EXHIBIT 99.20
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(f) of the Securities Exchange Act of 1934, as
amended, the undersigned hereby agree to the joint filing on behalf of each of
us of an amendment to Schedule 13D relating to the Common Stock, par value
$.01 per share, of Allied Waste Industries, a Delaware corporation, and that
any subsequent amendments thereto filed by any of us will be filed on behalf
of each of us. This Agreement may be included as an exhibit to such joint
filing.
BLACKSTONE CAPITAL PARTNERS II
MERCHANT BANKING FUND L.P.
By: BLACKSTONE MANAGEMENT
ASSOCIATES II L.L.C., its general partner
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
BLACKSTONE OFFSHORE CAPITAL PARTNERS II L.P.
By: BLACKSTONE MANAGEMENT ASSOCIATES II L.L.C.,
its investment general partner
By: /s/ Xxxxxx Xxxxxx
_______________________
Sr. Managing Director
BLACKSTONE FAMILY INVESTMENT PARTNERSHIP II L.P.
By: BLACKSTONE MANAGEMENT ASSOCIATES II L.L.C.,
its general partner
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
BLACKSTONE MANAGEMENT ASSOCIATES II L.L.C.
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
2
BLACKSTONE CAPITAL PARTNERS III
MERCHANT BANKING FUND L.P.
By: BLACKSTONE MANAGEMENT ASSOCIATES III L.L.C.,
its general partner
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
BLACKSTONE OFFSHORE CAPITAL PARTNERS III L.P.
By: BLACKSTONE MANAGEMENT
ASSOCIATES III L.L.C., its investment
general partner
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
BLACKSTONE FAMILY INVESTMENT PARTNERSHIP III L.P.
By: BLACKSTONE MANAGEMENT ASSOCIATES III L.L.C.,
its general partner
By: /s/ Xxxxxx Xxxxxx
________________________
Sr. Managing Director
BLACKSTONE MANAGEMENT ASSOCIATES III L.L.C.
By: /s/ Xxxxxx Xxxxxx
_________________________
Sr. Managing Director
/s/ Xxxxx X. Xxxxxxxx
________________________
Xxxxx X. Xxxxxxxx
/s/ Xxxxxxx X. Schwarzman__________________
-------------------------
Xxxxxxx X. Xxxxxxxxxx
Dated: August 7, 2003
