part ii , item 8 schlumberger limited and subsidiaries shares of common stock ( stated in millions ) issued in treasury shares outstanding .
see the notes to consolidated financial statements .
Issued In Treasury Shares Outstanding
Balance, January 1, 2007 1,334 (156) 1,178
Shares sold to optionees less shares exchanged – 14 14
Shares issued under employee stock purchase plan – 2 2
Stock repurchase program – (16) (16)
Issued on conversions of debentures – 18 18
Balance, December 31, 2007 1,334 (138) 1,196
Shares sold to optionees less shares exchanged – 5 5
Shares issued under employee stock purchase plan – 2 2
Stock repurchase program – (21) (21)
Issued on conversions of debentures – 12 12
Balance, December 31, 2008 1,334 (140) 1,194
Shares sold to optionees less shares exchanged – 4 4
Vesting of restricted stock – 1 1
Shares issued under employee stock purchase plan – 4 4
Stock repurchase program – (8) (8)
Balance, December 31, 2009 1,334 (139) 1,195
issued in treasury shares outstanding
balance january 1 2007 1334 -156 ( 156 ) 1178
shares sold to optionees less shares exchanged 2013 14 14
shares issued under employee stock purchase plan 2013 2 2
stock repurchase program 2013 -16 ( 16 ) -16 ( 16 )
issued on conversions of debentures 2013 18 18
balance december 31 2007 1334 -138 ( 138 ) 1196
shares sold to optionees less shares exchanged 2013 5 5
shares issued under employee stock purchase plan 2013 2 2
stock repurchase program 2013 -21 ( 21 ) -21 ( 21 )
issued on conversions of debentures 2013 12 12
balance december 31 2008 1334 -140 ( 140 ) 1194
shares sold to optionees less shares exchanged 2013 4 4
vesting of restricted stock 2013 1 1
shares issued under employee stock purchase plan 2013 4 4
stock repurchase program 2013 -8 ( 8 ) -8 ( 8 )
balance december 31 2009 1334 -139 ( 139 ) 1195
if shares increase in the same amount as 2008 , what is the expected balance at the end of 2009?