ARROGENE NANOTECHNOLOGY, INC.

5777 West Century Blvd # 360B

Los Angeles, CA  90045

SRKP 16, INC.

4737 North Ocean Drive, Suite 207

Lauderdale by the Sea, FL 33308

GVC CAPITAL LLC

5350 S. Roslyn Street, Suite 400

Greenwood Village, CO 80111

WESTPARK CAPITAL, INC.

1900 Avenue of the Stars, Suite 310

Los Angeles, CA 90067

STEELE STREET BANK & TRUST

55 Adams Street

Denver, CO 80206

 

AMENDMENT NO. 2

Dated October 31, 2011

to

ESCROW AGREEMENT

Dated July 18, 2011

The Escrow Agreement dated July 18, 2011, among Arrogene NanoTechnology, Inc.
(“Arrogene”), SRKP 16, Inc. (“SRKP”), GVC Capital LLC (“GVC”), and WestPark
Capital, Inc. (“WestPark”) is amended as follows:

1.

The “Collection Date” is December 15, 2011.

4.

The “Escrow Termination Date” shall be the first to occur of the following:

(i)

December 15, 2011; or

(ii)

The date the Escrow Agent receives a mutual written agreement of Arrogene, SRKP,
GVC, and WestPark to terminate the Escrow.

IN WITNESS WHEREOF, the parties have caused this Amendment to be duly executed
as of the date and year first above written.

THE COMPANIES:

Arrogene NanoTechnology, Inc.

By:

/s/ Maurizio Vecchione

         Maurizio Vecchione

         CEO

SRKP 16, INC

By:

/s/ Richard Rappaport

Richard Rappaport

President

--------------------------------------------------------------------------------

THE PLACEMENT AGENTS:

GVC Capital LLC

By: __/s/ Vicki D. E. Barone_____

Vicki D. E. Barone

Senior Managing Partner

 

WestPark Capital, Inc.

By:

/s/ Richard Rappaport

Richard Rappaport

CEO

THE ESCROW AGENT:

Steele Street Bank & Trust

By:

/s/ Geoffrey M. Long____

           Geoffrey M. Long

           Vice President