<SEC-DOCUMENT>0001193125-23-166108.txt : 20230613
<SEC-HEADER>0001193125-23-166108.hdr.sgml : 20230613
<ACCEPTANCE-DATETIME>20230613171414
ACCESSION NUMBER:		0001193125-23-166108
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230613
DATE AS OF CHANGE:		20230613

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Utilities, Infrastructure & Power Opportunities Trust
		CENTRAL INDEX KEY:			0001528988
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-262272
		FILM NUMBER:		231012144

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700
		BUSINESS PHONE:		(800) 882-0052

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809-3700

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Utility & Infrastructure Trust
		DATE OF NAME CHANGE:	20110830
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d499800d424b3.htm
<DESCRIPTION>BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST
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<TITLE>BLACKROCK UTILITIES, INFRASTRUCTURE &amp;amp; POWER OPPORTUNITIES TRUST</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Filed Pursuant to Rule 424(b)(3)<BR>Registration File No.: 333-262272 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK UTILITIES, INFRASTRUCTURE&nbsp;&amp; POWER OPPORTUNITIES TRUST </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Supplement dated June&nbsp;13, 2023 to the </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Statement of Additional Information (&#147;SAI&#148;), dated March&nbsp;4, 2022, </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>as supplemented on July&nbsp;18, 2022 and January&nbsp;3, 2023 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This supplement amends certain information in the SAI, dated March&nbsp;4, 2022, as supplemented on July&nbsp;18, 2022 and January&nbsp;3, 2023, of BlackRock
Utilities, Infrastructure&nbsp;&amp; Power Opportunities Trust (the &#147;Trust&#148;). Unless otherwise indicated, all information included in the SAI that is not inconsistent with the information set forth in this supplement remains unchanged.
Capitalized terms not otherwise defined in this supplement have the same meanings as in the SAI. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>The following changes are made to the Trust&#146;s
SAI: </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>The section of the SAI entitled &#147;Management of the Trust &#151; Portfolio Management&#148; is deleted in its entirety and replaced with
the following: </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Portfolio Management </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Portfolio Manager Assets Under Management </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following
table sets forth information about funds and accounts other than the Trust for which the portfolio managers are primarily responsible for
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">the&nbsp;day-to-day&nbsp;portfolio</FONT></FONT> management as of December&nbsp;31, 2021:<B> </B> </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="5" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>(ii) Number of Other Accounts Managed<BR>and Assets by Account Type</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="5" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>(iii) Number of Other Accounts<BR>and Assets for Which Advisory Fee<BR>is Performance-Based</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>(i) Name of Portfolio<BR>Manager</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Registered<BR>Investment<BR>Companies</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Pooled<BR>Investment<BR>Vehicles</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Accounts</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Registered<BR>Investment<BR>Companies</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Pooled<BR>Investment<BR>Vehicles</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Other<BR>Accounts</B></TD></TR>


<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Kyle G. McClements, CFA</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">12<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$18.61&nbsp;Billion</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">7<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$1.36&nbsp;Billion</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Christopher M. Accettella</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">12<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$18.61&nbsp;Billion</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">4<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$742.2&nbsp;Million</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">132<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD></TR>
<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Alastair Bishop</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">7<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$4.02&nbsp;Billion</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">14<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$13.69&nbsp;Billion</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">3<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$30.32&nbsp;Million</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">1<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$4.3&nbsp;Million</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Lindsay Sinclair, CFA*</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">0<BR> <P STYLE="margin-bottom:1pt; margin-top:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">$0</P></TD></TR>
</TABLE> <P STYLE="font-size:2pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">*</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman; " ALIGN="left">Information provided as of April&nbsp;30, 2023. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Portfolio Manager Compensation Overview </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The discussion
below describes the portfolio managers&#146; compensation as of December&nbsp;31, 2021. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Advisor&#146;s financial arrangements with its portfolio
managers, its competitive compensation and its career path emphasis at all levels reflect the value senior management places on key resources. Compensation may include a variety of components and may vary from year to year based on a number of
factors. The principal components of compensation include a base salary, a performance-based discretionary bonus, participation in various benefits programs and one or more of the incentive compensation programs established by the Advisor.<B> </B>
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Base Compensation. </B>Generally, portfolio managers receive base compensation based on their position with the firm. </P>

<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Discretionary Incentive Compensation &#151; Messrs. McClements and Accettella </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Discretionary incentive compensation is a function of several components: the performance of BlackRock, Inc., the performance of the portfolio manager&#146;s
group within the Advisor, the investment performance, including risk-adjusted returns, of the firm&#146;s assets or strategies under management or supervision by that portfolio manager, and/or the individual&#146;s performance and contribution to
the overall performance of these portfolios and the Advisor. Among other things, the Advisor&#146;s Chief Investment Officers make a subjective determination with respect to each portfolio manager&#146;s compensation based on the performance of the
funds, other accounts or strategies managed by each portfolio manager. Performance is generally measured on <FONT STYLE="white-space:nowrap">a&nbsp;pre-tax&nbsp;basis</FONT> over various time periods <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">including&nbsp;1-,&nbsp;3-&nbsp;and</FONT></FONT> <FONT STYLE="white-space:nowrap">5-&nbsp;year</FONT> periods, as applicable. The performance of some funds, other accounts or strategies may not be measured against a
specific benchmark. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Discretionary Incentive Compensation &#151; Mr.&nbsp;Bishop and Ms.&nbsp;Sinclair </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Generally, discretionary incentive compensation for Active Equity portfolio managers is based on a formulaic compensation program. The Advisor&#146;s
formulaic portfolio manager compensation program is based on team revenue <FONT STYLE="white-space:nowrap">and&nbsp;pre-tax&nbsp;investment</FONT> performance relative to appropriate competitors or benchmarks <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">over&nbsp;1-,&nbsp;3-&nbsp;and</FONT></FONT> <FONT STYLE="white-space:nowrap">5-year&nbsp;performance</FONT> periods, as applicable. In most cases, these benchmarks are the same as the benchmark or benchmarks against which
the performance of the funds or other accounts managed by the portfolio managers are measured. The Advisor&#146;s Chief Investment Officers determine the benchmarks or rankings against which the performance of funds and other accounts managed by
each portfolio management team is compared and the period of time over which performance is evaluated. With respect to this portfolio manager, such benchmarks for the&nbsp;Trust and other accounts are: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD WIDTH="65%"></TD></TR>
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<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Portfolio Manager</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Benchmark</B></TD></TR>


<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Alastair Bishop</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Bloomberg Commodity Index Total Return;&nbsp;FTSE Gold Mines Index (Gross Total Return); FTSE Gold Mining Index &#151; expressed in JPY; FTSE Gold Mining Index &#151; GBP Price; LIBOR 3 Month
Index; MSCI 10/40 DW Energy (Net); MSCI ACWI Metals&nbsp;&amp; Mining 30% Buffer 10/40 (1994) GBP Net TR; MSCI ACWI Metals&nbsp;&amp; Mining 30% Buffer 10/40 (1994) USD Net TR; MSCI World Energy Net Daily TR Index; NYSE Arca Gold Miners Index EUR
Net Total Return; S&amp;P Global Natural Resources Index; S&amp;P Global Natural Resources Index &#151; In GBP; S&amp;P Global Natural Resources Net Return.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Lindsay Sinclair</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">MSCI World Select Energy, Utilities and Industrials Call Overwrite Index.</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A smaller element of portfolio manager discretionary compensation may include consideration of: financial results, expense
control, profit margins, strategic planning and implementation, quality of client service, market share, corporate reputation, capital allocation, compliance and risk control, leadership, technology and innovation. These factors are considered
collectively by BlackRock management and the relevant Chief Investment Officers. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Distribution of Discretionary Incentive
Compensation</B>.<B></B>&nbsp;Discretionary incentive compensation is distributed to portfolio managers in a combination of cash, deferred BlackRock stock awards, and/or deferred cash awards that notionally track the return of certain Advisor
investment products. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Portfolio managers receive their annual discretionary incentive compensation in the form of cash. Portfolio managers whose total
compensation is above a specified threshold also receive deferred BlackRock stock awards annually as part of their discretionary incentive compensation. Paying a portion of discretionary incentive compensation in the form of deferred BlackRock stock
puts compensation earned by a portfolio manager for a given year &#147;at risk&#148; based on the Advisor&#146;s ability to sustain and improve its performance over future periods. In some cases, additional deferred BlackRock stock may be granted to
certain key employees as part of a long-term incentive award to aid in retention, align interests with long-term shareholders and motivate performance. Deferred BlackRock stock awards are generally granted in the form of BlackRock restricted stock
units that vest </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">-&nbsp;2&nbsp;- </P>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
pursuant to the terms of the applicable plan and, once vested, settle in BlackRock common stock. The portfolio managers of this Trust have deferred BlackRock stock awards. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For certain portfolio managers, a portion of the discretionary incentive compensation is also distributed in the form of deferred cash awards that notionally
track the returns of select Advisor investment products they manage, which provides direct alignment of portfolio manager discretionary incentive compensation with investment product results. Deferred cash awards vest ratably over a number of years
and, once vested, settle in the form of cash. Only portfolio managers who manage specified products and whose total compensation is above a specified threshold are eligible to participate in the deferred cash award program. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Other Compensation Benefits.</B>&nbsp;In addition to base salary and discretionary incentive compensation, portfolio managers may be eligible to receive or
participate in one or more of the following: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Incentive Savings Plans&#151;</I>BlackRock has created a variety of incentive savings plans in which
BlackRock employees are eligible to participate, including a 401(k)&nbsp;plan, the BlackRock Retirement Savings Plan (RSP), and the BlackRock Employee Stock Purchase Plan (ESPP). The employer contribution components of the RSP include a company
match equal to 50% of the first 8% of eligible pay contributed to the plan capped at $5,000 per year, and a company retirement contribution <FONT STYLE="white-space:nowrap">equal&nbsp;to&nbsp;3-5%&nbsp;of&nbsp;eligible</FONT> compensation up to the
Internal Revenue Service limit ($290,000 for 2021). The RSP offers a range of investment options, including registered investment companies and collective investment funds managed by the firm. BlackRock contributions follow the investment direction
set by participants for their own contributions or, absent participant investment direction, are invested into a target date fund that corresponds to, or is closest to, the year in which the participant attains age 65.&nbsp;The ESPP allows for
investment in BlackRock common stock at a 5% discount on the fair market value of the stock on the purchase date.&nbsp;Annual participation in the ESPP is limited to the purchase of 1,000 shares of common stock or a dollar value of $25,000 based on
its fair market value on the purchase date.&nbsp;Messrs. McClements and Accettella are eligible to participate in these plans. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">United Kingdom-based
portfolio managers are also eligible to participate in broad-based plans offered generally to the Advisor&#146;s employees, including broad-based retirement, health and other employee benefit plans. For example, the Advisor has created a variety of
incentive savings plans in which employees are eligible to participate, including the BlackRock Retirement Savings Plan (RSP) and the BlackRock Employee Stock Purchase Plan (ESPP). The employer contribution to the RSP is between 10% and 15% of
eligible pay capped at &pound;160,000 per annum. The RSP offers a range of investment options, including several collective investment funds managed by the firm. Advisor contributions follow the investment direction set by participants for their own
contributions or, in the absence of an investment election being made, are invested into a target date fund that corresponds to, or is closest to, the year in which the participant attains age 65. The ESPP allows for investment in BlackRock common
stock at a 5% discount on the fair market value of the stock on the purchase date. Annual participation in the ESPP is limited to the purchase of 1,000 shares of common stock or a US dollar value of $25,000 based on its fair market value on the
purchase date. Mr.&nbsp;Bishop and Ms.&nbsp;Sinclair are eligible to participate in these plans. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Securities Ownership of Portfolio Managers </I></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">As of December&nbsp;31, 2021, the end of the Trust&#146;s most recently completed fiscal year end, the dollar range of securities beneficially owned by each
portfolio manager in the Trust is shown below: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="64%"></TD>

<TD VALIGN="bottom" WIDTH="20%"></TD>
<TD style="width:141pt"></TD>
<TD></TD>
<TD></TD>
<TD style="width:141pt"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Portfolio Manager</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="4" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Dollar&nbsp;Range&nbsp;of&nbsp;Equity&nbsp;Securities&nbsp;of<BR>the Trust Beneficially Owned</B></TD></TR>


<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Kyle G. McClements, CFA</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" COLSPAN="4" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="white-space:nowrap">$100,001-$500,000</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Christopher M. Accettella</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" COLSPAN="4" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="white-space:nowrap">$10,001-$50,000</FONT></TD></TR>
<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Alastair Bishop</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" COLSPAN="4" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="white-space:nowrap">$50,001-$100,000</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Lindsay Sinclair, CFA*</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" COLSPAN="4" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">None</TD></TR>
</TABLE> <P STYLE="font-size:2pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">*</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman; " ALIGN="left">Information provided as of April&nbsp;30, 2023. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">-&nbsp;3&nbsp;- </P>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Potential Material Conflicts of Interest </I></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Advisor has built a professional working environment, firm-wide compliance culture and compliance procedures and systems designed to protect against
potential incentives that may favor one account over another. The Advisor has adopted policies and procedures that address the allocation of investment opportunities, execution of portfolio transactions, personal trading by employees and other
potential conflicts of interest that are designed to ensure that all client accounts are treated equitably over time. Nevertheless, the Advisor furnishes investment management and advisory services to numerous clients in addition to the Trust, and
the Advisor may, consistent with applicable law, make investment recommendations to other clients or accounts (including accounts which are hedge funds or have performance or higher fees paid to the Advisor, or in which portfolio managers have a
personal interest in the receipt of such fees), which may be the same as or different from those made to the Trust. In addition, BlackRock, its affiliates and significant shareholders and any officer, director, shareholder or employee may or may not
have an interest in the securities whose purchase and sale the Advisor recommends to the Trust. BlackRock or any of its affiliates or significant shareholders, or any officer, director, shareholder, employee or any member of their families may take
different actions than those recommended to the Trust by the Advisor with respect to the same securities. Moreover, the Advisor may refrain from rendering any advice or services concerning securities of companies of which any of BlackRock&#146;s (or
its affiliates&#146; or significant shareholders&#146;) officers, directors or employees are directors or officers, or companies as to which BlackRock or any of its affiliates or significant shareholders or the officers, directors and employees of
any of them has any substantial economic interest or possesses <FONT STYLE="white-space:nowrap">material&nbsp;non-public&nbsp;information.</FONT> Certain portfolio managers also may manage accounts whose investment strategies may at times be opposed
to the strategy utilized for a fund. It should also be noted that Mr.&nbsp;Bishop may be managing hedge fund and/or long only accounts, or may be part of a team managing hedge fund and/or long only accounts, subject to incentive fees.
Mr.&nbsp;Bishop may therefore be entitled to receive a portion of any incentive fees earned on such accounts. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As a fiduciary, the Advisor
owes a duty of loyalty to its clients and must treat each client fairly. When the Advisor purchases or sells securities for more than one account, the trades must be allocated in a manner consistent with its fiduciary duties. The Advisor attempts to
allocate investments in a fair and equitable manner among client accounts, with no account receiving preferential treatment. To this end, BlackRock has adopted policies that are intended to ensure reasonable efficiency in client transactions and
provide the Advisor with sufficient flexibility to allocate investments in a manner that is consistent with the particular investment discipline and client base, as appropriate. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Shareholders should retain this Supplement for future reference. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">SAI-BUI-0623SUP</FONT></FONT> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">-&nbsp;4&nbsp;- </P>

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