497 1 d702525d497.htm FORM 497 XBRL FOR ISHARES TRUST Form 497 XBRL for iShares Trust

400 Howard Street

P.O.Box 7101

San Francisco, CA 94105

Tel +1 415 670 7987

Fax +1 415 618 5462


April 15, 2014

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549


RE: iShares Trust (the “Registrant”)

Securities Act File No. 333-92935

Investment Company Act File No. 811-09729

Ladies and Gentlemen:

On behalf of the Registrant and pursuant to Rule 497 under the Securities Act of 1933, as amended, attached for filing are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the 497 filing, dated April 2, 2014 to the prospectus for iShares Nasdaq Biotechnology ETF. The purpose of this filing is to submit the 497 dated April 2, 2014 in XBRL.

If you have any questions regarding this filing, please contact Benjamin Haskin of Willkie Farr & Gallagher LLP at (202) 303-1124 or me at (415) 670-7987.

Very truly yours,


/s/ Edward Baer

Edward Baer
cc: Benjamin Haskin, Esq.