Growth of $10K Avg Annual Total Return %   10 YR 5 YR 1 YR YTD Market Return -1.45% 0.67% 53.08% 46.08% Lipper Pct. Rank 72 73 73 55 NAV Return -2.36% -0.89% 37.13% 30.47% Lipper Pct. Rank 72 64 73 37 Premium/Discount History Premium/Discount 10 YR Avg 5 YR Avg YTD Avg -7.650% -8.698% -10.030%

NAV $10.45 Market Price $10.15 Net Change $0.02 Market Change -$0.04 Premium/Discount -2.87% 1 YR NAV Return 37.127% 1 YR NAV Rank 73 12-Mo Yield as of 4/30/2021 Yield Def Income Only Yield 3.77% Distribution Yield (Market) 5.38% Most Recent Income Dividend $0.038 Ex-Div Date 5/13/2021 Most Recent Cap Gain Dividend $0.055 Ex-Div Date 12/14/2018 Dividend Frequency Monthly YTD Dividends $0.150 YTD Capital Gains -- Inception Date 12/23/2004 Fund Advisor BlackRock Inc Manager & Tenure Team Managed Phone 800-882-0052 Website www1.blackrock.com Total Net Assets (mil) as of 5/31/2021 $289.6 % Leveraged Assets as of 12/31/2020 -- Portfolio Turnover 62.00% Mgmt Fees 0.977% Expense Ratio 1.150% Fund Objective The Fund seeks to provide total return through a combination of current income and capital appreciation. The Fund seeks to invest 80% of its total net assets in equity securities of energy and natural resources companies and equity derivatives with exposure to the energy and natural resources industry.

Top Holdings (as of 1/31/2021) Chevron Corp ORD 14.29% Royal Dutch Shell PLC DR 12.09% Total SE ORD 10.38% Exxon Mobil Corp ORD 6.67% ConocoPhillips ORD 5.82% BP PLC ORD 4.65% TC Energy Corp ORD 4.19% Suncor Energy Inc ORD 3.66% Pioneer Natural Resources Co ORD 3.31% Williams Companies Inc ORD 3.18%

Top Sectors (as of 1/31/2021) Oil & Gas 98.64% Consumer Goods 1.32%

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