EXHIBIT 10.1

ADVANSTAR COMMUNICATIONS INC.

FIRST AMENDMENT TO SECOND AMENDED

AND RESTATED CREDIT AGREEMENT

This FIRST AMENDMENT, dated as of November 29, 2006 (this “Amendment”), is
entered into by and among Advanstar Communications Inc., a New York corporation
(the “Borrower”), the Lenders party hereto, Credit Suisse, Cayman Islands Branch
(“Credit Suisse”), as administrative agent for the Lenders (in such capacity,
the “Administrative Agent”), Goldman Sachs Credit Partners L.P., as syndication
agent (in such capacity, the “Syndication Agent”), and Wells Fargo Bank,
National Association, as documentation agent (in such capacity, the
“Documentation Agent”), and is made with reference to that certain Second
Amended and Restated Credit Agreement, dated as of May 24, 2006 (the “Credit
Agreement”), entered into by and among the Borrower, the Lenders party thereto,
the Administrative Agent, the Syndication Agent and the Documentation Agent. 
Capitalized terms used herein and not otherwise defined herein or otherwise
amended hereby shall have the meanings ascribed to them in the Credit Agreement.

RECITALS:

WHEREAS, the Borrower desires to amend the definition of EBITDA contained in the
Credit Agreement with respect to certain compensation expenses that represent
additional consideration paid in connection with Permitted Acquisitions.

NOW, THEREFORE, in consideration of the premises and the agreements, herein
contained, the parties agree as follows:

SECTION 1.  AMENDMENT TO CREDIT AGREEMENT

The definition of “EBITDA” contained in Section 1.1 of the Credit Agreement is
hereby amended by deleting the provisions of that definition immediately
following clause (d) thereof and inserting the following in replacement thereof:

“plus

(e) the amount deducted in determining Net Income for such period representing
compensation expense (i) incurred pursuant to contractual earnout arrangements
entered into in connection with a Permitted Acquisition and (ii) that is
reasonably determined by the Company to represent additional consideration paid
in connection with such Permitted Acquisition;

minus

(f) Restricted Payments of the type referred to in clause (c)(i) of Section
7.2.6 made during such period.”

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SECTION 2.                 REPRESENTATIONS AND WARRANTIES

A.  Organization.

The Borrower has full power and authority and holds all requisite governmental
licenses, permits and other approvals to enter into this Amendment.

B.  Due Authorization, Non-Contravention, etc.

The execution, delivery and performance by the Borrower of this Amendment have
been duly authorized by all necessary corporate action, and do not
(i) contravene the Borrower’s Charter Documents or (ii) contravene any
contractual restriction, law or governmental regulation or court decree or order
binding on or affecting the Borrower, where such contravention, individually or
in the aggregate, could reasonably be expected to have a Material Adverse
Effect.

C.  Validity, etc.

This Amendment constitutes the legal, valid and binding obligation of the
Borrower enforceable against the Borrower in accordance with its terms, subject
to the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization,
moratorium and other similar laws relating to or affecting creditors’ rights
generally, general equitable principles (whether considered in a proceeding in
equity or at law) and an implied covenant of good faith and fair dealing.

SECTION 3.                 MISCELLANEOUS

A.            Binding Effect

This Amendment shall be binding upon and shall inure to the benefit of the
parties hereto and each of the Lenders and their respective successors and
assigns.

B.            Severability

Any provision of this Amendment which is prohibited or unenforceable in any
jurisdiction shall, as to such provision and such jurisdiction, be ineffective
to the extent of such prohibition or unenforceability without invalidating the
remaining provisions of this Amendment or affecting the validity or
enforceability of such provision in any other jurisdiction.

C.            Reference to Credit Agreement

On and after the effective date of the Amendment, each reference in the Credit
Agreement to “this Agreement”, “hereunder”, “hereof”, “herein” or words of like
import referring to the Credit Agreement, and each reference in the other Loan
Documents to the “Credit Agreement”, “thereunder”, “thereof” or words of like
import referring to the Credit Agreement shall mean and be a reference to the
Credit Agreement as amended by this Amendment.

D.            Effect on Credit Agreement

Except as specifically amended by this Amendment, the Credit Agreement and the
other Loan Documents shall remain in full force and effect and are hereby
ratified and confirmed.

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E.             Execution

The execution, delivery and performance of this Amendment shall not, except as
expressly provided herein, constitute a waiver of any provision of, or operate
as a waiver of any right, power or remedy of any Agent or Lender under the
Credit Agreement or any of the other Loan Documents.

F.             Headings

The various headings of this Amendment are inserted for convenience only and
shall not affect the meaning or interpretation of this Amendment or any
provisions hereof.

G.            APPLICABLE LAW

THIS AMENDMENT SHALL BE DEEMED TO BE A CONTRACT MADE UNDER AND GOVERNED BY THE
INTERNAL LAWS OF THE STATE OF NEW YORK.

H.            Counterparts; Effectiveness

This Amendment may be executed by the parties hereto in several counterparts,
each of which shall be an original and all of which shall constitute together
but one and the same agreement.  This Amendment shall become effective when
counterparts hereof executed on behalf of the Borrower and Required Lenders (or
notice thereof satisfactory to the Administrative Agent) shall have been
received by the Administrative Agent.

[The remainder of this page is intentionally left blank.]

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly
executed and delivered by their respective officers thereunto duly authorized as
of the date first written above.

 

 

 

ADVANSTAR COMMUNICATIONS INC.

 

 

 

 

 

By:

 

   /s/ TED S. ALPERT

 

 

Name:

 

Ted S. Alpert

 

 

Title:

 

VP Finance, CFO

 

[Signature Page to First Amendment]

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CREDIT SUISSE, CAYMAN ISLANDS BRANCH,

 

 

 

as Administrative Agent and a Lender

 

 

 

 

 

 

 

 

 

 

 

 

 

By:

   /s/ JUDITH E. SMITH

 

 

 

 

Name: Judith E. Smith

 

 

 

 

Title:   Director

 

 

 

 

 

 

 

 

By:

   /s/ DOREEN BARR

 

 

 

 

Name: Doreen Barr

 

 

 

 

Title:   Vice President

 

 

 

[Signature Page to First Amendment]

 

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WELLS FARGO BANK, NATIONAL ASSOCIATION,

 

as the Document Agent and as a Lender

 

 

 

 

 

 

 

 

 

 

 

 

 

By:

   /s/ KYLE R. HOLTZ

 

 

 

 

Name:  Kyle R. Holtz

 

 

 

 

Title:    Vice President

 

 

 

[Signature Page to First Amendment]

 

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MEDIA INVESTORS I TRUST,

 

 

 

as Lender

 

 

 

 

 

 

 

 

 

 

 

 

 

By:

Wilmington Trust Company, not in its individual capacity, but solely as owner
trustee under

agreement dated June 29, 2006

 

 

 

 

 

 

 

 

 

 

 

 

By:

   /s/ JOSEPH B. FEIL

 

 

 

 

Name:  Joseph B. Feil

 

 

 

 

Title:    Assistant Vice President

 

 

 

[Signature Page to First Amendment]

 

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NATAXIS

,

 

 

 

as Lender

 

 

 

 

 

 

 

 

 

 

 

 

 

By:

/s/ ELIZABETH A. HARKER

 

 

 

 

Name:  Elizabeth A. Harker

 

 

 

 

Title:    Director

 

 

 

 

 

 

 

 

By:

/s/ FRANK H. MADDEN, JR.

 

 

 

 

Name:  Frank H. Madden, Jr.

 

 

 

 

Title:    Managing Director

 

 

 

[Signature Page to First Amendment]

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