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	Mitsubishi UFJ Financing Group
Ticker/Sedol	606822CQ5
Principal Amount (US$)	$2,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$163,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	9/06/2022
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc
Other Syndicate Members:	Morgan Stanley & Co. LLC, BofA Securities, Inc., Barclays Capital Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC Bank of China Limited, BNP Paribas, Crédit Agricole Corporate and Investment Bank, HSBC Securities (USA) Inc. Industrial and Commercial Bank of China Limited, Singapore Branch, Natixis Securities Americas LLC, Nomura Securities International, Inc., Société Générale, TD Securities USA LLC Wells Fargo Securities, LLC
Underwriting Spread	0.200%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Mitsubishi UFJ Financing Group
Ticker/Sedol	606822CQ5
Principal Amount (US$)	$2,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$147,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	9/06/2022
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc
Other Syndicate Members:	Morgan Stanley & Co. LLC, BofA Securities, Inc., Barclays Capital Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC Bank of China Limited, BNP Paribas, Crédit Agricole Corporate and Investment Bank, HSBC Securities (USA) Inc. Industrial and Commercial Bank of China Limited, Singapore Branch, Natixis Securities Americas LLC, Nomura Securities International, Inc., Société Générale, TD Securities USA LLC Wells Fargo Securities, LLC
Underwriting Spread	0.200%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Venture Global Calcasieu
Ticker/Sedol	92328MAE3
Principal Amount (US$)	$1,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$32,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	1/10/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	RBC Capital Markets, LLC
Other Syndicate Members:	BofA Securities, Inc., Mizuho Securities USA LLC, BBVA Securities Inc., CIT Capital Securities LLC, Credit Agricole Securities (USA) Inc., DZ Financial Markets LLC, Goldman Sachs & Co. LLC, ICBC Standard Bank Plc, ING Financial Markets LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., Natixis Securities Americas LLC, Nomura Securities International, Inc., Raymond James & Associates, Inc., Santander Investment Securities Inc., Scotia Capital (USA) Inc., SMBC Nikko Securities America, Inc., Truist Securities, Inc., Academy Securities, Inc., Loop Capital Markets LLC, R. Seelaus & Co., LLC
Underwriting Spread	1.500%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Venture Global Calcasieu
Ticker/Sedol	92328MAE3
Principal Amount (US$)	$1,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$40,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	1/10/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	RBC Capital Markets, LLC
Other Syndicate Members:	BofA Securities, Inc., Mizuho Securities USA LLC, BBVA Securities Inc., CIT Capital Securities LLC, Credit Agricole Securities (USA) Inc., DZ Financial Markets LLC, Goldman Sachs & Co. LLC, ICBC Standard Bank Plc, ING Financial Markets LLC, J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., Natixis Securities Americas LLC, Nomura Securities International, Inc., Raymond James & Associates, Inc., Santander Investment Securities Inc., Scotia Capital (USA) Inc., SMBC Nikko Securities America, Inc., Truist Securities, Inc., Academy Securities, Inc., Loop Capital Markets LLC, R. Seelaus & Co., LLC
Underwriting Spread	1.500%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Bank of America Corp
Ticker/Sedol	06051GLE7
Principal Amount (US$)	$3,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$365,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	1/17/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities, Inc.
Other Syndicate Members:	Apto Partners, LLC, CastleOak Securities, L.P., Independence Point Securities LLC, Loop Capital Markets LLC, Multi-Bank Securities, Inc., Roberts & Ryan Investments, Inc., BMO Capital Markets Corp., BNY Mellon Capital Markets, LLC, Capital One Securities, Inc., CIBC World Markets Corp., Citizens Capital Markets, Inc., Commonwealth Bank of Australia, ING Financial Markets LLC, Intesa Sanpaolo S.p.A., Lloyds Securities Inc., M&T Securities, Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., Natixis Securities Americas LLC , Nomura Securities International, Inc., Nordea Bank Abp, PNC Capital Markets, Regions Securities LLC, Santander Investment Securities Inc., Scotia Capital (USA) Inc., SG Americas Securities, LLC, SMBC Nikko Securities America, Inc., Standard Chartered Bank, SVB Securities LLC, TD Securities (USA) LLC, Truist Securities, Inc.
Underwriting Spread	0.250%
Currency	USD

Fund	Short Duration Strategic Income ETF
Issuer	Bank of America Corp
Ticker/Sedol	06051GLE7
Principal Amount (US$)	$3,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$45,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	1/17/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities, Inc.
Other Syndicate Members:	Apto Partners, LLC, CastleOak Securities, L.P., Independence Point Securities LLC, Loop Capital Markets LLC, Multi-Bank Securities, Inc., Roberts & Ryan Investments, Inc., BMO Capital Markets Corp., BNY Mellon Capital Markets, LLC, Capital One Securities, Inc., CIBC World Markets Corp., Citizens Capital Markets, Inc., Commonwealth Bank of Australia, ING Financial Markets LLC, Intesa Sanpaolo S.p.A., Lloyds Securities Inc., M&T Securities, Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., Natixis Securities Americas LLC , Nomura Securities International, Inc., Nordea Bank Abp, PNC Capital Markets, Regions Securities LLC, Santander Investment Securities Inc., Scotia Capital (USA) Inc., SG Americas Securities, LLC, SMBC Nikko Securities America, Inc., Standard Chartered Bank, SVB Securities LLC, TD Securities (USA) LLC, Truist Securities, Inc.
Underwriting Spread	0.250%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Ellington Finance Mortgage Trust
Ticker/Sedol	26844QAB3
Principal Amount (US$)	$29,567,731
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$299,997.27
Amount Purchased (Foreign$)	N/A
Trade Date	2/02/2023
Price (US$)	$99.999
Price-Foreign	N/A
Underwriter	Barclays Capital Inc.
Other Syndicate Members:	Nomura Securities International, Inc., Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. LLC
Underwriting Spread	0.233%
Currency	USD

Fund	Short Duration Strategic Income ETF
Issuer	Mitsubishi UFJ Finance Group
Ticker/Sedol	606822CS1
Principal Amount (US$)	$1,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$200,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	2/15/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Morgan Stanley
Other Syndicate Members:	JP Morgan Securities LLC, MUFG Securities Americas Inc, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.350%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Mitsubishi UFJ Finance Group
Ticker/Sedol	606822CS1
Principal Amount (US$)	$1,000,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$537,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	2/15/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Morgan Stanley
Other Syndicate Members:	JP Morgan Securities LLC, MUFG Securities Americas Inc, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.350%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Mitsubishi UFJ Financial Group, Inc.
Ticker/Sedol	606822CV4
Principal Amount (US$)	$1,650,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$627,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	2/15/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc.
Other Syndicate Members:	JP Morgan Securities LLC, Morgan Stanley, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.200%,
Currency	USD

Fund	Short Duration Strategic Income ETF
Issuer	Mitsubishi UFJ Financial Group, Inc.
Ticker/Sedol	606822CV4
Principal Amount (US$)	$1,650,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$200,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	2/15/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc.
Other Syndicate Members:	JP Morgan Securities LLC, Morgan Stanley, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.200%,
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Mitsubishi UFJ Finance Group
Ticker/Sedol	606822CX0
Principal Amount (US$)	$1,250,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$200,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	2/15/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc.
Other Syndicate Members:	JP Morgan Securities LLC, Morgan Stanley, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.450%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Sumitomo Mitsui Trust Bank, Limited
Ticker/Sedol	86563VBG3
Principal Amount (US$)	$998.860,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$499,430.00
Amount Purchased (Foreign$)	N/A
Trade Date	3/01/2023
Price (US$)	$99.886
Price-Foreign	N/A
Underwriter	Goldman Sachs & Co. LLC
Other Syndicate Members:	J.P. Morgan Securities LLC, Citigroup Global Markets Inc., Daiwa Capital Markets America Inc., BNP Paribas Securities Corp., BofA Securities, Inc., Crédit Agricole Corporate and Investment Bank, Barclays Capital Inc., Nomura Securities International, Inc., DBS Bank Ltd., HSBC Securities (USA) Inc., SMBC Nikko Securities America, Inc., UBS Securities LLC, Deutsche Bank Securities Inc., Wells Fargo Securities, LLC
Underwriting Spread	0.250%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Mitsubishi UFJ Finance Group, Inc
Ticker/Sedol	606822DA9
Principal Amount (US$)	$500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$200,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	4/11/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc.
Other Syndicate Members:	JP Morgan Securities LLC, Morgan Stanley, Barclays Capital, BofA Securities, Citigroup Global Markets Inc, BNP Paribas/New York, Credit Agricole Corporate & Investment, HSBC Securities, Natixis Securities Americas LLC, Nomura Securities International, Societe Generale, TD Securities USA LLC, Wells Fargo Securities LLC
Underwriting Spread	0.200%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Mitsubishi UFJ Financial Group, Inc.
Ticker/Sedol	606822DA9
Principal Amount (US$)	$500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$200,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	4/11/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	MUFG Securities Americas Inc.
Other Syndicate Members:	Morgan Stanley & Co. LLC, BofA Securities, Inc., Barclays Capital Inc.,Citigroup Global Markets Inc., J.P. Morgan Securities LLC BNP Paribas, HSBC Securities (USA) Inc., TD Securities USA LLC Crédit Agricole Corporate and Investment Bank Natixis Securities Americas LLC, Société Générale Nomura Securities International, Inc.Bank of China Limited Industrial and Commercial Bank of China Limited, Singapore Branch, Wells Fargo Securities, LLC
Underwriting Spread	0.200%
Currency	USD

Fund	Diversified Corporate Bond ETF
Issuer	Bank of America Corporation
Ticker/Sedol	06051GLG2
Principal Amount (US$)	$3,500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$450,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	4/19/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	BofA Securities, Inc.
Other Syndicate Members:	Academy Securities, Inc., AmeriVet Securities, Inc. Blaylock Van, LLC, Cabrera Capital Markets, LLC C.L. King & Associates, Inc., Stern Brothers & Co. ANZ Securities, Inc., Bankinter S.A. Capital One Securities, Inc., CIBC World Markets Corp. Commonwealth Bank of Australia, HSBC Securities (USA) Inc. Huntington Securities, Inc., ING Financial Markets LLC Intesa Sanpaolo S.p.A., KeyBanc Capital Markets Inc. Lloyds Securities Inc., M&T Securities, Inc. Mizuho Securities USA LLC, nabSecurities, LLC Natixis Securities Americas LLC, Nomura Securities International, Inc., PNC Capital Markets LLC, Rabo Securities USA, Inc. Santander US Capital Markets LLC, Scotia Capital (USA) Inc. SMBC Nikko Securities America, Inc., Standard Chartered Bank TD Securities (USA) LLC, Truist Securities, Inc. Westpac Capital Markets LLC
Underwriting Spread	0.350%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Citigroup Inc.
Ticker/Sedol	17327CAR4
Principal Amount (US$)	$3,200,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$33,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	5/22/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Citigroup Global Markets Inc.
Other Syndicate Members:	Academy Securities, Inc., American Veterans Group, PBC AmeriVet Securities, Bancroft Capital, CAVU Securities Drexel Hamilton, Mischler Financial Group, Inc. Multi-Bank Securities, Inc., Roberts & Ryan Investments, Inc. Barclays Capital Inc., BBVA Securities Inc., BMO Capital Markets Corp., Capital One Securities, Inc., CIBC World Markets Corp. HSBC Securities (USA) Inc., ING Financial Markets LLC Intesa Sanpaolo S.p.A., Lloyds Securities Inc. MUFG Securities Americas Inc., Natixis Securities Americas LLC Nordea Bank AB, PNC Capital Markets LLC RBC Capital Markets, LLC, Santander US Capital Markets LLC Scotia Capital (USA) Inc., SG Americas Securities, LLC SMBC Nikko Securities America, Inc., Standard Chartered Bank TD Securities (USA) LLC, Truist Securities, Inc. U.S. Bancorp Investments, Inc., UBS Securities LLC ANZ Securities, Inc., Apto Partners, LLC, Banco de Sabadell, S.A. Bank of China Limited, London Branch BNY Mellon Capital Markets, LLC, C.L. King & Associates, Inc. Cabrera Capital Markets LLC, CastleOak Securities, L.P. China CITIC Bank International Limited, Citizens Capital Markets, Inc., Commerz Markets LLC, Commonwealth Bank of Australia Danske Markets Inc., DBS Bank Ltd., Desjardins Securities Inc. Deutsche Bank Securities Inc., DZ Financial Markets LLC Emirates NBD Bank PJSC, Erste Group Bank AG Fifth Third Securities, Inc., Great Pacific Securities Huntington Securities, Inc., ICBC Standard Bank Plc Independence Point Securities LLC, KeyBanc Capital Markets Inc. M&T Securities Inc., Mashreqbank psc Mediobanca – Banca di Credito Finanziario S.p.A. Melvin Securities LLC, Mizuho Securities USA LLC nabSecurities, LLC National Bank of Canada Financial Inc., NatWest Markets Securities Inc., Nomura Securities International, Inc. Oversea-Chinese Banking Corporation Limited Penserra Securities LLC, R. Seelaus & Co., LLC Rabo Securities USA, Inc., RB International Markets (USA) LLC Regions Securities LLC, Samuel A. Ramirez & Company San Blas Securities, LLC, Security Capital Brokerage, Inc. Stern Brothers & Co., Tigress Financial Partners LLC United Overseas Bank Limited, Westpac Capital Markets LLC
Underwriting Spread	0.450%
Currency	USD

Fund	American Century Multisector Income ETF
Issuer	Barclays PLC
Ticker/Sedol	06738ECH6
Principal Amount (US$)	$1,500,000,000
Principal Amount (Foreign$)	N/A
Amount Purchased (US$)	$242,000.00
Amount Purchased (Foreign$)	N/A
Trade Date	6/20/2023
Price (US$)	$100.00
Price-Foreign	N/A
Underwriter	Barclays Capital Inc
Other Syndicate Members:	BBVA Securities Inc., CIBC World Markets Corp., ING Financial Markets LLC, Intesa Sanpaolo S.p.A., Lloyds Securities Inc. Natixis Securities Americas LLC, Nomura Securities International, Inc., Nordea Bank Abp, RBC Capital Markets, LLC RB International Markets (USA) LLC, Santander US Capital Markets LLC, SMBC Nikko Securities America, Inc. TD Securities (USA) LLC, Bancroft Capital, LLC, Bankinter SA Capital One Securities, Inc., CastleOak Securities, L.P. Citizens Capital Markets, Inc., C.L. King & Associates, Inc. DBS Bank Ltd., DZ Financial Markets LLC, Falcon Square Capital LLC, Multi-Bank Securities, Inc., nabSecurities, LLC PNC Capital Markets LLC, Rabo Securities USA, Inc. SG Americas Securities, LLC, Truist Securities, Inc. U.S. Bancorp Investments, Inc.
Underwriting Spread	0.450%
Currency	USD