EXHIBIT 99.1
Pursuant to Rule 13d-1(k) of Regulation 13D-G of the General Rules
and Regulations of the Securities and Exchange Commission under the
Securities Exchange Act of 1934, as amended, the undersigned agree that the
statement to which this Exhibit is attached is filed on behalf of each of
them in the capacities set forth below.
MAFCO HOLDINGS INC.
By: /s/ Glenn P. Dickes
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Name: Glenn P. Dickes
Title: Senior Vice President
PX HOLDING CORPORATION
By: /s/ Glenn P. Dickes
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Name: Glenn P. Dickes
Title: Vice President