$OPLN 424B3 SEC Filings

Filed On	Filing
08 Nov 2013	424B3
06 Nov 2013	PRELIMINARY PROSPECTUS SUPPLEMENT
23 Sep 2013	FINAL PROSPECTUS SUPPLEMENT
19 Sep 2013	PRELIMINARY PROSPECTUS SUPPLEMENT
09 Aug 2013	424B3
06 Aug 2013	PRELIMINARY PROSPECTUS SUPPLEMENT
06 Jun 2013	FINAL PROSPECTUS SUPPLEMENT
03 Jun 2013	PRELIMINARY PROSPECTUS SUPPLEMENT
08 Mar 2013	FINAL PROSPECTUS SUPPLEMENT
04 Mar 2013	424B3
07 Dec 2012	FINAL PROSPECTUS SUPPLEMENT
30 Nov 2012	PRELIMINARY PROSPECTUS SUPPLEMENT
04 May 2011	PROSPECTUS SUPPLEMENT NO.10
26 Apr 2011	PROSPECTUS SUPPLEMENT NO. 9
24 Feb 2011	PROSPECTUS SUPPLEMENT NO. 8
16 Feb 2011	PROSPECTUS SUPPLEMENT NO. 7
15 Dec 2010	424(B)(3)
02 Dec 2010	PROSPECTUS SUPPLEMENT NO. 5
12 Nov 2010	PROSPECTUS SUPPLEMENT NO. 4
04 Nov 2010	PROSPECTUS SUPPLEMENT