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CUSIP No. 013716105
EXHIBIT 1
JOINT FILING AGREEMENT
Dated October 5, 2000
We, the undersigned, hereby express our agreement that the attached
Schedule 13D is, and any future amendments thereto may be, filed by BZ Group
Holding Limited, Spezialitaeten Vision AG or Stillhalter Vision AG on behalf of
each of us.
BZ GROUP HOLDING LIMITED,
a Swiss corporation
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<S> <C>
/s/ Kurt Schiltknecht /s/ Ralph Stadler
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By: Kurt Schiltknecht By: Ralph Stadler
Its: Director Its: Secretary and General Counsel
SPEZIALITAETEN VISION AG,
a Swiss corporation
/s/ Kurt Schiltknecht /s/ Ralph Stadler
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By: Kurt Schiltknecht By: Ralph Stadler
Its: General Manager Its: Secretary
STILLHALTER VISION AG,
a Swiss corporation
/s/ Kurt Schiltknecht /s/ Ralph Stadler
-------------------------------------------- -------------------------------------------
By: Kurt Schiltknecht By: Ralph Stadler
Its: Director Its: Secretary
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