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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1473061	Postrock Energy Corp	PSTR	Crude Petroleum & Natural Gas (1311)	270981065

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
935356	J Thomas Edelman	777 Main Street Suite 2500 Fort Worth TX 76102	Yes	No	No	No
1201989	A Ben Guill	600 Travis Suite 6000 Houston TX 77002	Yes	No	Yes	No
1467859	L.p. Energy Deer White	700 Louisiana Street Houston TX 77002	Yes	No	Yes	No
1477741	L.p. Te Energy Deer White	700 Louisiana Street Houston TX 77002	Yes	No	Yes	No
1492479	White Deer Energy Fi, L.p.	700 Louisiana Street Suite 4770 Houston TX 77002	Yes	No	Yes	No
1500937	Ltd. Energy Guill & Edelman	700 Louisiana Street Suite 4770 Houston TX 77002	Yes	No	Yes	No
1500938	L.p. Energy Guill & Edelman	700 Louisiana Street Suite 4770 Houston TX 77002	Yes	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-02-09	2,039,527	$3.44	2,039,527	No	4	P	Indirect	By White Deer Energy L.P.
Common Stock	Acquisiton	2012-02-09	67,766	$3.44	67,766	No	4	P	Indirect	By White Deer Energy TE L.P.
Common Stock	Acquisiton	2012-02-09	72,940	$3.44	72,940	No	4	P	Indirect	By White Deer Energy FI L.P.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	By White Deer Energy L.P.
No	4	P	Indirect	By White Deer Energy TE L.P.
No	4	P	Indirect	By White Deer Energy FI L.P.

Footnotes

Mr. Edelman has been appointed as a director of the Issuer. Edelman & Guill Energy L.P. is the general partner of each of White Deer Energy L.P., White Deer Energy TE L.P. and White Deer Energy FI L.P. (collectively, the "Funds"), Edelman & Guill Energy Ltd. is the general partner of Edelman & Guill Energy L.P., and Messrs. Edelman and Guill are the directors of Edelman & Guill Energy Ltd. Accordingly, each of Edelman & Guill Energy Ltd., Edelman & Guill Energy L.P. and Messrs. Edelman and Guill may be deemed to control the decisions of the Funds. The Reporting Persons disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interests therein, and this report shall not be deemed an admission that the reporting persons are the beneficial owners of these securities for purposes of Section 16 or for any other purpose.