AMENDMENT #3 TO SCHEDULE 13D


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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934
(Amendment No. 3 )*

PENTON MEDIA, INC

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

709668 10 7

(CUSIP Number)

Peni Garber
ABRY Mezzanine Partners, L.P.
c/o ABRY Partners, LLC
111 Huntington Avenue, 30th Floor
Boston, MA 02199
Telephone: (617) 859-2959

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

COPY TO:
Joshua N. Korff, Esq.
Kirkland & Ellis LLP
Citigroup Center
153 East 53rd Street
New York, NY 10022
212-446-4800

February 1, 2007

(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 that 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 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).

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.


CUSIP No.		709668 10 7

NAMES OF REPORTING PERSONS:

ABRY Mezzanine Partners, L.P.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

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

(a) o

(b) þ

SEC USE ONLY:

SOURCE OF FUNDS (SEE INSTRUCTIONS):

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

CITIZENSHIP OR PLACE OF ORGANIZATION:

Delaware

SOLE VOTING POWER:

NUMBER OF

None

SHARED VOTING POWER:

BENEFICIALLY

OWNED BY

4,902,181

EACH

SOLE DISPOSITIVE POWER:

REPORTING

PERSON

None

WITH

SHARED DISPOSITIVE POWER:

4,902,181

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

4,902,181

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

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

13.3%

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):


CUSIP No.		709668 10 7

NAMES OF REPORTING PERSONS:

ABRY Mezzanine Investors, L.P.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

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

(a) o

(b) þ

SEC USE ONLY:

SOURCE OF FUNDS (SEE INSTRUCTIONS):

Not Applicable.

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

CITIZENSHIP OR PLACE OF ORGANIZATION:

Delaware

SOLE VOTING POWER:

NUMBER OF

None

SHARED VOTING POWER:

BENEFICIALLY

OWNED BY

4,902,181

EACH

SOLE DISPOSITIVE POWER:

REPORTING

PERSON

None

WITH

SHARED DISPOSITIVE POWER:

4,902,181

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

4,902,181

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

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

13.3%

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):


CUSIP No.		709668 10 7

NAMES OF REPORTING PERSONS:

ABRY Mezzanine Holdings, LLC

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

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

(a) o

(b) þ

SEC USE ONLY:

SOURCE OF FUNDS (SEE INSTRUCTIONS):

Not Applicable.

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

CITIZENSHIP OR PLACE OF ORGANIZATION:

Delaware

SOLE VOTING POWER:

NUMBER OF

None

SHARED VOTING POWER:

BENEFICIALLY

OWNED BY

4,902,181

EACH

SOLE DISPOSITIVE POWER:

REPORTING

PERSON

None

WITH

SHARED DISPOSITIVE POWER:

4,902,181

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

4,902,181

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

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

13.3%

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):


CUSIP No.		709668 10 7

NAMES OF REPORTING PERSONS:

Royce Yudkoff

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):

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

(a) o

(b) þ

SEC USE ONLY:

SOURCE OF FUNDS (SEE INSTRUCTIONS):

Not Applicable.

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

CITIZENSHIP OR PLACE OF ORGANIZATION:

United States

SOLE VOTING POWER:

NUMBER OF

None

SHARED VOTING POWER:

BENEFICIALLY

OWNED BY

4,902,181

EACH

SOLE DISPOSITIVE POWER:

REPORTING

PERSON

None

WITH

SHARED DISPOSITIVE POWER:

4,902,181

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

4,902,181

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

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

13.3%

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

This Amendment No. 3 to Schedule 13D (this “STATEMENT”) relates to the common stock, par value $0.01 per share (the “COMMON STOCK”), of Penton Media, Inc. (the “ISSUER”). This Statement supplementally amends the initial statement on Schedule 13D, filed on March 19, 2002 (the “INITIAL STATEMENT”), as amended by Amendment No. 1 to the Initial Statement, filed on August 1, 2006 (the “First Amendment”), as further amended by Amendment No. 2 to the Initial Statement, filed on November 9, 2006, by ABRY Mezzanine Partners, L.P., a Delaware limited partnership, ABRY Mezzanine Investors, L.P., a Delaware limited partnership, ABRY Mezzanine Holdings, LLC, a Delaware limited liability company and Royce Yudkoff, an individual resident of the state of Massachusetts (collectively, the “REPORTING PERSONS”).

ITEM 4. PURPOSE OF TRANSACTIONS.

Item 4 is hereby amended by adding the following:

On February 1, 2007, pursuant to the Agreement and Plan of Merger (the “Prism Merger Agreement”), dated as of November 1, 2006, between the Issuer, Prism Business Media Holdings, Inc., a Delaware corporation (“Parent”), and Prism Acquisition Co., a Delaware corporation and a direct wholly-owned subsidiary of Parent, the Reporting Persons sold all of their shares of Common Stock of the Issuer.

SIGNATURES

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

Dated as of February 5, 2007



		ABRY MEZZANINE PARTNERS, L.P.
		ABRY MEZZANINE INVESTORS, L.P.
		ABRY MEZZANINE HOLDINGS, LLC
		ROYCE YUDKOFF

		/s/ Peni Garber

		By: Peni Garber Title: Attorney-in-fact for each of the Reporting Persons