120Woodside Petroleum Ltd|Annual Report 2018
NOTES TO THE FINANCIAL STATEMENTS C. DEBT AND CAPITAL
for the year ended 31 December 2018
C.3 Contributed equity (cont.)
(b) Shares reserved for employee share plans
Numberof
shares USm
Year ended 31 December 2018
Opening balance  ()
Purchases during the year  ()
Vested during the year () 
Amounts at 31 December 2018  ()
Year ended 31 December 2017
Opening balance  ()
Purchases during the year  ()
Vested during the year () 
Amounts at 31 December 2017  ()
C.4 Other reserves
 
USm USm
Other reserves
Employee benefits reserve  
Foreign currency translation reserve  
Hedging reserves () ()
 
Reserve Natureandpurpose
Employee benefits reserve Used to record share-based payments
associated with the employee share plans and
remeasurement adjustments relating to the
defined benefit plan.
Foreign currency
translation reserve Used to record foreign exchange dierences
arising from the translation of the financial
statements of foreign entities from their functional
currency to the Group’s presentation currency.
Hedging reserve Used to record gains and losses on hedges
designated as cash flow hedges and foreign
currency basis spread arising from the designation
of a financial instrument as a hedging instrument.
Gains and losses accumulated in the cash flow
hedge reserve are taken to the income statement
in the same period during which the hedged
expected cash flows aect the income statement.