Barclays, Base Prospectus 2006

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that the Determination Agent has determined that there is comparable liquidity relative to the futures or
options contracts relating to such Index or such Share on such temporary substitute exchange or
quotation system as on the original Related Exchange), provided however that where "All Exchanges"
is specified as the Related Exchange, "Related Exchange" shall mean each exchange or quotation
system (as the Determination Agent may select) where trading has a material effect (as determined by
the Determination Agent) on the overall market for futures or options contracts relating to such Index
or Share or, in any such case, any transferee or successor exchange of such exchange or quotation
system.
["Share Basket Transaction" means [this issue of [Notes] [Certificates]] [an issue of [Notes]
[Certificates] specified as such in the relevant Final Terms].]
"Share Issuer" means the issuer of the Shares.
"Shares" or "Underlying Securities" means [specify share or underlying securities].
"Scheduled Closing Time" means, in respect of an Exchange or Related Exchange and any day on
which each Exchange and each Related Exchange are scheduled to be open for trading for their
respective regular trading sessions, the scheduled weekday closing time of such Exchange or Related
Exchange on such Scheduled Trading Day, without regard to after hours or any other trading outside of
the regular trading session hours.
"Scheduled Trading Day" means in respect of an Index or a Share, any day on which each Exchange
and each Related Exchange specified hereon are scheduled to be open for trading for their respective
regular trading sessions.
"Trading Disruption" means in relation to a Share or an Index, any suspension of or limitation
imposed on trading by the relevant Exchange or Related Exchange or otherwise and whether by reason
of movements in price exceeding limits permitted by the relevant Exchange or Related Exchange or
otherwise (i) relating to the Share on the Exchange or, in the case of an Index, relating to securities that
comprise 20 per cent. or more of the level of that Index on any relevant Exchange or (ii) in futures or
options contracts relating to the Share or the relevant Index on any relevant Related Exchange.
"Valuation Date" means [each] [Index Valuation Date] [each Equity Valuation Date] [specify date].
"Valuation Time" means [[specify time and financial center] on the Valuation Date] [the time on the
Valuation Date specified for the valuation of an Index or Shares as specified in the relevant Final
Terms].
[In case of Index Linked [Notes] [Certificates] insert the following provisions:]
"Index" means [insert Index or Indices].
§4b
(Specific Definitions)
"Index Adjustment Event" means an Index Modification, Index Cancellation or Index Disruption, all
as defined in §4d(2) below.
"Index Basket Level" means an amount calculated by the Determination Agent by multiplying the
Index Level for each Index contained in the Basket with the proportion (expressed as a percentage rate)
specified for such Index [in the relevant Final Terms].
"Index Business Day" means any day that is (or, but for the occurrence of a Market Disruption Event,
would have been) a trading day on each Exchange and each Related Exchange, other than a day on
which trading on any such Exchange or Related Exchange is scheduled to close prior to its regular
weekday closing time.
"Index Component" means those securities, assets or reference values of which the Index is comprised
from time to time.