UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant x                            Filed by a Party other than the Registrant ¨

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¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to Section 240.14a-12

iShares, Inc.

iShares Trust

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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¨ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

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Dear iShares Shareholder,

Barclays Global Fund Advisors, the adviser to the iShares® Funds, is being acquired by BlackRock, Inc. By now, you should have received a proxy package in the mail regarding two special shareholder meetings related to the transaction.

Our records show you have not yet voted on the proposals presented for shareholder approval.

The Board of Directors of iShares, Inc. and the Board of Trustees of iShares Trust has unanimously approved the proposals and recommend that shareholders vote in favor of each proposal. It is important that every shareholder participates in the governance of their iShares Fund to ensure that their iShares Fund receives enough votes to act on the proposals.

We’ve provided four easy ways to cast your vote:

FASTEST OPTION—Talk to a Live Agent

1-866-450-8471

Call Monday through Friday 9:30 AM to 12:00 Midnight (ET), Saturday from 10:00 AM to 9:00 PM (ET). Estimated call time is less than three minutes, no matter how many different iShares Funds you own.

Vote by Telephone

For touch-tone voting, please refer to your proxy cards for a toll-free number and recorded instructions.

Vote by Mail

Complete and sign the proxy cards, then return them in enclosed over-night envelope.

Vote Online

Go to www.proxyvote.com and enter the control number that appears on each of your proxy cards. The site will give you all further instructions.

Thank you in advance for your participation in this important vote.

ISHA-RL-004