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EXHIBIT 10.77

                       FIRST AMENDMENT TO RIGHTS AGREEMENT

        FIRST AMENDMENT (this "Amendment") to the Rights Agreement, dated as of
March 17, 1998 (the "Rights Agreement"), between ABM Industries Incorporated, a
Delaware corporation (the "Company"), and Mellon Investor Services LLC (f/k/a
ChaseMellon Shareholder Services, L.L.C.), as Rights Agent (the "Rights Agent"),
made and entered into as of May 6, 2002.

                              W I T N E S S E T H:

        WHEREAS, the Company and the Rights Agent entered into the Rights
Agreement specifying the terms of the Rights; and

        WHEREAS, all acts and things necessary to constitute this Amendment a
valid agreement according to its terms have been done and performed, and the
execution and delivery by the Company and the Rights Agent of this Amendment
have in each and all respects been fully authorized by the Company and the
Rights Agent;

        NOW THEREFORE, in consideration of the promises and the respective
agreements set forth herein, the parties hereby agree as follows:

        1. In Section 1.1 of the Rights Agreement, the definition of "Redemption
Price" shall be, and is hereby amended in its entirety to read as follows:

        "'Redemption Price' shall mean an amount equal to one-half cent
        ($0.005) per Right, as such amount may be appropriately adjusted to
        reflect any stock split, stock dividend or similar transaction
        occurring after the date hereof."

        2. Section 2.3(a) of the Rights Agreement shall be, and is hereby
amended in its entirety to read as follows:

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                "(a) Subject to Sections 3.1, 5.1 and 5.10 and subject to
        adjustment as herein set forth, each Right will entitle the holder
        thereof, after the Separation Time and prior to the Expiration Time, to
        purchase, for the Exercise Price, one two-thousandth (1\2000) of a share
        of Preferred Stock."

        3. Section 3.1(d) of the Rights Agreement shall be, and is hereby
amended in its entirety to read as follows:

                "(d) Whenever the Company shall become obligated under Section
        3.1(a) or (c) to issue shares of Common Stock upon exercise of or in
        exchange for Rights, the Company, at its option, may substitute
        therefore shares of Preferred Stock, at a ratio of one two-thousandth of
        a share of Preferred Stock for each share of Common Stock so issuable,
        appropriately adjusted to protect interests of the holders of the Rights
        generally to reflect any event of this type analogous to any of the
        events described in Section 2.4 (a) or (b) which my have occurred with
        respect to the Common Stock."

        4. Exhibit A of the Rights Agreement shall be, and hereby is amended as
follows:

                (a) The words ", AS AMENDED" shall be, and are hereby added to
        the first sentence of the legend at the top of page A-1 after the words
        "RIGHTS AGREEMENT".

                (b) The first full paragraph under the heading "Rights
        Certificate" shall be, and is hereby is amended by deleting the words
        "one one-thousandth of a fully paid share" and substituting in lieu
        thereof the words "two one-thousandths of a fully paid share."

                (c) The fifth full paragraph under the heading "Rights
        Certificate" shall be, and is hereby is amended by deleting the words
        "$0.01 per Right" and substituting in lieu thereof the words "$0.005 per
        Right."

        5. Except as amended hereby, the Rights Agreement shall continue in full
force and effect.

        6. This Amendment may be executed in any number of counterparts and each
of such counterparts shall for all purposes be deemed to be an original, and all
such counterparts shall together constitute but one and the same instrument.

                                      -2-
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        7. This Amendment shall be deemed to be a contract made under the laws
of the State of Delaware and for all purposes shall be governed by and construed
in accordance with the laws of such state applicable to contracts to be made and
performed entirely within such State.

        8. Terms used in this Amendment and not defined herein shall have the
meanings assigned to such terms by the Rights Agreement.

        9. If any term or provision hereof or the application thereof to any
circumstance shall, in any jurisdiction and to any extent, be invalid or
unenforceable, such term or provision shall be ineffective as to such
jurisdiction to the extent of such invalidity or unenforceability without
invalidation or rendering unenforceable the remaining terms and provisions of
this Amendment or the Rights Agreement or the application of such term or
provision to circumstances other than those as to which it is held invalid or
unenforceable.

        IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date first above written.

                                            ABM INDUSTRIES INCORPORATED

                                            By: /s/ Lorraine P. O'Hara
                                                --------------------------------
                                                Name:  Lorraine P. O'Hara
                                                Title: Assistant Secretary

                                            MELLON INVESTOR SERVICES LLC

                                            By: /s/ Sharon Magidson
                                                --------------------------------
                                                Name:  Sharon Magidson
                                                Title: Vice President

                                      -3-<PAGE>
                                                                     Exhibit 4.1

              AMENDMENT NO. 1 TO THE SHAREHOLDERS RIGHTS AGREEMENT

      This Amendment No. 1 (this "Amendment"), dated as of December 16, 2002,
between Royal Appliance Mfg. Co., an Ohio corporation (the "Company") and
National City Bank (the "Rights Agent"), to the Shareholder Rights Agreement,
dated as of October 21, 1993, between the Company and the Rights Agent (the
"Rights Agreement"); all capitalized terms not defined herein shall have the
meanings ascribed to such terms in the Rights Agreement.

      WHEREAS, the Company proposes to enter into an Agreement and Plan of
Merger, dated as of December ___, 2002 (as amended, supplemented, modified or
replaced from time to time, the "Merger Agreement"), among Techtronic Industries
Co., Ltd., a Hong Kong corporation ("Parent"), RAMC Holdings, Inc., a Delaware
corporation and wholly-owned subsidiary of Parent ("Acquiror"), TIC Acquisition
Corp., an Ohio corporation and wholly-owned subsidiary of Acquiror ("Merger
Sub"), and the Company;

      WHEREAS, the Board of Director of the Company has determined that the
Merger Agreement and the terms and conditions set forth therein and the
transactions contemplated thereby, including, without limitation, the Merger (as
defined in the Merger Agreement), are advisable and are fair to and in the best
interests of the Company and its shareholders;

      WHEREAS, the Board of Directors of the Company has determined, in
connection with its contemplation of the Merger Agreement, that it is necessary
and desirable to amend the Rights Agreement to exempt the Merger Agreement and
the transactions contemplated thereby, including, without limitation, the Merger
from the application of the Rights Agreement as set forth in this Amendment;

      WHEREAS, Section 26 of the Rights Agreement provides that the Company may,
in its sole and absolute discretion, from time to time, supplement and amend the
Rights Agreement without the approval of any holders of Rights Certificates in
order, among other things, to make any provisions with respect to the Rights
which the Company may deem necessary or desirable; and

      WHEREAS, pursuant to Section 26, the Company hereby directs that the
Rights Agreement should be amended as set forth in this Amendment.

      NOW, THEREFORE, in consideration of the foregoing premises and mutual
covenants and agreements set forth herein, and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged, the
Company and the Rights Agent hereby agree as follows:

      Section 1. Amendment to Section 1(a). Section 1(a) of the Rights Agreement
is hereby amended and supplemented by adding the following sentence to the end
thereof:

      "Notwithstanding anything in this Agreement to the contrary, none of
      Techtronic Industries, Inc., an Hong Kong corporation ("Parent"), RAMC
      Holdings, Inc., a Delaware corporation and wholly-owned subsidiary of
      Parent ("Acquiror"), or TIC Acquisition Corp., an Ohio corporation and a
      wholly-owned subsidiary of
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      Acquiror ("Merger Sub"), nor any of Parent's Affiliates shall become or be
      deemed to be an Acquiring Person as a result of (i) the approval,
      execution, delivery or performance of the Agreement and Plan of Merger,
      dated as of December 16, 2002, among Parent, Acquiror, Merger Sub and the
      Company (as amended, supplemented, modified or replaced from time to time,
      the "Merger Agreement"), (ii) the consummation of the Merger (as defined
      in the Merger Agreement), (iii) the consummation of any other transaction
      contemplated in the Merger Agreement, including the exchange of common
      shares of the Company for the right to receive $7.37 cash pursuant to the
      Merger Agreement, or (iv) the public announcement of any of the
      foregoing."

      Section 2. Amendment to Section 1(m). Section 1(m) of the Rights Agreement
is hereby amended and supplemented by adding the following sentence to the end
thereof:

      "Notwithstanding anything in this Agreement to the contrary, a Stock
      Acquisition Date shall not occur or be deemed to have occurred as a result
      of (i) the approval, execution, delivery or performance of the Merger
      Agreement, (ii) the consummation of the Merger, (iii) the consummation of
      any other transaction contemplated in the Merger Agreement, including the
      exchange of common shares of the Company for the right to receive $7.37
      cash pursuant to the Merger Agreement, or (iv) the public announcement of
      any of the foregoing."

      Section 3. Amendment to Section 1(o). Section 1(o) of the Rights Agreement
is hereby amended and supplemented by adding the following sentence to the end
thereof:

      "Notwithstanding anything in this Agreement to the contrary, a Triggering
      Event shall not occur or be deemed to have occurred as a result of (i) the
      approval, execution, delivery or performance of the Merger Agreement, (ii)
      the consummation of the Merger, (iii) the consummation of any other
      transaction contemplated in the Merger Agreement, including the exchange
      of common shares of the Company for the right to receive $7.37 cash
      pursuant to the Merger Agreement, or (iv) the public announcement of any
      of the foregoing."

      Section 4. Amendment to Section 3. Section 3 of the Rights Agreement is
hereby amended and supplemented by adding the following proviso to the end of
the first sentence thereof:

      "; provided that, notwithstanding anything in this Agreement to the
      contrary, a Distribution Date shall not occur or be deemed to have
      occurred as a result of (i) the approval, execution, delivery or
      performance of the Merger Agreement, (ii) the consummation of the Merger,
      (iii) the consummation of any other transaction contemplated in the Merger
      Agreement, including the exchange of common shares of the Company for the
      right to receive $7.37 cash, or (iv) the public announcement of any of the
      foregoing."

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      Section 5. Effective Date. This Amendment shall be deemed effective as of
the date first written above, as if executed on such date. This Amendment shall
be deemed void ab initio if the Merger shall not have occurred on or prior to
April 15, 2003.

      Section 6. Governing Law. This Amendment shall be deemed to be a contract
made under the laws of the State of Ohio and for all purposes shall be governed
by and construed in accordance with the laws of such State applicable to
contracts to be made and performed entirely within such State.

      Section 7. Severability. If any term, provision, covenant or restriction
of this Amendment is held by a court of competent jurisdiction or other
competent authority to be invalid, illegal or incapable of being enforced, the
remainder of the terms, provisions, covenants and restrictions of this
Amendment, and of the Rights Agreement, shall remain in full force and effect
and shall in no way be affected, impaired or invalidated. Upon any such
determination that any term or other provision is invalid, illegal or incapable
of being enforced, the parties hereto shall negotiate in good faith to modify
such provision so as to effect the original intent of the parties as closely as
possible and in an acceptable manner with respect to such provision to the
greatest extent possible.

      Section 8. Notice. The Rights Agent and the Company hereby waive any
notice requirement with respect to each other under the Rights Agreement, if
any, pertaining to the matters covered by this Amendment.

      Section 9. No Other Effect. Except as expressly set forth herein, the
Rights Agreement shall not, by implication or otherwise, be supplemented or
amended by virtue of this Amendment, but shall remain in full force and effect,
as amended hereby.

      Section 10. Counterparts. This Amendment may be executed in any number of
counterparts and each of such counterparts shall for all purposes be deemed to
be an original, and all such counterparts shall together constitute but one and
the same instrument.

      IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed as of the date and year first above written.

                                     ROYAL APPLIANCE MFG. CO.

                                     By:
                                           -------------------------------------
                                           Name:  Richard G. Vasek
                                                --------------------------------
                                           Title:  Chief Financial Officer
                                                 -------------------------------

                                     NATIONAL CITY BANK

                                     By:
                                           -------------------------------------
                                           Name:  Sherry L. Damore
                                                --------------------------------
                                           Title: Vice President
                                                 -------------------------------

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