Document:

Exhibit 10.11

                  AMENDMENT NO. 2 TO STOCK OPTION AGREEMENT

      AMENDMENT NO. 2 TO STOCK OPTION  AGREEMENT dated as of June 27, 2005, by
and between  Energy  Conversion  Devices,  Inc., a Delaware  corporation  (the
"Company"), and Iris M. Ovshinsky (the "Executive").
--------                                ---------

      The Company and the Executive are parties to a Stock Option Agreement
dated as of November 18, 1993, as amended as of November 10, 1995 (the "Stock
Option Agreement"), pursuant to which the Executive has been granted the right
to purchase certain shares of the Common Stock, par value $.01 per share (the
"Common Stock"), and Class A Common Stock, par value $.01 per share (the "Class
A Common Stock"), of the Company. All capitalized terms used without definition
in this Agreement will have the respective meanings set forth in the Stock
Option Agreement.

      The parties hereto agree as follows:

      1. A total of 342,643 shares of Common Stock are issuable as of the date
of this Agreement upon the exercise in full of the Option and all additional
stock options granted to the Executive pursuant to Section 3.2 of the Stock
Option Agreement on or prior to the date of this Agreement. In accordance with
the Stock Option Agreement, the Executive has the right to exercise the Option
and such additional stock options for up to a total of 126,082 shares of Class A
Common Stock in lieu of an equivalent number of shares of Common Stock.

      2. The Stock Option Agreement is hereby amended by deleting Section 3.2
thereof in its entirety. The Executive acknowledges that the Company will not
have any further obligation to grant additional stock options to the Executive
pursuant to Section 3.2 of the Stock Option Agreement on or after the date of
this Agreement.

      3. In consideration of the agreements by the Executive contained herein,
the Company hereby agrees to grant to the Executive as of the date of this
Agreement stock options exercisable for a total of 65,000 shares of Common Stock
pursuant to the Energy Conversion Devices, Inc. 2000 Non-Qualified Stock Option
Plan (the "Plan"). The foregoing stock options will provide for an exercise
price of $22.18 per share and will be governed in all respects by the terms and
conditions of the Plan and the grant agreement evidencing the grant of the stock
options to the Executive.

      4. Except as expressly set forth herein, the Stock Option Agreement will
continue in full force and effective in accordance with its terms and
conditions.

                                      139
<PAGE>

      IN WITNESS WHEREOF, the undersigned have executed and delivered this
Agreement as of the day and year first written above.

                                    ENERGY CONVERSION DEVICES, INC.

                                    By /s/ Robert C. Stempel
                                    ------------------------
                                    Its Chairman
                                    ------------

                                    /s/ Iris M. Ovshinsky
                                    ----------------------
                                    Iris M. Ovshinsky

                                      140Exhibit 10.12

                 AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT
                 -------------------------------------------

      This Amendment to Executive Employment Agreement is made and entered
into as of June 27, 2005, between Stanford R. Ovshinsky ("Executive") and
Energy Conversion Devices, Inc., a Delaware corporation ("ECD").

      WHEREAS, Executive and ECD made and entered into an Executive Employment
Agreement dated as of September 2, 1993 (the "Agreement"); and
      WHEREAS, Executive and ECD desire to amend the Agreement.

      NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Executive and ECD hereby agree as
follows:

      Section 1 - "Employment and Duties" of the Agreement between Executive and
ECD is amended to provide for the employment of the Executive as its President
and Chief Technology Officer.

      The Agreement is amended to add "Section 3.1 - Consulting" as follows:

          In the event of the termination of the Employment Period for any
          reason other than death or termination by ECD with cause, Executive
          shall serve as a consultant to ECD until the retirement of Executive
          (the "Consulting Period"). Consulting services shall be rendered at
          times and places reasonably convenient to Executive at the request of
          the Chief Executive Officer of ECD. During the Consulting Period and
          until the retirement of Executive, Executive shall receive consulting
          fees equal to 50% of the salary payable under Section 4.1 of this
          Agreement at the date of termination of Employment Period, payable in
          the same manner as salary under Section 4.1. So long as Executive is
          receiving consulting fees, the Consulting Period shall be deemed to be
          employment by ECD for purposes of Sections 6.4 and 6.5 of the
          Agreement;

                                      141
<PAGE>

      The Agreement is amended to add "Section 3.2 - Retirement" as follows:

          Executive shall have the right to retire at any time during the
          Consulting Period. In the event of the termination of the Consulting
          Period for any reason including retirement other than death or
          termination by ECD with cause, Executive shall receive retirement
          benefits for the remainder of the life of Executive (the "Retirement
          Period"). During the Retirement Period, Executive shall receive
          retirement benefits equal to 50% of the salary payable under Section
          4.1 of the Agreement at the date of termination of the Employment
          Period, payable in the same manner as salary under Section 4.1.

                                  * * * * *

      CONFIRMATION. Each of ECD and the Executive hereby confirms and reaffirms
the validity of the remainder of the Agreement and acknowledges that their
respective obligations and rights thereunder shall remain in full force and
effect.

      IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed on the date and in the year first written above.

STANFORD R. OVSHINSKY                      ENERGY CONVERSION DEVICES, INC.

/s/ Stanford R. Ovshinsky                  /s/ Robert C. Stempel
-------------------------------            -----------------------------------
                                             By Robert C. Stempel
                                             Its Chairman

                                      142Exhibit 10.13

              AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT
              --------------------------------------------

      This Amendment to Executive Employment Agreement is made and entered
into as of June 27, 2005, among Stanford R. Ovshinsky ("Executive"); Energy
Conversion Devices, Inc., a Delaware corporation ("ECD"); and Ovonic Battery
Company, Inc., a Delaware corporation (the "Company").

      WHEREAS, Executive, ECD and Company made and entered into an Executive
Employment Agreement dated as of September 2, 1993 (the "Agreement"); and
      WHEREAS, Executive, ECD and Company entered into an Amendment to the
Agreement dated as of March 31, 1996; and
      WHEREAS, Executive, ECD and Company desire to further amend the Agreement.

      NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Executive, ECD and Company hereby
agree as follows:

      The Agreement is amended to add "Section 3.1 - Consulting" as follows:

          In the event of the termination of the Employment Period for any
          reason other than death or termination by the Company with cause,
          Executive shall serve as a consultant to the Company until the
          retirement of Executive (the "Consulting Period"). Consulting services
          shall be rendered at times and places reasonably convenient to
          Executive at the request of the Chief Executive Officer of the
          Company. During the Consulting Period and until the retirement of
          Executive, Executive shall receive consulting fees equal to 50% of the
          salary payable under Section 4.1 of this Agreement at the date of
          termination of Employment Period, payable in the same manner as salary
          under Section 4.1. So long as Executive is receiving consulting fees,
          the Consulting Period shall be deemed to be employment by the Company
          for purposes of Sections 6.4 and 6.5 of the Agreement;

                                      143
<PAGE>

      The Agreement is amended to add "Section 3.2 - Retirement" as follows:

          Executive shall have the right to retire at any time during the
          Consulting Period. In the event of the termination of the Consulting
          Period for any reason including retirement other than death or
          termination by the Company with cause, Executive shall receive
          retirement benefits for the remainder of the life of Executive (the
          "Retirement Period"). During the Retirement Period, Executive shall
          receive retirement benefits equal to 50% of the salary payable under
          Section 4.1 of the Agreement at the date of termination of the
          Employment Period, payable in the same manner as salary under Section
          4.1.

                                  * * * * *

      CONFIRMATION. Each of ECD, the Company and the Executive hereby confirms
and reaffirms the validity of the remainder of the Agreement and acknowledges
that their respective obligations and rights thereunder shall remain in full
force and effect.

      IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed on the date and in the year first written above.

STANFORD R. OVSHINSKY                      OVONIC BATTERY COMPANY, INC.
                                           ENERGY CONVERSION DEVICES, INC.

/s/ Stanford R. Ovshinsky                  /s/ Robert C. Stempel
------------------------------             -----------------------------------
                                             By Robert C. Stempel
                                             Its Chairman

                                      144

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