Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F3,F4	Sep 9, 2015	P	51,693	$7.762	A	51,693	I	See Footnotes
Common Stock^F2,F3,F4	Sep 9, 2015	P	628	$7.762	A	52,321	I	See Footnotes
Common Stock^F1,F3,F4	Sep 10, 2015	P	71,813	$7.7258	A	124,134	I	See Footnotes
Common Stock^F2,F3,F4	Sep 10, 2015	P	872	$7.7258	A	125,006	I	See Footnotes
Common Stock^F1,F3,F4	Sep 11, 2015	P	55,123	$7.7013	A	180,129	I	See Footnotes
Common Stock^F2,F3,F4	Sep 11, 2015	P	670	$7.7013	A	180,799	I	See Footnotes
Common Stock^F1,F3,F4	Sep 14, 2015	P	41,892	$7.7962	A	222,691	I	See Footnotes
Common Stock^F2,F3,F4	Sep 14, 2015	P	509	$7.7962	A	223,200	I	See Footnotes
Common Stock^F1,F3,F4	Sep 15, 2015	P	149,419	$7.7957	A	372,619	I	See Footnotes
Common Stock^F2,F3,F4	Sep 15, 2015	P	1,815	$7.7957	A	374,434	I	See Footnotes
Common Stock^F1,F3,F4	Sep 17, 2015	P	14,457	$7.80	A	388,891	I	See Footnotes
Common Stock^F2,F3,F4	Sep 17, 2015	P	176	$7.80	A	389,067	I	See Footnotes
Common Stock^F1,F3,F4	Sep 18, 2015	P	236,685	$7.798	A	625,752	I	See Footnotes
Common Stock^F2,F3,F4	Sep 18, 2015	P	2,875	$7.798	A	628,627	I	See Footnotes
Common Stock^F1,F3,F4	Sep 21, 2015	P	136,179	$7.77	A	764,806	I	See Footnotes
Common Stock^F2,F3,F4	Sep 21, 2015	P	1,654	$7.77	A	766,460	I	See Footnotes
Common Stock^F1,F3,F4	Sep 22, 2015	P	103,244	$7.7472	A	869,704	I	See Footnotes
Common Stock^F2,F3,F4	Sep 22, 2015	P	1,254	$7.7472	A	870,958	I	See Footnotes
Common Stock^F1,F3,F4	Sep 23, 2015	P	98,899	$7.7518	A	969,857	I	See Footnotes
Common Stock^F2,F3,F4	Sep 23, 2015	P	1,201	$7.7518	A	971,058	I	See Footnotes
Common Stock^F1,F3,F4	Sep 24, 2015	P	89,919	$7.5873	A	1,060,977	I	See Footnotes
Common Stock^F2,F3,F4	Sep 24, 2015	P	1,092	$7.5873	A	1,062,069	I	See Footnotes
Common Stock^F1,F3,F4	Sep 25, 2015	P	98,800	$7.562	A	1,160,869	I	See Footnotes
Common Stock^F2,F3,F4	Sep 25, 2015	P	1,200	$7.562	A	1,162,069	I	See Footnotes
Common Stock^F1,F3,F4	Sep 28, 2015	P	6,394	$7.1918	A	1,168,463	I	See Footnotes
Common Stock^F2,F3,F4	Sep 28, 2015	P	78	$7.1918	A	1,168,541	I	See Footnotes
Common Stock^F1,F3,F4	Sep 29, 2015	P	58,424	$7.1728	A	1,226,965	I	See Footnotes
Common Stock^F2,F3,F4	Sep 29, 2015	P	710	$7.1728	A	1,227,675	I	See Footnotes
Common Stock^F1,F3,F4	Sep 30, 2015	P	49,400	$7.1969	A	1,277,075	I	See Footnotes
Common Stock^F2,F3,F4	Sep 30, 2015	P	600	$7.1969	A	1,277,675	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Directly owned by Vector Capital IV, L.P. ("VC IV").
F2Directly owned by Vector Entrepreneur Fund III, L.P. ("VEF III").
F3Vector Capital Partners IV, L.P. ("VCP IV") is the sole General Partner of VC IV. Vector Capital Partners III, L.P. ("VCP III") is the sole General Partner of VEF III. Vector Capital, L.L.C. ("VC", and together with VC IV, VCP IV, VEF III and VCP III, "Vector") is a General Partner of both VCP III and VCP IV. The principal employment of Mr. Slusky is the Managing Director and Chief Investment Officer of Vector Capital Management, L.P., a Delaware limited partnership, which is principally engaged in the business of managing a portfolio of funds, including Vector. Mr. Slusky disclaims beneficial ownership of securities held by any other entity except to the extent of any indirect pecuniary interest (within the meaning of Rule 16a-1 of the Exchange Act).
F4This transaction is not new or revised. It is being reported again to gain access to the system to add Vector Entrepreneur Fund III, L.P., Vector Capital Partners IV, L.P., Vector Capital Partners III, L.P., and Vector Capital, L.L.C. as Reporting Parties for all the transactions previously disclosed in the original Form 4 filed on November 17, 2015.

Remarks

Form 1 of 2 See Exhibit 99.1 Joint Filer Information. The Date of Earliest Transaction Required to Be Reported in Exhibit 99.1, Joint Filer Information, has been amended to September 9, 2015. Vector Entrepreneur Fund III, L.P., Vector Capital Partners IV, L.P., Vector Capital Partners III, L.P., and Vector Capital, L.L.C. have also been added as Joint Filers.