Name

Occupation

George C. McNamee

Chairman of the Board and Officer, MTI

Chairman of the Board and Officer, FAC

Chairman of the Board, and Co-Chief

Executive Officer of First Albany Companies, Inc

Chairman of the Board and Chief Executive Officer of Plug Power, Inc. His present business address is 30 South Pearl Street, Albany, New York, 12207

William P. Acker, PhD

Officer, MTI

President, MTI. His present business address is 30

South Pearl Street, Albany, New York, 12207

Judith A. Barnes, PhD

Officer, MTI

Vice-President and Chief Marketing Officer of MTI. Her present business address is 30 South Pearl Street, Albany, New York 12207

James T. Bunch

Officer, MTI

Vice-President, Business Development of MTI.

His present business address is 160 Spear Street, Suite 208, San Francisco, California, 94150

Dale Church

Director, MTI

Chief Executive Officer, Ventures and Solutions,

LLC, and Trustee of National Defense Industrial Association. His present business address is Ventures and Solutions, LLC, 9 Franklin Street, Alexandria, Virginia, 22314

Edward A. Dohring

Director, MTI

Chairman, MTI Instruments, Inc

Chairman of MTI Instruments, Inc., a majority owned subsidiary of MTI, and recently retired Vice President, Silicon Valley Group and President, SVG Lithography Systems. His present business address is 360 Beach Avenue, Rochester, New York, 14612

Alan P. Goldberg

Director, MTI

Director and Officer, FAC

Director, President and Co-Chief Executive Officer of First Albany Companies, Inc. Director of MTI. His present business address is 30 South Pearl Street, Albany, New York, 12207

Name

Occupation

Catherine S. Hill, Esq.

Officer, MTI

Vice-President Corporate Development, MTI.

Her present Business Address is 30 South Pearl Street, Albany, New York, 12207

E. Dennis O'Connor

Director, MTI

Retired Director of New Products and

Technology, Masco Corporation. His present business address is 2266 Red Apple Road, Manistee, Michigan, 49660

Walter L. Robb, PhD.

Director, MTI

President and Management Consultant, Vantage

Management, Inc. Director of Plug Power, Inc. His present business address is Vantage Management, Inc., 3000 Troy-Schenectady Road, Niskayuna, New York, 12309

Dr. Beno Sternlicht, PhD.

Director, MTI

President, Benjosh Management Corporation

and President, Arben International. His present business address is 123 Partridge Run, Schenectady, New York, 12309

Cynthia Scheuer

Officer, MTI

Vice President and Chief Financial officer of

Mechanical Technology, Incorporated. Her present business address is 30 South Pearl Street, Albany, New York, 12207

Daniel V. McNamee III

Director, FAC

President of The Publishing & Media Group, a

management consulting firm specializing in the media communications industry. His present business address is 475 Fifth Avenue, 19th Floor, New York, New York, 10017

J. Anthony Boeckh, Ph.D

Director, FAC

Chairman and Chief Executive Officer of BCA

Publications Ltd., Montreal, Canada, and Editor-in-Chief of The Bank Credit Analyst. He is also a principal of Greydanus, Boeckh and Associates, Inc., Montreal, Canada, a fixed income specialty manager. His present business address is BCA Publications Ltd., 1002 Sherbrooke St. West, Ste. 1600, Montreal, Canada, H3A 3L6

Name

Peter Barton

Director, FAC

President, Barton and Associates, a private a private investment firm specializing in technology and software. His present business address is 5445 DCT Parkway, Suite 600, Englewood, Colorado 80111

Walter Fiederowicz

Director, FAC

Private investor and consultant. His present business address is 39 Painter Hill Road, Woodbury, Connecticut 06798

Hugh A. Johnson, Jr.

Director and Officer, FAC

Director, Senior Vice President and Chief

Investment Officer of First Albany Companies, Inc., First Albany Corporation, and Chairman of First Albany Asset Management Corporation. His present business address is 30 South Pearl Street, Albany, New York, 12207

Benaree P. Wiley

Director, FAC

President and Chief Executive Officer of The

Partnership, a Boston-based organization founded by business and civic leaders to promote the development of professionals of color through access to corporate, municipal and state leaders. Her present business address is 334 Boylston Street, Suite 400, Boston, Massachusetts, 02116

Charles L. Schwager

Director, FAC

Consultant to Loanet, Inc., a provider of on-line,

real time accounting services to support financial institutions engaged in the business of borrowing and lending securities. His principal business address is 12B Manor Parkway, Salem, New Hampshire, 03079

Stephen P. Wink

Officer, FAC

Secretary and General Counsel of FAC and Sr.

Vice President, General Counsel and Secretary of First Albany Corporation. His present business address is 30 South Pearl Street, Albany, New York, 12207

Steven R. Jenkins

Officer, FAC

Chief Financial Officer of FAC, and Senior

Vice President of First Albany Corporation. His present business address is 30 South Pearl Street, Albany, New York, 12207