sc13dza

0000950134-08-011811.txt : 20080625 0000950134-08-011811.hdr.sgml : 20080625 20080625165244 ACCESSION NUMBER: 0000950134-08-011811 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20080625 DATE AS OF CHANGE: 20080625 GROUP MEMBERS: CURTIS F. BRADBURY JR. GROUP MEMBERS: DOUGLAS H. MARTIN GROUP MEMBERS: HARRIET C. STEPHENS GROUP MEMBERS: HARRIET CALHOUN STEPHENS TRUST GROUP MEMBERS: JACKSON T STEPHENS TRUST NO. ONE GROUP MEMBERS: JOHN CALHOUN STEPHENS TRUST UID 12/01/87 GROUP MEMBERS: LAURA WHITAKER STEPHENS TRUST UID 12/28/90 GROUP MEMBERS: WARREN & HARRIET STEPHENS CHILDRENS TRUST GROUP MEMBERS: WARREN MILES AMERINE STEPHENS TRUST UID 9/10/86 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: POWER ONE INC CENTRAL INDEX KEY: 0001042825 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRONIC COMPONENTS, NEC [3679] IRS NUMBER: 770420182 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-51761 FILM NUMBER: 08917071 BUSINESS ADDRESS: STREET 1: 740 CALLE PLANO CITY: CAMARILLO STATE: CA ZIP: 93012 BUSINESS PHONE: 8059878741 MAIL ADDRESS: STREET 1: 740 CALLE PLANO CITY: CAMARILLO STATE: CA ZIP: 93012 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: STEPHENS WARREN A CENTRAL INDEX KEY: 0001187376 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: BUSINESS PHONE: 5013772000 MAIL ADDRESS: STREET 1: 111 CENTER STREET CITY: LITTLE ROCK STATE: AR ZIP: 72201 SC 13D/A 1 d57996sc13dza.htm AMENDMENT TO SCHEDULE 13D sc13dza

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 10)*

Power-One, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

739308104

(CUSIP Number)

David A. Knight, c/o Stephens Inc., 111 Center Street, Little Rock, AR 72201, (501) 377-2000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

June 17, 2008

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box o.

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule including all exhibits. See § 240.13d-7(b) for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No.		739308104

NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

Warren A. Stephens

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

(a) o

(b) o

SEC USE ONLY

SOURCE OF FUNDS (SEE INSTRUCTIONS)

Not applicable

CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

CITIZENSHIP OR PLACE OF ORGANIZATION

Arkansas

SOLE VOTING POWER

NUMBER OF

5,102,451*

SHARED VOTING POWER

BENEFICIALLY

OWNED BY

470,929

EACH

SOLE DISPOSITIVE POWER

REPORTING

PERSON

5,102,451*

WITH

SHARED DISPOSITIVE POWER

470,929

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

5,573,380*

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

6.3

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

* Includes 500,000 shares of the Common Stock which may be acquired upon the exercise of warrants exercisable within sixty days of the date hereof. Such warrants are owned by PWER Bridge, LLC, an affiliate of reporting person.


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Jackson T. Stephens Trust No. One


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			143,389

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			143,389

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	143,389

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.2

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Warren & Harriet Stephens Children’s Trust


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			220,939

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			220,939

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	220,939

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.3

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Harriet Calhoun Stephens Trust


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			85,348

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			85,348

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	85,348

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Harriet C. Stephens


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			85,348

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			85,348

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	85,348

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	IN


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Warren Miles Amerine Stephens Trust UID 9/10/86


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			130,171

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			130,171

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	130,171

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) John Calhoun Stephens Trust UID 12/01/87


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			130,171

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			130,171

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	130,171

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Laura Whitaker Stephens Trust UID 12/28/90


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			130,171

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			-0-

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			130,171

WITH		10	SHARED DISPOSITIVE POWER

			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	130,171

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	OO


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Douglas H. Martin


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			92,317

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			20,797

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			92,317

WITH		10	SHARED DISPOSITIVE POWER

			20,797

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	113,114

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.1

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	IN


CUSIP No.		739308104


1	NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Curtis F. Bradbury, Jr.


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
	(a) o
	(b) o

3	SEC USE ONLY



4	SOURCE OF FUNDS (SEE INSTRUCTIONS)

	Not applicable

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)

	o

6	CITIZENSHIP OR PLACE OF ORGANIZATION

	Arkansas

		7	SOLE VOTING POWER

NUMBER OF			318,668

SHARES		8	SHARED VOTING POWER
BENEFICIALLY
OWNED BY			241,736

EACH		9	SOLE DISPOSITIVE POWER
REPORTING
PERSON			318,668

WITH		10	SHARED DISPOSITIVE POWER

			241,736

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	560,404

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)

	þ

13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

	0.6

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

	IN

CUSIP No. 739308104

Introductory Statement

This Amendment No. 10 to Schedule 13D relates to the common stock, par value $.001 per share (the “Common Stock”), of Power-One, Inc. (“Power One”). This Amendment No. 10 amends and supplements (i) the Schedule 13D initially filed by the reporting persons on June 11, 1998, (ii) Amendment No. 1 to the Statement filed by the reporting persons on October 28, 1999, (iii) Amendment No. 2 to the Statement filed by the reporting persons on June 19, 2000, (iv) Amendment No. 3 to the Statement filed by the reporting persons on August 7, 2000, (v) Amendment No. 4 to the Statement filed by the reporting persons on November 30, 2000, (vi) Amendment No. 5 to the Statement filed by the reporting persons on December 7, 2001, (vii) Amendment No. 6 to the Statement filed by the reporting persons on March 13, 2003, (viii) Amendment No. 7 to the Statement filed by the reporting persons on February 14, 2008, (ix) Amendment No. 8 to the Statement filed by the reporting persons on March 13, 2008, and (x) Amendment No. 10 to the Statement filed by the reporting persons on March 17, 2008 (collectively, the “Prior Filings” and collectively with this Amendment No. 10, this “Statement”). Unless otherwise defined herein, capitalized terms used herein shall have the meanings ascribed thereto in the Prior Filings. Except as specifically provided herein, this Amendment No. 10 does not modify any of the information previously reported in the Prior Filings.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

Item 3 is supplemented by adding the following:

On June 17, 2008, Power One retired all outstanding indebtedness owed to Power Bridge, LLC (“PWER Bridge”), a company wholly owned by Stephens Investments Holdings LLC which, in turn, is owned by Warren A. Stephens. Upon the retirement of the indebtedness, certain rights to Warrants previously granted by Power One to PWER Bridge exercisable for up to 1,500,000 shares of the Common Stock were terminated prior to vesting. PWER Bridge continues to own vested Warrants exercisable for up to 500,000 shares of the Common Stock. All of the Warrants were granted to PWER Bridge in connection with the Amended Loan Agreement entered into between PWER Bridge and Power One on March 6, 2008.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

Item 5(a) is amended and restated to read in its entirety as follows:

(a) The following table discloses the beneficial ownership of the Common Stock by the reporting persons and their respective directors and control persons. Because of interrelationships among the various reporting persons, certain shares of the Common Stock may be reported as being beneficially owned by more than one person.


	Number of
	Shares		Percent of
	Beneficially		Outstanding	Voting Power		Dispositive Power
Name	Owned		Shares(1)	Sole	Shared	Sole		Shared
Jackson T. Stephens Trust One		143,389	0.2	143,389	0		143,389	0
Warren A. Stephens(2)		5,573,380	6.3	5,102,451	470,929		5,102,451	470,929
Warren and Harriet Stephens Children’s Trust		220,939	0.3	220,939	0		220,939	0
Harriet C. Stephens Trust		85,348	0.1	85,348	0		85,348	0
Harriet C. Stephens(3)		85,348	0.1	85,348	0		85,348	0
Warren Miles Amerine Stephens Trust		130,171	0.1	130,171	0		130,171	0
John Calhoun Stephens Trust		130,171	0.1	130,171	0		130,171	0
Laura Whitaker Stephens Trust		130,171	0.1	130,171	0		130,171	0
Douglas H. Martin(4)		113,114	0.1	92,317	20,797		92,317	20,797
Curtis F. Bradbury(5)		560,404	0.6	318,668	241,736		318,668	241,736

CUSIP No. 739308104

(1) Based on 87,348,256 shares reported by Power One as outstanding on the date of filing of this Amendment No. 10.

(2) Includes 130,171 shares owned by each of Warren Miles Amerine Stephens Trust, John Calhoun Stephens Trust, and Laura Whitaker Stephens Trust, as to which Mr. Stephens, as sole Trustee, has sole voting power and sole dispositive power, 143,389 shares owned by Jackson T. Stephens Trust No. One as to which Mr. Stephens, as Co-Trustee with Jon E.M. Jacoby, has shared voting power and shared dispositive power, 3,411,818 shares owned by Stephens Investments Holdings LLC as to which Mr. Stephens, as Manager, has sole voting power and sole dispositive power, and 200,120 shares owned by Warren A. Stephens IRA as to which Mr. Stephens has sole voting power and sole dispositive power. Also includes 8,347 shares owned by Stephens Investment Partners 2000A LLC, 12,095 shares owned by Stephens Investment Partners 2000B LLC, and 355 shares owned by Stephens Investment Partners 2001B LLC, as to which Mr. Stephens, as Co-Manager, has shared voting power and shared dispositive power. Also includes 85,804 shares held by Stephens Inc. in discretionary customer accounts as to which Mr. Stephens, as President of Stephens Inc., has shared voting power and shared dispositive power, and 220,939 shares owned by Warren and Harriet Stephens Childrens Trust for benefit of reporting person’s children as to which Mr. Stephens may be deemed to have shared voting and dispositive power. Also includes 600,000 shares held by Stephens Inc. in its inventory as to which Mr. Stephens has sole voting power and sole dispositive power. Also includes 500,000 shares which may be acquired upon the exercise of warrants held by PWER Bridge which are exercisable within sixty days of the date hereof.

(3) Includes 85,348 shares beneficially owned by Harriet Calhoun Stephens Trust, of which Harriet C. Stephens is a trustee. Excludes shares beneficially owned by Harriet Calhoun Stephens’ husband, Warren A. Stephens.

(4) Includes 5,908 shares owned by Martin Family Partnership IV as to which Mr. Martin has sole voting power and sole dispositive power. Also includes 39,629 shares owned individually and 42,780 shares owned by Mr. Martin’s IRA as to which Mr. Martin has sole voting power and sole dispositive power. Also includes 8,347 shares owned by Stephens Investment Partners 2000A LLC, 12,095 shares owned by Stephens Investment Partners 2000B LLC, and 355 shares owned by Stephens Investment Partners 2001B LLC, as to which Mr. Martin, as Co-Manager of the LLCs, has shared voting power and shared dispositive power. Also includes 1,000 shares owned by each of four minor children.

(5) Includes 317,168 shares owned individually and 1,500 shares owned by Curtis F. Bradbury, III, Mr. Bradbury’s minor child, as to which Mr. Bradbury has sole voting power and sole dispositive power. Also includes 8,347 shares owned by Stephens Investment Partners 2000A LLC, 12,095 shares owned by Stephens Investment Partners 2000B LLC, and 355 shares owned by Stephens Investment Partners 2001B LLC, as to which Mr. Bradbury, as Co-Manager of the LLCs, has shared voting power and shared dispositive power. Also includes 220,939 shares owned by Warren and Harriet Stephens Children’s Trust as to which Mr. Bradbury, as Co-Trustee, has shared voting power and shared dispositive power.

Item 5(b) is supplemented by adding the following:

On June 17, 2008, certain rights to Warrants held by PWER Bridge exercisable for up to 1,500,000 shares of the Common Stock were terminated prior to vesting upon the retirement of indebtedness owed by Power One to PWER Bridge. PWER Bridge is wholly owned by Stephens Investments Holdings LLC which, in turn, is owned by Warren A. Stephens.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.

Agreement to File Joint Schedule 13D

CUSIP No. 739308104

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

June 25, 2008
Date


		/s/ David A. Knight

		David A. Knight, as attorney in fact for Jackson T. Stephens Trust No. One, Warren A. Stephens, Warren & Harriet Stephens Children’s Trust, Harriet C. Stephens Trust, Harriet C. Stephens, Warren Miles Amerine Stephens Trust, John Calhoun Stephens Trust, Laura Whitaker Stephens Trust, Douglas H. Martin, and Curtis F. Bradbury, Jr.

EX-99.A 2 d57996exv99wa.htm JOINT FILER AGREEMENT exv99wa

CUSIP No. 739308104

AGREEMENT TO FILE JOINT SCHEDULE 13D

Each of the undersigned, being a record owner or “beneficial owner” of the common stock of Power One, Inc. (“Common Stock”), hereby agrees to jointly file a Schedule 13D with respect to their respective holdings of the Common Stock and to include this agreement as an exhibit to such Schedule 13D.

IN WITNESS WHEREOF, each of the undersigned has executed and delivered this agreement as of the 25th day of June, 2008.


		/s/ David A. Knight

		David A. Knight, as attorney in fact for Jackson T. Stephens Trust No. One, Warren A. Stephens, Warren & Harriet Stephens Children’s Trust, Harriet C. Stephens Trust, Harriet C. Stephens, Warren Miles Amerine Stephens Trust, John Calhoun Stephens Trust, Laura Whitaker Stephens Trust, Douglas H. Martin, and Curtis F. Bradbury, Jr.