EXHIBIT A: JOINT FILING AGREEMENT
The undersigned hereby agree to the joint filing of Amendment No. 7 to
the Schedule 13D to which this Agreement is attached.
August 19, 2009 SOFTBANK CAPITAL PARTNERS LP
By: SOFTBANK CAPITAL PARTNERS LLC,
its General Partner
By: /s/ Xxxxxx X. Xxxxxx
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Name: Xxxxxx X. Xxxxxx
Title: Administrative Member
SOFTBANK CAPITAL LP
By: SOFTBANK CAPITAL PARTNERS LLC,
its General Partner
By: /s/ Xxxxxx X. Xxxxxx
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Name: Xxxxxx X. Xxxxxx
Title: Administrative Member
SOFTBANK CAPITAL ADVISORS FUND LP
By: SOFTBANK CAPITAL PARTNERS LLC,
its General Partner
By: /s/ Xxxxxx X. Xxxxxx
Name: Xxxxxx X. Xxxxxx
Title: Administrative Member
SOFTBANK CAPITAL PARTNERS LLC
By: /s/ Xxxxxx X. Xxxxxx
--------------------------------
Name: Xxxxxx X. Xxxxxx
Title: Administrative Member
XXXXXX X. XXXXXX
/s/ Xxxxxx X. Xxxxxx
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