the areas of human rights, labor, environment,
and anti-corruption. Notwithstanding the foregoing, the Fund may invest in green bonds of issuers that exceed the thresholds stated in (iv) and (v) above. The Fund relies on one
or more third-party ratings agencies to identify issuers for purposes of the above screening criteria. Third-party rating agencies may base the above screening criteria on an estimate when revenue for a covered business activity is not disclosed by the
issuer or publicly available.
The Fund’s screening criteria is measured at the time of investment and is dependent upon information and data that
may be incomplete, inaccurate, unavailable or estimated. Where the Fund’s criteria looks solely to third-party ratings or data, issuers are only screened to the extent such ratings or data have been assigned or made available by the third
parties. This screening criteria is subject to change over time at BlackRock’s discretion. In addition, the Fund may gain indirect exposure (through, including but not limited to, derivatives and investments in other investment companies) to
issuers with exposures that are inconsistent with the ESG-related criteria used by Fund management.
Fund management selects and weights securities based on an issuer’s ability to
manage the ESG risks to which its business is exposed, as determined by BlackRock. Fund management makes such determinations based on BlackRock’s ESG research, which includes due diligence of the ESG risks and opportunities facing an issuer, as well
as third-party ESG ratings. BlackRock researches and develops investment insights related to economic transition, which include target carbon transition readiness and climate opportunities.
While Fund management considers ESG characteristics as well as climate risk exposure and climate opportunities, only one or two of these categories may be considered with respect to a particular investment or sector, and categories
may be weighted differently according to the type of investment being considered.
Principal Risks of Investing in the Fund
Risk is inherent in all investing. The value of your investment in the Fund, as well as
the amount of return you receive on your investment, may fluctuate significantly from day to day and over time. You may lose part or all of your investment in the Fund or your investment may not perform as well as other similar investments. The following is a
summary description of principal risks of investing in the Fund. The relative significance of each risk factor below may change over time and you should review each risk factor carefully.
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Equity Securities Risk — Stock markets are volatile. The price of equity securities fluctuates based on changes in a company’s
financial condition and overall market and economic conditions.
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Debt Securities Risk — Debt securities, such as bonds, involve risks, such as credit risk, interest rate risk, extension risk, and
prepayment risk, each of which are described in further detail below:
Credit Risk — Credit risk refers to the possibility that the
issuer of a debt security (i.e., the borrower) will not be able to make payments of interest and principal when due. Changes in an issuer’s credit rating or the
market’s perception of an issuer’s creditworthiness may also affect the value of the Fund’s investment in that issuer. The degree of credit risk depends on both the financial condition of the issuer and the terms of the obligation.
Interest Rate Risk — The market value of bonds and other fixed-income securities changes in response to interest rate changes and
other factors. Interest rate risk is the risk that prices of bonds and other fixed-income securities will increase as interest rates fall and decrease as interest rates
rise.
The Fund may be subject to a greater risk of rising interest rates during a period of historically low interest rates. For
example, if interest rates increase by 1%, assuming a current portfolio duration of ten years, and all other factors being equal, the value of the Fund’s investments would be expected to decrease by 10%. (Duration is a measure of
the price sensitivity of a debt security or portfolio of debt securities to relative changes in interest rates.) The magnitude of these fluctuations in the market price of bonds and other fixed-income securities is generally greater for
those securities with longer maturities. Fluctuations in the market price of the Fund’s investments will not affect interest income derived from instruments already owned
by the Fund, but will be reflected in the Fund’s net asset value. The Fund may lose money if short-term or long-term interest rates rise sharply in a manner not anticipated
by Fund management.
To the extent the Fund invests in debt securities that may be prepaid
at the option of the obligor (such as mortgage-backed securities), the sensitivity of such securities to changes in interest rates may increase (to the detriment of the Fund) when interest rates rise. Moreover, because rates on certain floating rate debt securities typically reset
only periodically, changes in prevailing interest rates (and particularly sudden and significant changes) can be expected to cause some fluctuations in the net asset value of the Fund to the extent that it invests in floating rate
debt securities.
These basic principles of bond prices also apply to U.S. Government
securities. A security backed by the “full faith and credit” of the U.S. Government is guaranteed only as to its stated interest rate and face value at maturity, not