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(1) The Frank H. Levinson Revocable Living Trust and the Wynnette M. LaBrosse Trust each own 50% of the shares of Seti Trading Co., Inc. (“Seti”), a holding company owning 6,485,000 shares of the issuer’s common stock. Frank H. Levinson and Wynnette M. LaBrosse are the sole directors of Seti and, consequently, the affirmative vote or consent of each of Mr. Levinson and Ms. LaBrosse is required for any sale or other disposition of the issuer’s shares held by Seti. However, pursuant to a shareholders’ agreement, with respect to any matter coming before the shareholders of the issuer, each of Mr. Levinson and Ms. LaBrosse maintain the right to direct Seti to vote 50% of the shares of the issuer held by Seti in accordance with written instructions from Mr. Levinson or Ms. LaBrosse, respectively. Accordingly, each of Mr. Levinson and Ms. LaBrosse have shared dispositive power with respect to all 6,485,000 shares held by Seti and sole voting power with respect to 3,242,500 shares of the issuer held by Seti. Mr. Levinson and Ms. LaBrosse disclaim the existence of a group under Rule 13d-5(b)(1) of the Securities Exchange Act of 1934, as amended, with respect to the 6,485,000 shares held by Seti. Neither Mr. Levinson nor Ms. LaBrosse is a member of a group with respect to any other shares of the issuer.

(2) 22,076,319 of the shares are held by the Frank H. Levinson Revocable Living Trust, of which Frank H. Levinson is the sole trustee. As sole trustee, Mr. Levinson exercises sole voting and dispositive power over the shares held by the trust. The amount held by the Frank H. Levinson Revocable Living Trust includes 440,000 shares subject to options currently exercisable or exercisable within 60 days of December 31, 2004. 3,242,500 of the shares are held by Seti. See also note (1).

(3) Held by the Frank H. Levinson Revocable Living Trust, of which Frank H. Levinson is the sole trustee. As sole trustee, Mr. Levinson exercises sole voting and dispositive power over the shares held by the trust.

(4) Held by Seti Trading Co., Inc., a holding company owned 50% by the Frank H. Levinson Revocable Living Trust and 50% by the Wynnette M. LaBrosse Trust. See also note (1).

(5) 2,654,618 shares held by the Irrevocable Trust of Frank H. and Wynnette L. Levinson dated July 15, 1999, 300,000 shares held by the adult children of Frank H. Levinson and Wynnette M. LaBrosse and 3,975,000 shares held by trusts for the children of Frank H. Levinson and Wynnette M. LaBrosse are disclaimed from beneficial ownership pursuant to Rule 13d-4.

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(6) Wynnette M. LaBrosse has previously filed a Schedule 13G and Schedules 13 G/A under the name Wynnette L. Levinson.

(7) The Wynnette M. LaBrosse Trust has previously filed a Schedule 13G and Schedules 13 G/A under the name the Wynnette L. Levinson Trust.

(8) 6,211,860 of the shares are held by the Wynnette M. LaBrosse Trust, of which Wynnette M. LaBrosse is the sole trustee. As sole trustee, Ms. LaBrosse exercises sole voting and dispositive power over the shares held by the trust. 3,242,500 of the shares are held by Seti. See also note (1).

(9) Held by the Wynnette M. LaBrosse Trust, of which Wynnette M. LaBrosse is the sole trustee. As sole trustee, Ms. LaBrosse exercises sole voting and dispositive power over the shares held by the trust.

(10) Comprised of 22,076,319 shares held by the Frank H. Levinson Revocable Living Trust (including 440,000 shares subject to options currently exercisable or exercisable within 60 days of December 31, 2004) and 6,485,000 shares held by Seti Trading Co., Inc., a holding company owned 50% by the Frank H. Levinson Revocable Living Trust and 50% by the Wynnette M. LaBrosse Trust.

(11) Comprised of 6,211,860 shares held by the Wynnette M. LaBrosse Trust and 6,485,000 shares held by Seti Trading Co., Inc., a holding company owned 50% by the Wynnette M. LaBrosse Trust and 50% by the Frank H. Levinson Revocable Living Trust.

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SIGNATURE

     After reasonable inquiry and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Date: February 23, 2005

     Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)

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EXHIBIT INDEX

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AGREEMENT TO JOINTLY FILE SCHEDULE 13G

     AGREEMENT dated as of February 23, 2005 by and among Frank H. Levinson, Wynnette M. LaBrosse, the Frank H. Levinson Revocable Living Trust and the Wynnette M. LaBrosse Trust (collectively, the “Reporting Persons”).

     WHEREAS, pursuant to paragraph (k) of Rule 13d-1 promulgated under Subsection 13(d)(1) of the Securities Exchange Act of 1934, as amended (the “Act”), the Reporting Persons hereto have decided to satisfy their filing obligations under the Act by a single joint filing:

     NOW, THEREFORE, the Reporting Persons hereby agree as follows:

     IN WITNESS WHEREOF, the undersigned hereunto set their hands as of the date first above written.

EXHIBIT A

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