North Star Partners LP – Underwriting Agreements Watch

from SC 13G/A 1 page Exhibit 1 the Persons Filing This Statement Are North Star Partners, L.P., a Delaware Limited Partnership ("North Star"), North Star Partners II, L.P., a Delaware Limited Partnership ("Nsp II") and Andrew R. Jones, a Citizen of the United States of America ("Mr. Jones") (Collectively, the "Reporting Persons"). the General Partner of North Star and Nsp II Is Ns Advisors, L.L.C., a Connecticut Limited Liability Company. Mr. Jones Is the Sole Managing Member of Ns Advisors, L.L.C

from SC 13D/A 1 page Exhibit 1 Agreement of Joint Filing Pursuant to Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Consent to the Joint Filing on Their Behalf of a Single Schedule 13d and Any Amendments Thereto, With Respect to the Beneficial Ownership by Each of the Undersigned of Shares of Common Stock, Par Value $0.001 Per Share, of Amerivest Properties Inc., a Maryland Corporation. Dated: January 9, 2006 North Star Partners, L.P. By: Ns Advisors, LLC General Partner By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member North Star Partners II, L.P. By: Ns Advisors, LLC General Partner By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member Circle T Explorer Master Limited By: Ns Advisors, LLC Portfolio Manager By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member Ns Advisors, LLC By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member /S/ Andrew R. Jones Andrew R. Jones, Individually

from SC 13G 1 page Exhibit 1 Agreement of Joint Filing Pursuant to Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Consent to the Joint Filing on Their Behalf of a Single Schedule 13g and Any Amendments Thereto, With Respect to the Beneficial Ownership by Each of the Undersigned of Shares of Common Stock, Par Value $0.001 Per Share, of Cornell Companies, Inc., a Delaware Corporation. Dated: January 5, 2006 North Star Partners, L.P. By: Ns Advisors, LLC General Partner By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member North Star Partners II, L.P. By: Ns Advisors, LLC General Partner By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member Circle T Explorer Master Limited By: Ns Advisors, LLC Portfolio Manager By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member Ns Advisors, LLC By: /S/ Andrew R. Jones Andrew R. Jones, Managing Member /S/ Andrew R. Jones Andrew R. Jones, Individually

from SC 13D 1 page Exhibit 1 Agreement of Joint Filing Pursuant to Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Consent to the Joint Filing on Their Behalf of a Single Schedule 13d and Any Amendments Thereto, With Respect to the Beneficial Ownership by Each of the Undersigned of Shares of Common Stock, Par Value $0.001 Per Share, of Amerivest Properties Inc., a Maryland Corporation. Dated: September 16, 2005 North Star Partners, L.P. By: Ns Advisors, LLC General Partner By: /S/Andrew R. Jones Andrew R. Jones, Managing Member North Star Partners II, L.P. By: Ns Advisors, LLC General Partner By: /S/Andrew R. Jones Andrew R. Jones, Managing Member Ns Offshore, Ltd. By: Ns Advisors, LLC Sole Manager By: /S/Andrew R. Jones Andrew R. Jones, Managing Member Circle T Explorer Master Limited By: Ns Advisors, LLC Portfolio Manager By: /S/Andrew R. Jones Andrew R. Jones, Managing Member Ns Advisors, LLC By: /S/Andrew R. Jones Andrew R. Jones, Managing Member /S/Andrew R. Jones Andrew R. Jones, Individually

from SC 13D 1 page Letters to Board of Directors

from SC 13D 1 page Exhibit 1 Agreement of Joint Filing Pursuant to Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Consent to the Joint Filing on Their Behalf of a Single Schedule 13d and Any Amendments Thereto, With Respect to the Beneficial Ownership by Each of the Undersigned of Shares of Beneficial Interest, $.01 Par Value Per Share, of Eldertrust, a Maryland Real Estate Investment Trust. Dated: As of August 26, 2003 North Star Partners, L.P. By: Ns Advisors, LLC, General Partner By: /S/Andrew R. Jones Andrew R. Jones, Manager Ns Advisors, LLC By: /S/Andrew R. Jones Andrew R. Jones, Manager /S/Andrew R. Jones Andrew R. Jones, Individually