X0304 4 2012-03-01 0 0001324410 Guaranty Bancorp GBNK 0001197257 EGGEMEYER JOHN M III 1331 17TH STREET, STE. 345 DENVER CO 80202 1 0 0 0 Voting Common Stock 2012-03-01 4 P 0 26835 1.6314 A 7114245 I By Castle Creek Capital Partners IV, LP Voting Common Stock 2012-03-05 4 P 0 9278 1.6497 A 7123523 I By Castle Creek Capital Partners IV, LP Voting Common Stock 276120 D Voting Common Stock 365711 I By Self as Trustee of the Eggemeyer Family Trust Non-Voting Common Stock 5095000 I By Castle Creek Capital Partners IV, LP Castle Creek Capital IV LLC is the sole general partner of Fund IV. Accordingly, securities owned by Fund IV may be regarded as being beneficially owned by Castle Creek Capital IV LLC. John M. Eggemeyer is a controlling person of Castle Creek Capital IV LLC. Accordingly, securities owned or deemed to be owned by Castle Creek Capital IV LLC may be regarded as being beneficially owned by Mr. Eggemeyer. Mr. Eggemeyer disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that he is a beneficial owner of such securities for the purposes of Section 16. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.59 to $1.65, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.64 to $1.65, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. By: /s/ Zsolt K. Bessko for: John M. Eggemeyer 2012-03-05