BlackRock, Inc. (NYSE: BLK) today announced that four of its iShares Exchange Traded Funds (ETFs) have obtained new CUSIP numbers for operational reasons. Effective June 10, 2013, the following ETFs will begin trading with new CUSIP codes:

NYSEArca Ticker IBCB - Old CUSIP: 46432F 792 ; New CUSIP: 46432F AD9

NYSEArca Ticker IBCC - Old CUSIP: 46432F 768 ; New CUSIP: 46432F AG2

NYSEArca Ticker IBCD - Old CUSIP: 46432F 735 ; New CUSIP: 46432F AK3

NYSEArca Ticker IBCE - Old CUSIP: 46432F 693 ; New CUSIP: 46432F AN7

About BlackRock

BlackRock is a leader in investment management, risk management and advisory services for institutional and retail clients worldwide. At March 31, 2013, BlackRock's AUM was $3.936 trillion. BlackRock helps clients meet their goals and overcome challenges with a range of products that include separate accounts, mutual funds, iShares® (exchange-traded funds), and other pooled investment vehicles. BlackRock also offers risk management, advisory and enterprise investment system services to a broad base of institutional investors through BlackRock Solutions®. Headquartered in New York City, as of March 31, 2013, the firm has approximately 10,600 employees in 30 countries and a major presence in key global markets, including North and South America, Europe, Asia, Australia and the Middle East and Africa. For additional information, please visit the Company's website at www.blackrock.com.

About iShares

iShares is a global product leader in exchange traded funds with over 600 funds globally across equities, fixed income and commodities, which trade on 20 exchanges worldwide. The iShares Funds are bought and sold like common stocks on securities exchanges. The iShares Funds are attractive to many individual and institutional investors and financial intermediaries because of their relative low cost, tax efficiency and trading flexibility. Investors can purchase and sell shares through any brokerage firm, financial advisor, or online broker, and hold the funds in any type of brokerage account. The iShares customer base consists of the institutional segment of pension plans and fund managers, as well as the retail segment of financial advisors and high net worth individuals.

Carefully consider the iShares Funds' investment objectives, risk factors, and charges and expenses before investing. This and other information can be found in the Funds' prospectuses, which may be obtained by calling 1-800-iShares (1-800-474-2737) or by visiting www.iShares.com. Read the prospectus carefully before investing.

Investing involves risk, including possible loss of principal. Transactions in shares of the iShares Funds will result in brokerage commissions and will generate tax consequences. iShares Funds are obliged to distribute portfolio gains to shareholders. Shares of the iShares Funds may be sold throughout the day on the exchange through any brokerage account. However, shares may only be redeemed directly from a Fund by Authorized Participants, in very large creation/redemption units.

The iShares Funds are distributed by BlackRock Investments, LLC (together with its affiliates, "BlackRock").

© 2013 BlackRock. All rights reserved. iSHARES and BLACKROCK are registered and unregistered trademarks of BlackRock. All other marks are those of their respective owners. iS-9995-0513

BlackRock, Inc.
Christine Hudacko, 415-670-2687
Christine.Hudacko@blackrock.com