50 results
Page 3 of 3
425
EX-2.1
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17 Jun 11
Business combination disclosure
12:00am
424B5
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17 Sep 10
Prospectus supplement for primary offering
12:00am
424B3
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15 Sep 10
Prospectus supplement
12:00am
8-K/A
EX-2.2
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13 May 10
Entry into a Material Definitive Agreement
12:00am
8-K/A
EX-2.3
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13 May 10
Entry into a Material Definitive Agreement
12:00am
8-K/A
EX-2.1
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13 May 10
Entry into a Material Definitive Agreement
12:00am
8-K/A
EX-2.1
iog6pcizo1
26 Sep 08
Entry into a Material Definitive Agreement
12:00am
8-K
EX-10.2
g2t73
19 Sep 06
Agreements to Acquire Transwestern Pipeline
12:00am