EXHIBIT 1
JOINT FILING AGREEMENT
In accordance with Rule 13-d-1(f) under the Securities Exchange Act of
1934, as amended, each of the persons named below agrees to the joint filing
on behalf of each of them of a Statement on Schedule 13D (including
amendments thereto) with respect to the common stock, $.001 par value per
share, of Photogen Technologies, Inc., a Nevada corporation, and further
agrees that this Joint Filing Agreement be included as an exhibit to such
filings provided that, as contemplated by Rule 13d-1(f)(1)(ii), no person
shall be responsible for the completeness or accuracy of the information
concerning the other persons making the filing, unless such person knows or
has reason to believe that such information is inaccurate. This Joint Filing
Agreement may be executed in any number of counterparts, all of which taken
together shall constitute one and the same instrument.
Dated effective as of July 27, 1998.
/s/ Xxxx X. Xxxxxx
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XXXX X. XXXXXX
/s/ Xxxx X. Xxxxxxx
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XXXX X. XXXXXXX, Ph.D.
/s/ Xxxxx Xxxx
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XXXXX XXXX, Ph.D.
/s/ Xxxxxx X. Xxxxxx
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XXXXXX X. XXXXXX, Ph.X.
XXXXXX FAMILY INVESTMENT
LIMITED PARTNERSHIP
/s/ Xxxxxx Xxxxxx
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By: Xxxxxx Xxxxxx, Ph.D.
Its: General Partner
/s/ Xxxxxxx Xxxxx
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XXXXXXX XXXXX, Ph.X.
XXXXX FAMILY INVESTMENT
LIMITED PARTNERSHIP
/s/ Xxxxxxx Xxxxx
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By: Xxxxxxx Xxxxx, Ph.D.
Its: General Partner
/s/ Xxxxxx X. Xxxxxxxxx
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XXXXXX X. XXXXXXXXX, M.D.
W.F. INVESTMENTS ENTERPRISES,
LIMITED PARTNERSHIP
/s/ Xxxxxx X. Xxxxxxxxx
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By: Xxxxxx X. Xxxxxxxxx, M.D.
Its: General Partner
XXXXXX AND XXXX XXXXXXXXX
FAMILY FOUNDATION
/s/ Xxxxxx X. Xxxxxxxxx
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By: Xxxxxx X. Xxxxxxxxx, M.D.
Its: Secretary, Treasurer and Director
