X0303 4 2011-05-19 0 0001329605 PLATINUM ENERGY RESOURCES INC PGRI 0001465409 Pacific International Group Holdings LLC 9440 WEST SAHARA AVENUE, SUITE 240 LAS VEGAS NV 89117 0 0 1 0 0001429082 GHERMEZIAN SYD 9440 WEST SAHARA AVENUE, SUITE 240 LAS VEGAS NV 89117 0 0 1 0 Common Stock, par value $0.0001 per share 2011-05-19 4 P 0 91884 A 13582180 D Common Stock, par value $0.0001 per share 2010-05-19 4 J 0 91884 A 13582180 I SEE FOOTNOTES Common Stock, par value $0.0001 per share 2010-05-20 4 P 0 5000 A 13587180 D Common Stock, par value $0.0001 per share 2010-05-20 4 J 0 5000 A 13587180 I SEE FOOTNOTES Common Stock, par value $0.0001 per share 2010-05-20 4 P 0 1250 A 13588430 D Common Stock, par value $0.0001 per share 2010-05-20 4 J 0 1250 A 13588430 I SEE FOOTNOTES This is a joint filing by Pacific International Group Holdings LLC ("Pacific") and Syd Ghermezian (collectively, the "Reporting Persons"). (continued in footnote 2) (continued from footnote 1) On May 19, 2011, Pacific acquired an aggregate of 91,884 shares of Common Stock from a third party for the cash price of $1.50 per share, or the aggregate amount of $137,826.00. On May 20, 2011, Pacific acquired an aggregate of 5,000 shares of Common Stock from a third party for the cash price of $1.50 per share, or the aggregate amount of $7,500.00. On May 20, 2011, Pacific acquired an aggregate of 1,250 shares of Common Stock through open market purchases for a cash price of $1.50 per share, or the aggregate amount of $1,875.00. (continued in footnote 3) (continued from footnote 2) The ultimate economic interest in Pacific is held by certain members of the Ghermezian family through their direct or indirect ownership of various entities that own Pacific. Syd Ghermezian is the Manager of Pacific. As such, Mr. Ghermezian may be deemed to be the indirect beneficial owner with shared voting and dispositive power of the shares of Common Stock that Pacific may be deemed to directly beneficially own. Therefore, Mr. Ghermezian may be deemed to be the indirect beneficial owner with shared voting and dispositive power of the aggregate 98,134 shares of Common Stock that Pacific has acquired. (continued in footnote 4) (continued from footnote 3) Pacific and Mr. Ghermezian may be regarded as a group. However, Pacific and Mr. Ghermezian disclaim beneficial ownership of the securities owned directly or indirectly by each other, except for their respective pecuniary interests therein. Pacific and Mr. Ghermezian also disclaim membership in any group. This filing shall not constitute an acknowledgement that either Pacific or Mr. Ghermezian is part of any group. /s/ Syd Ghermezian, Manager, Pacific International Group Holdings LLC 2011-05-23 /s/ Syd Ghermezian 2011-05-23