishi UFJ Finance Corp
Ticker/Sedol	606822CH5
Principal Amount (US$)	$1,400,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$320,000
Amount Purchased (Foreign$)	N/A
Trade Date	7/11/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc
Other Syndicate Members:	Morgan Stanley & Co. LLC Citigroup Global Markets Inc. J.P. Morgan Securities LLC BofA Securities, Inc. Barclays Capital Inc. BNP Paribas HSBC Securities (USA) Inc. Crédit Agricole Corporate and Investment Natixis Securities Americas LLC Société Générale Wells Fargo Securities, LLC Nomura Securities International, Inc. UBS Securities LLC Industrial and Commercial Bank of China Limited, SingaporeBranch RBC Capital Markets, LLC
Underwriting Spread	.20%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of American Corporation
Ticker/Sedol	06051GKW8
Principal Amount (US$)	$3,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$430,000
Amount Purchased (Foreign$)	N/A
Trade Date	7/19/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	BofA Securities

Other Syndicate Members: AmeriVet Securities, Inc.
Cabrera Capital Markets, LLC
CastleOak Securities, L.P.
C.L. King & Associates, Inc.
Mischler Financial Group, Inc.
R Seelaus & Co., LLC
Banco de Sabadell, S.A.
BBVA Securities Inc.
BNY Mellon Capital Markets, LLC
Capital One Securities, Inc.
CIBC World Markets Corp.
Citizens Capital Markets, Inc.
Danske Markets Inc.
HSBC Securities (USA) Inc.
Huntington Securities, Inc.
ING Financial Markets LLC
Lloyds Securities Inc.
Mashreqbank psc
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nomura Securities International Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Scotia Capital (USA) Inc.
SG Americas Securities, LLC
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
SVB Securities LLC
UniCredit Capital Markets LLC

Underwriting Spread	.35%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Bank of American Corporation
Ticker/Sedol	06051GKW8
Principal Amount (US$)	$3,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$150,000
Amount Purchased (Foreign$)	N/A
Trade Date	7/19/2022
Price (US$)	$100
Price-Foreign	N/A
Underwriter	BofA Securities

Other Syndicate Members: AmeriVet Securities, Inc.
Cabrera Capital Markets, LLC
CastleOak Securities, L.P.
C.L. King & Associates, Inc.
Mischler Financial Group, Inc.
R Seelaus & Co., LLC
Banco de Sabadell, S.A.
BBVA Securities Inc.
BNY Mellon Capital Markets, LLC
Capital One Securities, Inc.
CIBC World Markets Corp.
Citizens Capital Markets, Inc.
Danske Markets Inc.
HSBC Securities (USA) Inc.
Huntington Securities, Inc.
ING Financial Markets LLC
Lloyds Securities Inc.
Mashreqbank psc
Mizuho Securities USA LLC
MUFG Securities Americas Inc.
Natixis Securities Americas LLC
NatWest Markets Securities Inc.
Nomura Securities International Inc.
Nordea Bank Abp
PNC Capital Markets LLC
Scotia Capital (USA) Inc.
SG Americas Securities, LLC
SMBC Nikko Securities America, Inc.
Standard Chartered Bank
SVB Securities LLC
UniCredit Capital Markets LLC

Underwriting Spread	.35%
Currency	USD