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8-K
EX-99.1
6bx8b5g
8 Feb 11
Pioneer Natural Resources Reports
12:00am
8-K
EX-99.1
wknztkz
27 Oct 10
Pioneer Natural Resources Reports
12:00am
8-K
EX-99.1
ecovjc03 54
29 Jul 10
Pioneer Natural Resources Reports Second Quarter 2010 Results
12:00am
8-K
EX-99.1
gr46p1
5 May 10
Pioneer Natural Resources Reports Fourth Quarter 2010 Results
12:00am
8-K
EX-99
qbqp 7rxxouyl
3 Feb 10
Pioneer Natural Resources Reports Fourth Quarter 2009 Results
12:00am
8-K
EX-99
gkqvz
5 Aug 09
Pioneer Natural Resources Reports Second Quarter 2009 Results
12:00am
8-K
EX-99
tp850 28l
4 Feb 09
Pioneer Natural Resources Reports Fourth Quarter 2008 Results
12:00am
8-K
EX-99
gpdm2vmlw 68t
5 Nov 08
Pioneer Reports Third Quarter 2008 Results
12:00am