Document:

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                                                                  EXHIBIT 10 (b)

                                 AMENDMENT NO. 8
                                     TO THE
                                TRANSMATION, INC.
                   AMENDED AND RESTATED DIRECTORS' STOCK PLAN

                             EFFECTIVE JUNE 20, 2001
            (SUBJECT TO SUBSEQUENT RATIFICATION BY THE SHAREHOLDERS)

         WHEREAS, Transmation, Inc., an Ohio corporation (the "Company"), has
established the Transmation, Inc. Amended and Restated Directors' Stock Plan, as
heretofore amended (the "Plan"); and

         WHEREAS, deeming it appropriate and advisable so to do, and pursuant to
Section 9 of the Plan, the Board of Directors of the Company has authorized,
approved and adopted the further amendment to the Plan set forth herein;

         NOW, THEREFORE, the Plan is hereby amended, effective June 20, 2001, as
set forth below; provided, however, that if the shareholders of the Company fail
to approve and ratify this Amendment at the next Annual Meeting of Shareholders,
then this Amendment shall be null and void and of no effect:

                1. Section 2. of the Plan is hereby amended to provide in its
entirety as follows:

                "1. SHARES SUBJECT TO THE PLAN. Shares which may be awarded
                under this Plan may be, in whole or in part, authorized and
                unissued Shares or previously issued Shares reacquired by the
                Company, including Shares purchased on the open market, or such
                other securities as may be substituted pursuant to Section 10.
                The maximum number of Shares which may be issued for all
                purposes under this Plan shall be 400,000 (subject to adjustment
                pursuant to Section 10)."

                2. Except as amended hereby, the Plan shall remain in full force
and effect in accordance with its terms.

         THIS AMENDMENT NO. 8 TO THE TRANSMATION, INC. AMENDED AND RESTATED
DIRECTORS' STOCK PLAN WAS AUTHORIZED, APPROVED AND ADOPTED BY THE BOARD OF
DIRECTORS OF THE COMPANY ON JUNE 20, 2001, AND APPROVED AND RATIFIED BY THE
SHAREHOLDERS OF THE COMPANY ON AUGUST 21, 2001.

                                             /S/ PETER J. ADAMSKI
                                             ----------------------------------
                                             PETER J. ADAMSKI, SECRETARY<PAGE>
                                                                    EXHIBIT 10.1

                 THIRD AMENDMENT TO CONTINGENT WARRANT AGREEMENT
                 -----------------------------------------------

     THIS THIRD AMENDMENT TO CONTINGENT WARRANT AGREEMENT ("Third Amendment"),
dated as of September 28, 2001 is among Advanced Lighting Technologies, Inc., an
Ohio corporation (the "Company"), General Electric Company, a New York
corporation ("Purchaser"), Wayne R. Hellman ("Hellman"), Hellman, Ltd., an Ohio
limited liability company ("Hellman Ltd."), Wayne R. Hellman, as voting trustee
under Voting Trust Agreement dated October 10, 1995, Alan J. Ruud ("Ruud"), and
Alan J. Ruud, as voting trustee under Voting Trust Agreement dated January 2,
1998.

     WHEREAS, the parties entered into a Contingent Warrant Agreement dated
September 30, 1999, as amended by an Amendment to Contingent Warrant Agreement
dated as of August 31, 2000 and a Second Amendment to Contingent Warrant
Agreement dated as of June 29, 2001 (the "Agreement"); and

     WHEREAS, the parties desire to amend the Agreement as provided in this
Third Amendment;

     NOW THEREFORE, in consideration of the mutual covenants contained herein,
the parties, intending to be legally bound, agree as follows:

     1. The Section 2.2a of the Agreement is hereby amended to read in its
entirety as follows:

               a. The Company shall not permit the average of the Company's
          EBITDA Ratio for any two consecutive fiscal quarters, commencing with
          the average for the fiscal quarters ending September 30, 1999 and
          December 31, 1999, and continuing each fiscal quarter thereafter
          (each, a "Determination Period") to be less than the Required Ratio.
          The following periods, which would otherwise be "Determination
          Periods" for the purpose of this Agreement, will not be considered
          "Determination Periods": the two consecutive fiscal quarters ended
          June 30, 2000, the two consecutive fiscal quarters ended September 30,
          2000, the two consecutive fiscal quarters ended June 30, 2001 and the
          two consecutive fiscal quarters ended September 30, 2001.
          Notwithstanding the fact that the two fiscal quarters ended June 30,
          2000, the two fiscal quarters ended September 30, 2000, the two fiscal
          quarters ended June 30, 2001 and the two consecutive fiscal quarters
          ended September 30, 2001 do not constitute Determination Periods, (i)
          the quarter ended September 30, 2000 shall be included in the
          Company's EBITDA Ratio for the Determination Period ended December 31,
          2000, (ii) the quarter ended September 30, 2001 shall be included in
          the Company's EBITDA Ratio for the Determination Period ended December
          31, 2001, (iii) each of the quarters ended June 30, 2000, September
          30, 2000, June 30, 2001 and September 30,2001 shall be a fiscal
          quarter for purposes of Section 2.2e of this Agreement, and (iv) the
          Company shall be required to furnish to Purchaser the report described
          in Section 2.2f of this Agreement for the two consecutive fiscal
          quarters ended June 30, 2000, the two consecutive fiscal quarters
          ended

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          September 30, 2000, the two consecutive fiscal quarters ended June 30,
          2001 and the two consecutive fiscal quarters ended September 30, 2001.

     2. All other provisions of the Agreement shall remain in full force and
effect.

               [Remainder of this page intentionally left blank.]

                                       2

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     IN WITNESS WHEREOF, parties hereto have each caused this Third Amendment to
be executed in the name and on behalf of each of them one of their respective
officers thereunto duly authorized, as of the date first above written.

<TABLE>
<CAPTION>

<S>                                   <C>
                                       THE COMPANY:

                                       ADVANCED LIGHTING TECHNOLOGIES, INC.

                                       By: /S/ Steven C. Potts
                                          -----------------------------------------------
                                          Name:  Steven C. Potts
                                                 ----------------------------------------
                                          Title:  Chief Financial Officer
                                                 ----------------------------------------

                                       /S/ Wayne R. Hellman
                                       ---------------------
                                           Wayne R. Hellman

                                       /S/ Wayne R. Hellman
                                       ---------------------
                                         Wayne R. Hellman, as voting trustee under Voting
                                         Trust Agreement dated October 10, 1995, as amended

                                       HELLMAN LTD.

                                       By: /S/ Wayne R. Hellman
                                          ---------------------
                                       Its: Managing Member
                                            ---------------

                                       /S/ Alan J. Ruud
                                      -----------------
                                           Alan J. Ruud

                                       /S/ Alan J. Ruud
                                       ----------------
                                           Alan J. Ruud, as voting trustee
                                           under Voting Trust Agreement dated
                                           January 2, 1998, as amended

                                       PURCHASER:

                                       GENERAL ELECTRIC COMPANY

                                       By: /S/ Matthew J. Espe
                                          -----------------------------------
                                         Name:   Matthew J. Espe
                                              -------------------------------
                                         Title:  President & CEO, GE Lighting
                                               ------------------------------
</TABLE>

                                       3<PAGE>
                                                                    EXHIBIT 10.2

                            NINTH AMENDMENT AGREEMENT

     This Agreement is effective as of the 28th day of September, 2001, by and
among ADVANCED LIGHTING TECHNOLOGIES, INC., an Ohio corporation ("U.S.
Borrower"), VENTURE LIGHTING POWER SYSTEMS, NORTH AMERICA INC. (f.k.a. Canadian
Lighting Systems Holding, Incorporated), a corporation organized under the laws
of the Province of Nova Scotia ("Canadian Borrower"), PARRY POWER SYSTEMS
LIMITED (Company No. 2833448, f.k.a. Venture Lighting Europe Ltd.), incorporated
under the laws of England, VENTURE LIGHTING EUROPE LTD. (Company No. 3341889,
f.k.a. Parry Power Systems Limited), incorporated under the laws of England
(collectively, "UK Borrowers" and, individually, "UK Borrower", and together
with U.S. Borrower and Canadian Borrower, collectively, "Borrowers" and,
individually, "Borrower"), the banking institutions listed on Schedule 1 (as
amended herein) to the Credit Agreement, as hereinafter defined ("Banks"), and
PNC BANK, NATIONAL ASSOCIATION, as agent for the Banks ("Agent"):

     WHEREAS, Borrowers, Agent and the Banks are parties to a certain Credit
Agreement dated as of May 21, 1999, as the same has been amended from time to
time ("Credit Agreement");

     WHEREAS, Borrowers, Agent and the Banks desire to further amend the Credit
Agreement to modify the definition of Cash Flow in the Credit Agreement; and

     NOW, THEREFORE, in consideration of the premises and of the mutual
covenants contained in this Agreement and for other valuable considerations,
Borrowers, Agent and the Banks hereby agree as follows:

     1. The definition of "Cash Flow" in Article I of the Credit Agreement is
hereby amended to delete such definition in its entirety and insert in lieu
thereof the following:

     "Cash Flow" shall mean, for any period, on a Consolidated basis and in
accordance with GAAP, the sum of (a) Earnings Before Interest and Taxes for such
period, plus (b) depreciation and amortization that were deducted in determining
Consolidated Net Income for such period, plus (c) non-cash charges other than
depreciation and amortization that were deducted in determining Consolidated Net
Income for such period, minus (d) Capital Expenditures for such period, minus
(e) provisions for Taxes.

     2. Concurrently with the execution of this Agreement, Borrowers shall:

          (a) deliver such other documents as may reasonably required by Agent
          in connection with this Agreement; and

          (b) pay to Agent on behalf of the Banks a fee of $60,000, plus all
          legal fees and expenses of Agent in connection with this Ninth
          Amendment Agreement.

     3. Borrowers hereby represent and warrant to Agent and the Banks that (a)
each Borrower has the legal power and authority to execute and deliver this
Agreement; (b) the officers executing this Agreement have been duly authorized
to execute and deliver the same and

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bind such Borrower with respect to the provisions hereof; (c) the execution and
delivery hereof by Borrowers and the performance and observance by Borrowers of
the provisions hereof do not violate or conflict with the organizational
agreements of any Borrower or any law applicable to any Borrower or result in a
breach of any provision of or constitute a default under any other agreement,
instrument or document binding upon or enforceable against any Borrower; (d) no
Unmatured Event of Default or Event of Default exists under the Credit
Agreement, nor will any occur immediately after the execution and delivery of
this Agreement or by the performance or observance of any provision hereof; (e)
neither Borrower nor any Guarantor of Payment is aware of any claim or offset
against, or defense or counterclaim to, any of Borrowers' or any Guarantor of
Payment's obligations or liabilities under the Credit Agreement or any Related
Writing; and (f) this Agreement constitutes the valid and binding obligations of
each Borrower in every respect, enforceable in accordance with its terms.

     4. Each reference that is made in the Credit Agreement or in any other
writing to the Credit Agreement shall hereafter be construed as a reference to
the Credit Agreement as amended hereby. Except as herein otherwise specifically
provided, all provisions of the Credit Agreement shall remain in full force and
effect and be unaffected hereby. This Agreement is a Related Writing as defined
in the Credit Agreement.

     5. Each Borrower and each Guarantor of Payment, by signing below, hereby
waives and releases Agent and each of the Banks and their respective directors,
officers, employees, attorneys, affiliates and subsidiaries from any and all
claims, offsets, defenses and counterclaims of which any Borrower and any
Guarantor of Payment is aware, such waiver and release being with full knowledge
and understanding of the circumstances and effect thereof and after having
consulted legal counsel with respect thereto.

     6. This Agreement may be executed in any number of counterparts, by
different parties hereto in separate counterparts and by facsimile signature,
each of which when so executed and delivered shall be deemed to be an original
and all of which taken together shall constitute but one and the same agreement.

     7. The rights and obligations of all parties hereto shall be governed by
the laws of the State of Ohio, without regard to principles of conflicts of
laws.

                  [Remainder of Page Intentionally Left Blank]

                                     Page 2

<PAGE>

     8. JURY TRIAL WAIVER. BORROWERS, AGENT AND EACH OF THE BANKS WAIVE ANY
RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING IN
CONTRACT, TORT OR OTHERWISE, AMONG ANY BORROWER, AGENT AND THE BANKS, OR ANY
THEREOF, ARISING OUT OF, IN CONNECTION WITH, RELATED TO, OR INCIDENTAL TO THE
RELATIONSHIP ESTABLISHED AMONG THEM IN CONNECTION WITH THIS AGREEMENT OR ANY
NOTE OR OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED IN
CONNECTION HEREWITH OR THE TRANSACTIONS RELATED THERETO. THIS WAIVER SHALL NOT
IN ANY WAY AFFECT, WAIVE, LIMIT, AMEND OR MODIFY AGENT'S OR ANY BANK'S ABILITY
TO PURSUE REMEDIES PURSUANT TO ANY CONFESSION OF JUDGMENT OR COGNOVIT PROVISION
CONTAINED IN ANY NOTE OR OTHER INSTRUMENT, DOCUMENT OR AGREEMENT BETWEEN
BORROWERS, AGENT AND THE BANKS, OR ANY THEREOF.

     Agreed to and accepted as of the 28th day of September, 2001.

<TABLE>
<CAPTION>

<S>                                          <C>
ADVANCED LIGHTING TECHNOLOGIES,              VENTURE LIGHTING POWER
INC.                                         SYSTEMS NORTH AMERICA LTD. (fka
                                             Canadian Lighting Systems Holding,
                                             Incorporated)

By: /S/ Steven C. Potts                      By: /S/ R.G. Douglas Oulton
    -------------------------------             ---------------------------------------
        Steven C. Potts,                     Title:  VP Finance & Admin
        Chief Financial Officer                    ------------------------------------

VENTURE LIGHTING EUROPE                      PARRY POWER SYSTEMS LIMITED
LTD.

By: /S/ E. Young                             By: /S/ W. Ian Wilkinson
   ---------------------------------             --------------------------------------
Title:  Director                             Title:  Managing Director
      ------------------------------               ------------------------------------

FLEET NATIONAL BANK,                         NATIONAL CITY COMMERCIAL
f.k.a. BankBoston, N.A., as a Bank           FINANCE, INC.

By: /S/ Jack A. Meyers                       By: /S/ Gregory A. Godec
    --------------------------------            --------------------------------------
Title:  Senior Vice President                Title: Sr. Vice President
        ----------------------------                ----------------------------------

PNC BANK, NATIONAL ASSOCIATION,             SOVEREIGN BANK
  as Agent and as a Bank

By: /S/ Richard F. Muse, Jr.                 By: /S/ Michelle A. Walcoff
   --------------------------------            ---------------------------------------
Title:  Vice President                       Title: Vice President
      -----------------------------                -----------------------------------
</TABLE>

                                     Page 3

<PAGE>

                            GUARANTOR ACKNOWLEDGMENT

     Each of the undersigned consents and agrees to and acknowledges the terms
of the foregoing Agreement. Each of the undersigned further agrees that the
obligations of each of the undersigned pursuant to the Guaranty of Payment
executed by each of the undersigned shall remain in full force and effect and be
unaffected hereby.

                                        ADLT Realty Corp. I, Inc.
                                        ADLT Services, Inc.
                                        APL Engineered Materials, Inc.
                                        Ballastronix (Delaware), Inc.
                                        Lighting Resources International, Inc.
                                        Microsun Technologies, Inc.
                                        Venture Lighting International, Inc.

                                        By:  /S/ Steven C. Potts
                                           --------------------------------
                                        Name:  Steven C. Potts
                                             ------------------------------
                                        Title:   Chief Financial Officer
                                              -----------------------------
                                        of each of the companies listed above

                                        Deposition Sciences, Inc.
                                        Kramer Lighting, Inc.
                                        Ruud Lighting, Inc.

                                        By: /S/ Steven C. Potts
                                           --------------------------------
                                        Name: Steven C. Potts
                                             ------------------------------
                                        Title: Chief Financial Officer
                                              -----------------------------
                                        signing for each of the companies listed
                                        above by Power of Attorney

                                     Page 4

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