PAO Powershares Riverfront Tactical Balanced Growth Portfolio

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR 12(g) OF THE

SECURITIES EXCHANGE ACT OF 1934

PowerShares Exchange-Traded Fund Trust

(Exact Name of Registrant as Specified in Its Charter)

Securities to be registered pursuant to Section 12(b) of the Act:

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), please check the following box.  x

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), please check the following box.  o

Securities Act registration statement file number to which this form relates:  333-102228; 811-21265.

Securities to be registered pursuant to Section 12(g) of the Act:

NONE

Item 1.  Description of Registrant’s Securities to be Registered.

A description of the shares of beneficial interest, $0.01 par value, of the PowerShares NASDAQ -100 BuyWrite Portfolio, a series of the PowerShares Exchange-Traded Fund Trust (the “Trust”), to be registered hereunder is set forth in Amendment No. 183 to the Trust’s Registration Statement on Form N-1A (Commission File Nos. 333-102228; 811-21265) filed on May 23, 2008, which description is incorporated herein by reference as filed with the Securities and Exchange Commission.

The Trust’s investment portfolio to which this filing relates and its I.R.S. Employer Identification Numbers is as follows:

PowerShares NASDAQ -100 BuyWrite Portfolio                           32-0220536

Item 2.         Exhibits

1.              The Trust’s Amended and Restated Declaration of Trust is included as Exhibit (a)(1) to Pre-Effective Amendment No. 2 to the Trust’s Registration Statement on Form N-1A (File Nos. 333-102228; 811-21265), as filed with the Securities and Exchange Commission on April 16, 2003.

2.              The Trust’s By-Laws is included as Exhibit (b) to Post-Effective Amendment No. 73 to the Trust’s Registration Statement on Form N-1A (File Nos. 333-102228; 811-21265), as filed with the Securities and Exchange Commission on June 6, 2006.

3.              A form of specimen certificate of beneficial interest, $.01 par value is included as Exhibit (d)(1) to Pre-Effective Amendment No. 2 to the Trust’s Registration Statement on Form N-1A (File Nos. 333-102228; 811-21265), as filed with the Securities and Exchange Commission on April 16, 2003.

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

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