FLINT TELECOM GROUP, INC. Convertible Promissory Note

THIS NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR APPLICABLE STATE SECURITIES LAWS, AND MAY NOT BE SOLD, TRANSFERRED, OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR RECEIPT BY THE MAKER OF AN OPINION OF COUNSEL IN THE FORM, SUBSTANCE AND SCOPE REASONABLY SATISFACTORY TO THE MAKER THAT THIS NOTE AND THE SHARES OF COMMON STOCK ISSUABLE UPON CONVERSION HEREOF MAY BE SOLD, TRANSFERRED,  OR OTHERWISE DISPOSED OF, UNDER AN EXEMPTION FROM REGISTRATION UNDER THE ACT AND SUCH STATE SECURITIES LAWS.

For value received, Flint Telecom Group, Inc., a Nevada corporation whose principal office is located at 327 Plaza Real, Suite 319, Boca Raton, FL 33432 (the “ Maker ”), hereby promises to pay to the order of Michael Butler , (together with its successors, representatives, and permitted assigns, the “ Holder ”), in accordance with the terms hereinafter provided, the principal amount of One Million, Five Hundred and Sixteen Dollars ($1,516,000) .

All payments under or pursuant to this Note shall be made in United States Dollars in immediately available funds to the Holder at the address of the Holder first set forth above or at such other place as the Holder may designate from time to time in writing to the Maker or by wire transfer of funds to the Holder’s account, instructions for which are attached hereto as Exhibit A . The outstanding principal balance of this Note hereon shall be due and payable on December 31, 2010 (the “ Maturity Date ”) or at such earlier time as provided herein.

Section 1.1                                 Interest .  The Note shall not bear any interest.  

Section 1.3                                 No Security .  This Note and the amounts due hereunder are unsecured.

Section 1.4                                 Payment on Non-Business Days .  Whenever any payment to be made hereunder shall be due on a Saturday, Sunday or a public holiday under the laws of the State of Florida, such payment may be due on the next succeeding business day and such next succeeding day shall be included in the calculation of the amount of accrued interest payable on such date.

Section 1.5                                 ­Transfer .  Subject to the provisions of Section 4.8 of this Note, this Note may be transferred or sold or pledged, hypothecated or otherwise granted as security by the Holder.

Section 1.6                                 ­Replacement .  Upon receipt of a duly executed, notarized and unsecured written statement from the Holder with respect to the loss, theft or destruction of this Note (or any replacement hereof) and a standard indemnity, or, in the case of a mutilation of this Note, upon surrender and cancellation of such Note, the Maker shall issue a new Note, of like tenor and amount, in lieu of such lost, stolen, destroyed or mutilated Note.

Section 2.1                                 ­Events of Default .  The occurrence of any of the following events shall be an “ Event of Default ” under this Note:

(a)           the Maker shall fail to make any principal payments on the date such payments are due and such default is not fully cured within five (5) business days after the occurrence thereof; or

(b)           the Maker’s notice to the Holder, including by way of public announcement, at any time, of Maker’s inability to comply (including for any of the reasons described in Section 3.6(a) hereof) or its intention not to comply with proper requests for conversion of this Note into shares of Common Stock; or

(c)           the Maker shall fail to timely deliver the shares of Common Stock upon conversion of the Note, which failure of this Section 2.1(c) is not remedied within ten (10) business days after the occurrence thereof; or

(d)           the Maker shall (i) apply for or consent to the appointment of, or the taking of possession by, a receiver, custodian, trustee or liquidator of itself or of all or a substantial part of its property or assets, (ii) make a general assignment for the benefit of its creditors, (iii) commence a voluntary case under the United States Bankruptcy Code (as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or domestic), (iv) file a petition seeking to take advantage of any bankruptcy, insolvency, moratorium, reorganization or other similar law affecting the enforcement of creditors’ rights generally, (v) acquiesce in writing to any petition filed against it in an involuntary case under United States Bankruptcy Code (as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or domestic), (vi) issue a notice of bankruptcy or winding down of its operations or issue a press release regarding same, or (vii) take any action under the laws of any jurisdiction (foreign or domestic) analogous to any of the foregoing; or

(e)           a proceeding or case shall be commenced in respect of the Maker, without its application or consent, in any court of competent jurisdiction, seeking (i) the liquidation, reorganization, moratorium, dissolution, winding up, or composition or readjustment of its debts, (ii) the appointment of a trustee, receiver, custodian, liquidator or the like of it for all or any substantial part of its assets in connection with the liquidation or dissolution of the Maker or (iii) similar relief in respect of it under any law providing for the relief of debtors, and such proceeding or case described in clause (i), (ii) or (iii) shall continue undismissed, or unstayed and in effect, for a period of thirty (30) days or any order for relief shall be entered in an involuntary case under United States Bankruptcy Code (as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or domestic) against the Maker or action under the laws of any jurisdiction (foreign or domestic) analogous to any of the foregoing shall be taken with respect to the Maker and shall continue undismissed, or unstayed and in effect for a period of thirty (30) days; or

(f)           the Maker ceases to operate its business as a going concern.

Section 2.2                                 ­Remedies Upon An Event of Default .  If an Event of Default other than a default under Section 2.1(a) shall have occurred and shall be continuing, the Holder of this Note may at any time at its option, (a) declare the entire unpaid principal balance of this Note due and payable, and thereupon, the same shall be accelerated and so be due and payable, without presentment, demand, protest, or notice, all of which are hereby expressly unconditionally and irrevocably waived by the Maker, (b) exercise or otherwise enforce any one or more of the Holder’s rights, powers, privileges, remedies and interests under this Note.  No course of delay on the part of the Holder shall operate as a waiver thereof or otherwise prejudice the right of the Holder.  No remedy conferred hereby shall be exclusive of any other remedy referred to herein or now or hereafter available at law, in equity, by statute or otherwise.

Section 3.1                                 ­Conversion Option .  The Holder may convert this Note, in whole or in part, at t