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Certifications
SEC CERTIFICATIONS
| Section 302 Certification of Chief Executive Officer |
| 2007 |
Q1 |
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| 2006 |
Q1 |
Q2 |
Q3 |
Q4 |
| 2005 |
Q4 |
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| Section 302 Certification of Chief Financial Officer |
| 2007 |
Q1 |
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| 2006 |
Q1 |
Q2 |
Q3 |
Q4 |
| 2005 |
Q4 |
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| 18 U.S.C. Section 1350 Certification of Chief Executive Officer |
| 2007 |
Q1 |
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| 2006 |
Q1 |
Q2 |
Q3 |
Q4 |
| 2005 |
Q4 |
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| 18 U.S.C. Section 1350 Certification of Chief Financial Officer |
| 2007 |
Q1 |
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| 2006 |
Q1 |
Q2 |
Q3 |
Q4 |
| 2005 |
Q4 |
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NYSE CERTIFICATIONS
2007
2006
2005
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