Common Contracts

Factoring and Security Agreement

Siena Technologies, Inc. • June 28th, 2007 • Communications services, nec • Massachusetts

• Company
  Siena Technologies, Inc.
• Filed
  June 28th, 2007
• Industry
  Communications services, nec
• Jurisdiction
  Massachusetts

FOR VALUE RECEIVED, Siena Technologies, Inc., Inc., a Nevada corporation (the “Company”), (OTC BB: SIEN) hereby promises to pay DUTCHESS PRIVATE EQUITIES FUND, LTD. (the “Holder”) by August 30, 2007 (the “Maturity Date”), or earlier, the Face Amount of Four Hundred and Eighty-Three Thousand dollars ($483,000) U.S., plus accrued interest, in such amounts, at such times and on such terms and conditions as are specified herein.

Receivable Factoring Agreement

Challenger Powerboats, Inc. • May 21st, 2007 • Ship & boat building & repairing • Massachusetts

• Company
  Challenger Powerboats, Inc.
• Filed
  May 21st, 2007
• Industry
  Ship & boat building & repairing
• Jurisdiction
  Massachusetts

FOR VALUE RECEIVED, Challenger Offshore, Inc., a Nevada corporation (the “Company”), (OTC BB: XTME) hereby promises to pay DUTCHESS PRIVATE EQUITIES FUND, LTD. (the “Holder”) by April 26, 2007 (the “Maturity Date”), or earlier, the Face Amount of One Hundred and Twenty thousand dollars ($120,000) U.S., plus accrued interest, in such amounts, at such times and on such terms and conditions as are specified herein.