EX-99.1 2 c10254exv99w1.htm EXHIBIT A

Exhibit A

Exhibit A

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that the attached Schedule 13D is being filed on behalf of each of the undersigned.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

EXECUTED this 7^th day of January, 2011.

LACUNA VENTURE FUND LLLP

By: Lacuna Ventures GP LLLP, its general partner

By: Lacuna, LLC, its general partner

	By:	/s/ Wink Jones
		Wink Jones, Managing Director

LACUNA VENTURES GP LLLP

By: Lacuna, LLC, its general partner

	By:	/s/ Wink Jones
		Wink Jones, Managing Director

LACUNA HEDGE FUND LLLP

By: Lacuna Hedge GP LLLP, its general partner

By: Lacuna, LLC, its general partner

	By:	/s/ Wink Jones
		Wink Jones, Managing Director

LACUNA HEDGE GP LLLP

By: Lacuna, LLC, its general partner

	By:	/s/ Wink Jones
		Wink Jones, Managing Director

LACUNA, LLC

	By:	/s/ Wink Jones
		Wink Jones, Managing Director