PLAINS EXPL& PRODTN CO

CUSIP: 726505100 Class: COM

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

Note: Option positions (PUT/CALL) are excluded.

Q1 2013
Shares 2,800 Value ($000) $133 Avg Close Range
Q4 2012
Shares 2,800 Value ($000) $131 Avg Close Range
Q3 2012
Shares 2,800 Value ($000) $105 Avg Close Range
Q2 2012
Shares 2,800 Value ($000) $99 Avg Close Range
Q1 2012
Shares 2,800 Value ($000) $119 Avg Close Range
Q4 2011
Shares 2,800 Value ($000) $103 Avg Close Range
Q3 2011
Shares 2,800 Value ($000) $64 Avg Close Range
Q2 2011
Shares 2,800 Value ($000) $107 Avg Close Range
Q1 2011
Shares 2,800 Value ($000) $102 Avg Close Range
Q4 2010
Shares 1,400 Value ($000) $45 Avg Close Range
Q3 2010
Shares 1,400 Value ($000) $37 Avg Close Range
Q2 2010
Shares 1,400 Value ($000) $29 Avg Close Range
Q1 2010
Shares 1,400 Value ($000) $42 Avg Close Range
Q4 2009
Shares 1,400 Value ($000) $39 Avg Close Range
Q3 2009
Shares 1,400 Value ($000) $39 Avg Close Range
Q2 2009
Shares 1,400 Value ($000) $38 Avg Close Range
Q4 2008
Shares 1,400 Value ($000) $33 Avg Close Range
Q3 2008
Shares 1,400 Value ($000) $49 Avg Close Range
Q2 2008
Shares 1,400 Value ($000) $102 Avg Close Range
Q1 2008
Shares 1,400 Value ($000) $74 Avg Close Range
Q4 2007
Shares 1,400 Value ($000) $76 Avg Close Range