From a news release

BERLIN�Sep 25, 2005 ��Luxury sports car maker Porsche AG said Sunday it
plans to acquire a stake of about 20 percent in Volkswagen AG, a move aimed
at strengthening ties between the automakers and preventing a future hostile
takeover of Volkswagen.
Porsche said Volkswagen has become "a significant supplier for about 30
percent of our sales volume" as well as "an important partner in
development."
The two companies worked together to develop Porsche's Cayenne sport utility
vehicle and Volkswagen's Touareg. They recently announced that they, along
with Audi AG, were forming an alliance to develop hybrid engines.
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Looks like 60 years of partnership on the side to become partners
officially.  Is this like living together for 60 years and then deciding to
get married??

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From another article the purchase will involve Porsche doing it as a stock
purchase with 4 billion in cash.

jimt