Common use of FORM OF OFFICER’S CERTIFICATE Clause in Contracts

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, (“Purchase Agreement”), by and between POKERTEK, INC., a North Carolina corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of ______ ____, 2013, (“Purchase Agreement”), by and between POKERTEKWESTMOUNTAIN GOLD, INC., a North Carolina Colorado corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of May _________, 2011, (“Purchase Agreement”), by and between POKERTEKGOLDEN PHOENIX MINERALS, INC., a North Carolina Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, (“Purchase Agreement”), by and between POKERTEK, INC.CYTOSORBENTS CORPORATION, a North Carolina Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, (“Purchase Agreement”), by and between POKERTEKGREEN EARTH TECHNOLOGIES, INC., a North Carolina Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________June 6, 2013, (“Purchase Agreement”), by and between POKERTEKLIGHTWAVE LOGIC, INC., a North Carolina Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, (“Purchase Agreement”), by and between POKERTEKXSUNX, INC., a North Carolina Colorado corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, 2013, (“Purchase Agreement”), by and between POKERTEK, INCANAVEX LIFE SCIENCES CORP., a North Carolina Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________May , 2012, (“Purchase Agreement”), by and between POKERTEKLEGEND OIL AND GAS, INCLTD., a North Carolina Colorado corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of _________, (“Purchase Agreement”), by and between POKERTEK, INCRAPTOR PHARMACEUTICAL CORP., a North Carolina Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(e) of that certain Amended and Restated Purchase Agreement dated as of October _________, 2011, (“Purchase Agreement”), by and between POKERTEKVALLEY FORGE COMPOSITE TECHNOLOGIES, INC., a North Carolina Florida corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ___________, ______________ of the Company, hereby certifies as follows: