JOINT FILING AGREEMENT
Exhibit B.4
Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as
amended, the undersigned agree that the Statement on Schedule 13D to which this exhibit is attached
is filed on behalf of each of them.
Date:
May 2, 2007
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| ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇, individually and as a Trustee for ▇▇▇▇▇ Grandchildren Trust, the DC James Trust, the ▇▇ ▇▇▇▇▇▇ Trust, the DC Patrick Trust, the DC ▇▇▇▇▇▇▇▇ Trust, the DC ▇▇▇▇▇▇▇▇ Trust, the DC ▇▇▇▇▇▇▇ Trust, the CFD Trust No. 1, the CFD Trust No. 2, the CFD Trust No. 3, the CFD Trust No. 4, the CFD Trust No. 5 and the CFD Trust No. 6, and as Trustee of the ▇▇▇▇▇▇▇ ▇▇▇▇▇ 1989 Trust, the ▇▇▇▇ ▇▇▇▇▇ 1989 Trust and the ▇▇▇▇ ▇▇▇▇▇ 1989 Trust | ||||||
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| ▇▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇, as a Trustee of the ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ 2001 Family Trust | ||||||
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| ▇▇▇▇▇ ▇. ▇▇▇▇▇, as a Trustee of the ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇ 2001 Family Trust | ||||||
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| ▇▇▇▇ ▇. ▇▇▇▇▇, as a Trustee of the ▇▇▇▇▇ Grandchildren Trust the D.C. ▇▇▇▇▇▇▇▇ Trust, the D.C. James Trust, the CFD Trust No. 1 and the CFD Trust No. 6 | ||||||
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| ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇, as a Trustee of the D.C. ▇▇▇▇▇▇▇▇ Trust, the ▇.▇. ▇▇▇▇▇▇ Trust, the CFD Trust No. 3 and the CFD Trust No. 5 | ||||||
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| ▇▇▇▇ ▇. ▇▇▇▇▇, as a Trustee of the D.C. ▇▇▇▇▇▇▇ Trust, the D.C. Patrick Trust, the CFD Trust No. 2 and the CFD Trust No. 4 | ||||||
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* By:
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| As Attorney-in-Fact |