BlackRock Duration Income Trust : Taxable Fixed Income Earnings Summary

		Latest Declared Divid onth Average Earned		% Leveraged
				Data as of
Closed-End Taxable Fixed Income Funds				August 31, 2022
		Latest	3 Month	Distribution	3 Month
		Declared	Avg. Earned	Coverage	Avg. UNII	Leverage
Fund Name	Ticker	Distribution1	Rate2	Ratio3	Balance4	(%)5
		Floating Rate
Floating Rate Income Strategies Fund, Inc.6	FRA	0.066700	0.0693842	104.0%	(0.05177)	28.5%
Floating Rate Income Trust6	BGT	0.064700	0.0676319	104.5%	(0.04607)	28.7%
		High Yield
Debt Strategies Fund, Inc.6	DSU	0.060500	0.0594352	98.2%	(0.03945)	28.8%
Corporate High Yield Fund, Inc.6	HYT	0.077900	0.0551605	70.8%	(0.10563)	26.0%
		Multi-Sector
Limited Duration Income Trust6	BLW	0.098100	0.0743828	75.8%	(0.09800)	34.5%
Core Bond Trust6	BHK	0.074600	0.0524482	70.3%	(0.09442)	41.2%
Multi-Sector Income Trust6	BIT	0.123700	0.0841697	68.0%	(0.34796)	34.1%
BlackRock Credit Allocation Income Trust6	BTZ	0.083900	0.0657281	78.3%	(0.09553)	30.9%
		High Quality
Enhanced Government Fund, Inc.6	EGF	0.041000	0.0238065	58.1%	(0.10454)	29.4%
Income Trust Inc.7	BKT	0.029400	0.0190809	64.9%	(0.10667)	28.5%
		Taxable Municipal
Taxable Municipal Bond Trust	BBN	0.122900	0.0923776	75.2%	(0.10845)	33.9%

1. Latest Declared Distribution is the regular monthly cash distribution. Not reflected in 3-month average UNII ending balances.
2. Represents estimated Average Earned Income per share over the past three months, as of 8/31/2022
3. Distribution Coverage Ratio is calculated dividing the 3 Month Avg. Earned by the Latest Declared Distribution as of 8/31/2022
4. Represents an Estimate of Average Undistributed Net Investment Income balance over the past three months, as of 8/31/2022
5. Represents % of Total Assets represented by bank borrowings or reverse repurchase agreements outstanding, as of 8/31/2022
6. FRA, BGT, DSU, HYT, BLW, BHK, BIT, BTZ, and EGF (the "Funds") have adopted a level distribution plan (the "Plan") and employ a managed distribution

to support a level distribution of income, capital gains and/or return of capital. The fixed amount distributed per share is subject to change at the

discretion of the Fund's Board of Directors. Shareholders should not draw any conclusions about the Fund's investment performance from the amount of the Fund's current distributions or from the terms of the Plan.

The Funds may estimate that they have distributed more than their income and net realized capital gains in the current fiscal year; therefore, a portion of the distribution may be a return of capital. A return of capital may occur, for example, when some or all of a shareholder's investment is paid back to the shareholder. A return of capital

distribution does not necessarily reflect the Fund's investment performance and should not be confused with 'yield' or 'income'. When distributions exceed total return performance, the difference will reduce the Fund's net asset value per share.

Although the character of income will not be determined until the end of the fund's fiscal year, below are Fund's that have a portion of their distribution classified as return of capital fiscal year to date: EGF's distribution fiscal year to date is comprised of 32% return of capital as of 8/31/2022

BIT's distribution fiscal year to date is comprised of 35% return of capital as of 8/31/2022

FRA's distribution fiscal year to date is comprised of 3% return of capital as of 8/31/2022

BGT's distribution fiscal year to date is comprised of 3% return of capital as of 8/31/2022

DSU's distribution fiscal year to date is comprised of 4% return of capital as of 8/31/2022

HYT's distribution fiscal year to date is comprised of 18% return of capital as of 8/31/2022

BTZ's distribution fiscal year to date is comprised of 10% return of capital as of 8/31/2022

BLW's distribution fiscal year to date is comprised of 10% return of capital as of 8/31/2022

Section 19(b) of the 1940 Act. The Fund expects that distributions under the Plan will exceed current income and capital gains and therefore will likely include a return of capital. BKT may

7BlackRock Income Trust, Inc. (NYSE:BKT) and BlackRock Income Trust, Inc. (NYSE:BBN) have adopted a Plan whereby the Funds will make fixed monthly distributions to common stockholders and will distribute all available investment income to its stockholders, consistent with their investment objective and as required by the Code. If sufficient investment income is not available on a monthly basis, the

Funds will distribute long-term capital gains and/or return capital to its stockholders in order to maintain a level distribution. The Fund is currently not relying on any exemptive relief from

Section 19(b) of the 1940 Act. The Funds expects that distributions under the Plan will exceed current income and capital gains and therefore will likely include a return of capital. The Funds may make additional distributions from time to time, including additional capital gain distributions at the end of the taxable year, if required to meet requirements imposed by the Code and/or the 1940 Act. No conclusions should be drawn about the Fund's investment performance from the amount of the Fund's distributions or from the terms of the Fund's Plan.

BKT and BBN estimates that they have distributed more than its income and net realized capital gains in the current fiscal year; therefore, a portion of the distribution may be a return of capital. A return of capital may occur, for example, when some or all of a shareholder's investment is paid back to the shareholder. A return of capital distribution does not necessarily reflect BKT and BBN's investment performance and should not be confused with 'yield' or 'income'. When distributions exceed total

return performance, the difference will reduce BKT or BBN's net asset value per share.

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Although the character of income will not be determined until the end of the fund's fiscal year, BKT currently estimates that its distribution fiscal year to date is comprised of 99% net investment income and 40% return of capital.

Although the character of income will not be determined until the end of the fund's fiscal year, BBN currently estimates that its distribution fiscal year to date is comprised of 100% net investment income and 10% return of capital.

BKT and BBN will send its shareholders a Form 1099-DIV for the calendar year that will illustrate how its distributions should be reported for federal income incomet tax purposes.

Click here to access the BlackRock Closed-End Fund Section 19 notices.

Distributions and yields may be affected by: 1) changes in the portfolio as when bonds paying higher interest rates are called or mature and are replaced by bonds paying lower current interest rates and 2) in the case of leveraged funds, by changes in the variable rate paid by the fund for leverage. Current year distributions are not classified as "Income", "Short-Term Capital Gains", "Long Term Capital Gains", or "Return of Capital" until calendar year-end.

Investment return, price, yields and NAV will fluctuate with changes in market conditions. At the time of sale, your shares may have a market price that is above or below net asset value, and may be worth more or less than your original investment. Closed-end funds often trade at a discount to NAV but may trade at a premium. There is no assurance that a fund will meet its investment objective. The information contained herein represents past performance and is no guarantee of future. results; current performance may be lower or higher than indicated here. Please visit www.blackrock.com for the most up to date information about the funds.

All investors should consider the investment objectives, risks, charges and expenses of the funds carefully before investing. The prospectus for each fund currently offering its securities contains this and other important information about the applicable fund currently offering its securities. Investors can obtain a prospectus for any fund currently offering its securities by calling 800-882-0052. All investors are urged to carefully read the prospectus of any such fund in its entirety before investing. There is no assurance any fund will achieve its objectives. The information contained herein is not complete and may be changed. This document is not an offer to sell a fund's securities and is not soliciting an offer to buy a fund's securities in any jurisdiction where the offer or sale is not permitted.

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