International Electronics, LLC Watch

from S-4 178 pages Credit Agreement Dated as of May 20, 2008 Among Nortek, Inc., as the Specified U.S. Borrower, Ventrol Air Handling Systems Inc., as the Canadian Borrower, the Other Borrowers Named Herein, Bank of America, N.A., as Administrative Agent, Collateral AGENT,U.S. Swing Line Lender and U.S. L/C Issuer, Bank of America, N.A. (Acting Through Its Canada Branch), as Canadian Swing Line Lender and Canadian L/C Issuer, the Other Lenders Party Hereto, Banc of America Securities LLC, Credit Suisse Securities (USA) LLC, as Joint Lead Arrangers Banc of America Securities LLC, Credit Suisse Securities (USA) LLC, and Goldman Sachs Credit Partners L.P., as Joint Bookrunners and Credit Suisse Securities (USA) LLC Goldman Sachs Credit Partners L.P. and Ubs Securities LLC, as Co-Syndication Agents and Wachovia Bank, National Association, as Documentation Agent

from S-4 32 pages Registration Rights Agreement Dated as of May 20, 2008 by and Among Nortek, Inc. and Credit Suisse Securities (USA) LLC, Banc of America Securities LLC and Goldman, Sachs & Co., as Representatives of the Initial Purchasers Named Herein 10.000% Senior Secured Notes Due 2013

from 10KSB 2 pages Loan Modification Agreement

from 10KSB 33 pages Loan and Security Agreement

from 10KSB 1 page Eastern Bank April 19, 2005 Mr. John Waldstein President International Electronics Inc. 427 Turnpike Street Canton, Ma 2709 Dear John: This Is to Confirm to That the Secured Line of Credit Totaling $1,000,000 and the Equipment Line Totaling $500,000 to International Electronics Inc. Has Been Cancelled. Please Sign the Acknowledgement Below and Return This Letter to Me. Very Truly Yours, Agreed to and Accepted: International Electronics Inc. /S/ Alan Roberts Alan Roberts By: /S/ John Waldstein 05/27/05 Vice President John Waldstein , President Date

from 10QSB 1 page February 26, 2004 Very Truly Yours, Eastern Bank By: /S/ Alan Roberts Alan Roberts, Vice President Understood and Agreed To: International Electronics, Inc. By: /S/ John Waldstein John Waldstein, President and Treasurer

from 10QSB 4 pages Line of Credit Agreement for the Acquisition of Equipment

from 10QSB 2 pages Eastern Bank November 3, 2003

from 10QSB 1 page Eastern Bank

from 10QSB 5 pages Eastern Bank Line of Credit Agreement for the Acquisition of Equipment January 14, 2003

from 10QSB ~5 pages Line of Credit Agreement

from 10QSB 1 page Demand Loan and Security Letter Agreement

from 10QSB ~20 pages Demand Loan and Security Agreement