Barclays, Base Prospectus 2006

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(a) that fifth Exchange Business Day shall be deemed to be the Equity Valuation Date,
notwithstanding the fact that such day is a Disrupted Day; and
(b) the Determination Agent shall determine its good faith estimate of the value of the Shares
as of the Equity Valuation Time on that fifth Exchange Business Day.
[[If "Determination Agent Adjustment" is specified in the Final Terms]
(4) Extraordinary Event. In the event of an Extraordinary Event the Determination Agent shall
make such adjustments to the redemption, settlement, payment or any other terms of the [Notes]
[Certificates] as the Determination Agent determines appropriate to account for the economic
effect on the [Notes] [Certificates] of such Extraordinary Event upon the Determination Agent
having given not less than [5] [specify] Business Days' notice to the [Noteholders]
[Certificateholders] in accordance with §12; and not less than 7 Business Days before the giving
of such notice, notice to the Fiscal Agent [(unless the Fiscal Agents acts as Determination
Agent)]].
[In case of Commodity Linked [Notes] [Certificates] insert the following provisions:]
§4b
(Specific Definitions)
"Commodity Business Day" means (a) in respect of any [Note] [Certificate] for which the Commodity
Reference Price is a price announced or published by an Exchange, a day that is (or, but for the
occurrence of a Commodity Market Disruption Event, would have been) a day on which that Exchange
is open for trading during its regular trading session, notwithstanding any such Exchange closing prior
to its schedules closing time; and (b) in respect of any [Note] [Certificate] for which the Commodity
Reference Price is not announced or published by an Exchange, a day in respect of which the relevant
Price Source published (or, but for the occurrence of a Commodity Market Disruption Event, would
have published) a price.
"Commodity Linked [Note] [Certificate]" means a [Note] [Certificate], payments in respect of which
will be calculated by reference to the price of a Notional Quantity of the Relevant Commodity for
delivery on the Delivery Date, each as specified in the applicable Final Terms.
"Commodity Linked Redemption Amount" means an amount calculated by the Determination Agent
on the Commodity Valuation Date at the Commodity Valuation Time in accordance with the following
formula: [insert relevant formula] and which shall always be equal to or greater than zero and, in the
event that such amount will be less than zero, shall be deemed to be zero [if so specified in the Final
Terms].
"Commodity Reference Asset Amount" means and amount calculated by the Determination Agent on
the Commodity Valuation Date at the Commodity Valuation Time in accordance with the following
formula: [insert relevant formula].
"Commodity Reference Price" means [specify] [in relation to a Commdity Linked [Note]
[Certificate], the commodity reference price specified in the applicable Final Terms].
"Commodity Valuation Date" means [insert date].
"Commodity Valuation Time" means [insert time and Financial Center] on the Commodity
Valuation Date.
"Delivery Date" means [specify whether the Commodity Reference Price will be based on a certain
delivery date or month (e.g. the spot market, the First Nearby Month, the Second Nearby Month etc. or
some other methodology)].
"Disappearance of Commodity Reference Price" means (i) the permanent discontinuation of trading
in the relevant Futures Contract on the relevant Exchange; (ii) the disappearance of, or of trading in, the
Relevant Commodity; or (iii) the disappearance or permanent discontinuance or unavailability of a