EXHIBIT A JOINT FILING AGREEMENT
EXHIBIT A
In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as
amended, the persons named below agree to the joint filing on behalf of each of them a Statement on
Schedule 13D and Schedule 13G (including amendments thereto) with regard to the Common Stock of
Georgia Gulf Corporation, a Delaware corporation, and further agree that this Joint Filing
Agreement be included as an Exhibit to such joint filings. In evidence thereof, the undersigned,
being duly authorized, hereby execute this Joint Filing Agreement as of September 17, 2007.
Highland Multi-Strategy Onshore Master SubFund, L.L.C.
By: Highland Multi-Strategy Master Fund, L.P., its managing member
By: Highland Multi-Strategy Fund GP, L.P., its general partner
By: Highland Multi-Strategy Fund GP, L.L.C., its general partner
By: Highland Capital Management, L.P., its sole member
By: Strand Advisors, Inc., its general partner
By: Highland Multi-Strategy Fund GP, L.P., its general partner
By: Highland Multi-Strategy Fund GP, L.L.C., its general partner
By: Highland Capital Management, L.P., its sole member
By: Strand Advisors, Inc., its general partner
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Highland Multi-Strategy Master Fund, L.P.
By: Highland Multi-Strategy Fund GP, L.P., its general partner
By: Highland Multi-Strategy Fund GP, L.L.C., its general partner
By: Highland Capital Management, L.P., its sole member
By: Strand Advisors, Inc., its general partner
By: Highland Multi-Strategy Fund GP, L.L.C., its general partner
By: Highland Capital Management, L.P., its sole member
By: Strand Advisors, Inc., its general partner
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Highland Equity Opportunities Fund
By: Highland Fund I, its management investment company
By: Highland Fund I, its management investment company
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Highland Capital Management, L.P.
By: Strand Advisors, Inc., its general partner
By: Strand Advisors, Inc., its general partner
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Strand Advisors, Inc. |
||||
By: | /s/ Xxxxx X. Xxxxxxx | |||
Xxxxx X. Xxxxxxx, President | ||||
Xxxxx X. Xxxxxxx |
||||
/s/ Xxxxx X. Xxxxxxx | ||||
H-693425.1: Highland SC 13G [GGC]
Page 11