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EXHIBIT 4
JOINT FILING AGREEMENT
The undersigned hereby agree to file jointly the Statement on
Schedule 13D (the "Schedule") relating to the Common Stock of Orphan Medical,
Inc. and any further amendments thereto which may be deemed necessary pursuant
to Regulation 13D or G promulgated under Section 13 of the Securities Exchange
Act of 1934, as amended.
It is understood and agreed that a copy of this Agreement shall be
attached as an exhibit to this Statement, filed upon behalf of each of the
parties hereto.
This Agreement may be executed in multiple counterparts, each of
which shall constitute an original, one and the same instrument.
IN WITNESS WHEREOF, each of the undersigned has executed this
Agreement as of July 31, 1998.
UBS CAPITAL II LLC
By: /s/ Xxxxxxx Xxxxxx
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Xxxxxxx Xxxxxx
Partner
By: /s/ Xxxx Xxxxx
--------------------------------
Xxxx Xxxxx
Chief Financial Officer
UBS CAPITAL HOLDINGS LLC
By: /s/ Xxxxxxx Xxxxxx
--------------------------------
Xxxxxxx Xxxxxx
President
By: /s/ Xxxx Xxxxx
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Xxxx Xxxxx
Chief Financial Officer
Page 20 of 21 pages.
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UBS AG
By: /s/ Xxxxxx Xxxxxxxxxx
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Xxxxxx Xxxxxxxxxx
Attorney-In-Fact
By: /s/ Xxxxx X. Xxxx
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Xxxxx X. Xxxx
Attorney-In-Fact
Page 21 of 21 pages.