Exhibit 10.2

AMENDMENT NO. 2 TO

FIRST AMENDED AND RESTATED

REGISTRATION RIGHTS AGREEMENT

This Amendment No. 2, dated August 1, 2012 (this “Amendment”), to the First
Amended and Restated Registration Rights Agreement dated as of August 8, 2011
(the “Agreement”), by and among PostRock Energy Corporation, a Delaware
corporation (together with any successor entity thereto, the “Corporation”),
White Deer Energy L.P., a Cayman Islands exempted limited partnership (“White
Deer”), White Deer Energy TE L.P., a Cayman Islands exempted limited partnership
(“White Deer TE”) and White Deer Energy FI L.P. a Cayman Islands exempted
limited partnership (together with White Deer and White Deer TE, the “White Deer
Stockholders”) and Constellation Energy Commodities Group, Inc., a Delaware
corporation, is made by and among the Corporation and the White Deer
Stockholders in accordance with Section 9(b) of the Agreement.

WHEREAS, pursuant to the Securities Purchase Agreement, dated as of the date
hereof, by and among the Corporation and the White Deer Stockholders (the
“August 2012 Purchase Agreement”) the Corporation issued and sold to the White
Deer Stockholders and the White Deer Stockholders purchased from the
Corporation 3,076,923 shares of Common Stock, 600 shares of Series A Shares and
White Deer Warrants to purchase 3,076,923 shares of Common Stock; and

WHEREAS, to induce the White Deer Stockholders to enter into the August 2012
Purchase Agreement and to consummate the transactions contemplated therein, the
Corporation agreed to provide the registration and other rights set forth in
this Amendment for the benefit of the White Deer Stockholders.

NOW, THEREFORE, in consideration of the mutual terms, conditions and agreements
contained herein, and of other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, and intending to be legally bound
hereby, the parties hereto hereby agree as follows:

 

1. Defined Terms. Except as otherwise defined herein, capitalized terms used
herein will have the definitions ascribed to them in the Agreement.

 

2. Definition Section. Section 1 of the Agreement is hereby amended to add the
following definition: “August 2012 Purchase Agreement: The Securities Purchase
Agreement by and among PostRock Energy Corporation, White Deer Energy L.P.,
White Deer Energy TE L.P. and White Deer Energy FI L.P., dated August 1, 2012.”.

 

3. Registrable Securities Definition. The definition of “Registrable Securities”
in Section 1 of the Agreement is hereby amended to add the following after the
first word of such definition: “Series A Shares issued to the White Deer
Stockholders pursuant to the August 2012 Purchase Agreement, shares of Common
Stock issued to the White Deer Stockholders pursuant to the August 2012 Purchase
Agreement, shares of Common Stock that may be issued to the White Deer
Stockholders upon the exercise of the Warrants issued to such White Deer
Stockholders pursuant to the August 2012 Purchase Agreement, the”.

 

4.

Miscellaneous. Except as expressly amended hereby, the Agreement shall remain
unchanged, and the Agreement, as so amended, shall continue in full force and
effect in accordance with its terms. For the avoidance of doubt, the provisions
of Section 9 of the Agreement shall apply to this Amendment mutatis mutandis.
This Amendment may be executed by the parties hereto in separate counterparts,

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each of which when so executed shall be deemed to be an original and all of
which taken together shall constitute one and the same agreement. Executed
signature pages to this Amendment may be delivered by PDF (Portable Document
Format) or facsimile and such PDFs or facsimiles will be deemed as sufficient as
if actual signature pages had been delivered.

*     *     *     *     *

 

2

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IN WITNESS WHEREOF, the parties have executed this Amendment as of the date
first above written.

 

THE COMPANY: POSTROCK ENERGY CORPORATION By:   /s/ Terry W. Carter  

 

Name:       Terry W. Carter Title:       President and Chief Executive Officer

Signature Page to Amendment No. 2 to First A&R Registration Rights Agreement

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WHITE DEER STOCKHOLDERS: WHITE DEER ENERGY L.P. By:   Edelman & Guill Energy
L.P., its general partner By:   Edelman & Guill Energy Ltd., its general partner
By:   /s/ Thomas J. Edelman  

 

  Name: Thomas J. Edelman   Title: Director Address for Notice:   White Deer
Energy L.P.   667 Madison Ave, 4th Floor   New York, New York 10065   Attention:
Thomas J. Edelman   Facsimile: (212) 888-6877   and   White Deer Energy L.P.  
700 Louisiana, Suite 4770   Houston, Texas 77002   Attention: James E. Saxton  
Facsimile: (713) 581-6901

Signature Page to Amendment No. 2 to First A&R Registration Rights Agreement

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WHITE DEER ENERGY TE L.P. By:   Edelman & Guill Energy L.P., its general partner
By:   Edelman & Guill Energy Ltd., its general partner By:  

/s/ Thomas J. Edelman

  Name: Thomas J. Edelman   Title: Director Address for Notice:   c/o White Deer
Energy L.P.   667 Madison Ave, 4th Floor   New York, New York 10065   Attention:
Thomas J. Edelman   Facsimile: (212) 888-6877   and   c/o White Deer Energy L.P.
  700 Louisiana, Suite 4770   Houston, Texas 77002   Attention: James E. Saxton
  Facsimile: (713) 581-6901

Signature Page to Amendment No. 2 to First A&R Registration Rights Agreement

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WHITE DEER ENERGY FI L.P. By:   Edelman & Guill Energy L.P., its general partner
By:   Edelman & Guill Energy Ltd., its general partner By:   /s/ Thomas J.
Edelman  

 

  Name: Thomas J. Edelman   Title: Director Address for Notice:   c/o White Deer
Energy L.P.   667 Madison Ave, 4th Floor   New York, New York 10065   Attention:
Thomas J. Edelman   Facsimile: (212) 888-6877   and   c/o White Deer Energy L.P.
  700 Louisiana, Suite 4770   Houston, Texas 77002   Attention: James E. Saxton
  Facsimile: (713) 581-6901

Signature Page to Amendment No. 2 to First A&R Registration Rights Agreement