AGF Investments America Inc.

Holdings History for PATTERSON UTI ENERGY INC - Common Stock, $0.01 Par Value (PTEN)

Symbol: PTEN on Nasdaq
Investment type: Equity / Common Stock, $0.01 Par Value

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2012		-0.06%	$0	0	-11,400	-100%	$8.34	Q4 2012
30 Sep 2012	0.06%	-0.03%	$181,000	11,400	-5,600	-33%	$15.88	Q3 2012
30 Jun 2012	0.09%	+0.02%	$248,000	17,000	+3,500	+26%	$14.59	Q2 2012
31 Mar 2012	0.1%	-0.28%	$233,000	13,500	-36,700	-73%	$17.26	Q1 2012
31 Dec 2011	0.44%	+0.02%	$1,003,000	50,200	+2,300	+4.8%	$19.98	Q4 2011
30 Sep 2011	0.43%	+0.14%	$831,000	47,900	+16,000	+50%	$17.35	Q3 2011
30 Jun 2011	0.47%	+0.13%	$1,008,000	31,900	+8,800	+38%	$31.60	Q2 2011
31 Mar 2011	0.44%	+0.44%	$679,000	23,100	+23,100	NEW	$29.39	Q1 2011

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.