Limestone Bancorp (LMST) SC 13D Porter Bancorp / PATRIOT FINANCIAL PARTNERS ownership change

EXHIBIT 1

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 Schedule 13D to which this Joint Filing Agreement is being filed as an exhibit shall be a joint statement filed on behalf of each of the undersigned.

Date:    July 12, 2010
	PATRIOT FINANCIAL PARTNERS, L.P.
	By:	/s/ W. Kirk Wycoff
		W. Kirk Wycoff, a member of Patriot Financial Partners GP, LLC, the general partner of Patriot Financial Partners GP, L.P., the general partner of Patriot Financial Partners, L.P.

PATRIOT FINANCIAL PARTNERS PARALLEL, L.P.
By:	/s/ W. Kirk Wycoff
	W. Kirk Wycoff, a member of Patriot Financial Partners GP, LLC, the general partner of Patriot Financial Partners GP, L.P., the general partner of Patriot Financial Partners, L.P.

PATRIOT FINANCIAL PARTNERS GP, L.P.
By:	/s/ W. Kirk Wycoff
	W. Kirk Wycoff, a member of Patriot Financial Partners GP, LLC, the general partner of Patriot Financial Partners GP, L.P., the general partner of Patriot Financial Partners, L.P.

PATRIOT FINANCIAL PARTNERS GP, LLC
By:	/s/ W. Kirk Wycoff
	W. Kirk Wycoff, a member

/s/ W. Kirk Wycoff                                                                        

W. Kirk Wycoff

/s/ Ira M. Lubert                                                                        

Ira M. Lubert

/s/ James J. Lynch                                                                        

James J. Lynch