from 10-Q 4 pages Beacon Power Corporation Warrant Amendment and Exercise Agreement

from 10-Q 5 pages Beacon Power Corporation Warrant Amendment and Exercise Agreement

from 10-Q 5 pages Beacon Power Corporation Warrant Amendment and Exercise Agreement

from 10-Q 4 pages Beacon Power Corporation Warrant Amendment and Exercise Agreement

from 10-Q 10 pages First Amendment to Common Agreement Dated as of June 2, 2011 Among Stephentown Regulation Services LLC, as Borrower U.S. Department of Energy, as Credit Party, U.S. Department of Energy, as Loan Servicer, and PNC Bank National Association, D/B/a Midland Loan Services, a Division of PNC Bank National Association, as Administrative Agent in Its Capacity as the Collateral Agent Beacon Power Project Stephentown, New York First Amendment to Common Agreement

from 10-Q 4 pages First Amendment to Corporate Guaranty Among Beacon Power Corporation, the U.S. Department of Energy and PNC Bank National Association, D/B/a Midland Loan Services, a Division of PNC Bank National Association, as Administrative Agent in Its Capacity as the Collateral Agent Dated as of June 2, 2011 First Amendment to Corporate Guaranty

from 10-Q ~1 page Management certification of annual or quarterly disclosure

from 10-Q ~1 page Management certification of annual or quarterly disclosure

from 10-Q 1 page Management certification of financial report

from 10-Q 1 page Management certification of financial report