NOTICE: THIS NOTE HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, NOR UNDER
ANY STATE SECURITIES LAW AND MAY NOT BE PLEDGED, SOLD, ASSIGNED OR TRANSFERRED UNLESS (I) A
REGISTRATION STATEMENT WITH RESPECT THERETO IS EFFECTIVE UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, AND ANY APPLICABLE STATE SECURITIES LAW REQUIREMENTS HAVE BEEN MET OR (II) EXEMPTIONS
FROM THE REGISTRATION REQUIREMENTS UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND THE
REGISTRATION OR QUALIFICATION REQUIREMENTS OF APPLICABLE STATE SECURITIES LAWS ARE AVAILABLE.
Secured Revolving Replacement Promissory Note
US$5,000,000* December 1, 2005 (*Maximum Principal Amount)
FOR VALUE RECEIVED, the undersigned, Providence Exploration, LLC, a Texas limited liability company, with offices at 100
Crescent Court, Dallas, Texas 75201 (the “Maker”), unconditionally promises to pay to the order of Healthbridge, Inc., a Texas
corporation, with offices at 1066 West Hastings Street, Suite 2610, Vancouver, British Columbia, V6E 3X2 (the “Payee”), the
principal sum of five million U.S. Dollars (U.S. $5,000,000), or so much thereof as may be advanced and outstanding from time to
time pursuant to Section 4 of this Secured Revolving Replacement Promissory Note (this “Note”), together with interest on
such principal amount as provided below.
1. Interest. The unpaid principal balance of this Note shall bear interest from the date of this Note until this Note shall have
been paid in full at the lower of (i) Seven Percent (7%) per annum, or (ii) the maximum non-usurious rate of interest permissible
under applicable law; provided, however, that any amount not paid when due in accordance with the terms of this Note shall
bear interest from the date such payment was due until paid at the lower of (i) Fifteen Percent (15%) per annum or (ii) the
maximum non-usurious rate of interest permissible under applicable law.
2. Payment of Principal and Interest. Principal and accrued interest under this Note shall