BP 2010 Annual Report Download - page 136

Additionalinformationforshareholders
Sharepricesandlistings
Markets and market prices
TheprimarymarketforBP’sordinarysharesistheLondonStockExchange
(LSE).BP’sordinarysharesareaconstituentelementoftheFinancialTimes
StockExchange100Index.BP’sordinarysharesarealsotradedonthe
FrankfurtstockexchangeinGermany.
TradingofBP’ssharesontheLSEisprimarilythroughtheuseofthe
StockExchangeElectronicTradingService(SETS),introducedin1997for
thelargestcompaniesintermsofmarketcapitalizationwhoseprimary
listingistheLSE.UnderSETS,buyandsellordersatspecicpricesmaybe
sentelectronicallytotheexchangebyanyrmthatisamemberofthe
LSE,onbehalfofaclientoronbehalfofitselfactingasaprincipal.The
ordersarethenanonymouslydisplayedintheorderbook.Whenthereisa
matchonabuyandasellorder,thetradeisexecutedandautomatically
reportedtotheLSE.Tradingiscontinuousfrom8.00a.m.to4.30p.m.UK
timebut,intheeventofa20%movementinthesharepriceeitherway,
theLSEmayimposeatemporaryhaltinthetradingofthatcompany’s
sharesintheorderbooktoallowthemarkettore-establishequilibrium.
Dealingsinordinarysharesmayalsotakeplacebetweenaninvestoranda
market-maker,viaamemberrm,outsidetheelectronicorderbook.
IntheUS,thecompany’ssecuritiesaretradedintheformofADSs,
forwhichJPMorganChaseBank,N.A.isthedepositary(theDepositary)
andtransferagent.TheDepositary’sprincipalofceis1ChaseManhattan
Plaza,Floor58,NewYork,NY10005-1401,US.EachADSrepresentssix
ordinaryshares.ADSsarelistedontheNewYorkStockExchange.ADSs
areevidencedbyAmericandepositaryreceipts(ADRs),whichmaybe
issuedineithercerticatedorbookentryform.
Thefollowingtablesetsforthfortheperiodsindicatedthehighest
andlowestmiddlemarketquotationsforBP’sordinarysharesandADSs
fortheperiodsshown.Thesearederivedfromthehighestandlowest
salespricesasreportedontheLSEandNewYorkStockExchange
(NYSE),respectively.
 Pence Dollars
          American
          depositary
       Ordinaryshares  sharesa
       High Low High Low
Yearended31December
2006       723.00 558.50 76.85 63.52
2007       640.00 504.50 79.77 58.62
2008       657.25 370.00 77.69 37.57
2009       613.40 400.00 60.00 33.71
2010       658.20 296.00 62.38 26.75
Yearended31December
2009: Firstquarter     566.50 400.00 49.83 33.71
  Secondquarter     543.75 426.50 53.24 38.50
  Thirdquarter     568.50 459.25 55.61 44.63
  Fourthquarter     613.40 528.00 60.00 50.60
2010: Firstquarter     640.10 555.00 62.38 52.00
  Secondquarter     658.20 296.00 60.98 26.75
  Thirdquarter     438.25 312.65 41.59 28.79
  Fourthquarter     479.00 418.25 44.83 39.58
2011: Firstquarter(to18February)     514.90 471.65 49.50 44.83
Monthof
September2010     436.15 375.75 41.30 35.67
October2010     443.50 418.25 42.08 39.58
November2010     459.20 420.70 44.37 39.76
December2010     479.00 426.15 44.83 40.15
January2011     514.90 479.00 49.50 44.83
February2011(to18February)     495.60 471.65 48.28 45.46
 
aAnADSisequivalenttosix25-centordinaryshares.
MarketpricesfortheordinarysharesontheLSEandinafter-hourstrading
offtheLSE,ineachcasewhiletheNYSEisopen,andthemarketpricesfor
ADSsontheNYSEarecloselyrelatedduetoarbitrageamongthevarious
markets,althoughdifferencesmayexistfromtimetotimeduetovarious
factors,includingUKstampdutyreservetax.
On18February2011,814,755,024ADSs(equivalentto
approximately4,888,530,144ordinarysharesorsome26.01%ofthetotal
issuedsharecapital,excludingsharesheldintreasuryandsharesbought
backforcancellation)wereoutstandingandwereheldbyapproximately
114,834ADSholders.Ofthese,about113,490hadregisteredaddressesin
theUSatthatdate.OneoftheregisteredholdersofADSsrepresents
some795,382underlyingholders.
On18February2011,therewereapproximately314,847holdersofrecord
ofordinaryshares.Oftheseholders,around1,574hadregisteredaddresses
intheUSandheldatotalofsome4,289,836ordinaryshares.
SincecertainoftheordinarysharesandADSswereheldbybrokers
andothernominees,thenumberofholdersofrecordintheUSmaynot
berepresentativeofthenumberofbenecialholdersoroftheircountry
ofresidence.
134BPAnnualReportandForm20-F2010