EXHIBIT A Agreement of Joint Filing

CUSIP No. 000000000 Page 14 of 15

EXHIBIT A

Agreement of Joint Filing

The undersigned hereby agree that a single Schedule 13D (or any amendment thereto) relating to the Common Stock of Alimera Sciences, Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13D.

Date: October 11, 2012

SOFINNOVA VENTURE PARTNERS VIII, L.P.,
a Delaware Limited Partnership
By:		SOFINNOVA MANAGEMENT VIII, L.L.C.,
		a Delaware Limited Liability Company
		Its General Partner
By:		/s/ Xxxxxxxx Xxxxx
		Xxxxxxxx Xxxxx
		Attorney-in-Fact
SOFINNOVA MANAGEMENT VIII, L.L.C., a Delaware Limited Liability Company
By:		/s/ Xxxxxxxx Xxxxx
		Xxxxxxxx Xxxxx
		Attorney-in-Fact
XX. XXXXX X. XXXXX
XX. XXXXXXX X. XXXXXX
DR. XXXXXXX XXXX
By:		/s/ Xxxxxxxx Xxxxx
		Xxxxxxxx Xxxxx
		Attorney-in-Fact